Self Studies

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  • Question 1
    1 / -0

    Directions For Questions

    The  following  passage  explains  the  challenges
    facing a  population  of  trees  and  possible  solutions.

    Today, oaks are  plagued  with problems. There  is 
    lack  of  regeneration  in  populations  of  certain  spe-
    cies.  4.010  such  as  the  acorn  weevil  and  the  filbert 
    tne  worm  eat  away  at  acorns  and  prevent  
    germination.By  undermining  the  root  systems  of  
    seedlings  andsaplings,  ground  squirrels,  gophers,  
    and  other  small mammals  often  prevent  these  
    young  plants  fromreaching  tree  size.  Severe 
    diseases such  as  suddenoak  death,  kill  many  adult  
    oaks.  Many  mature  oaks are  having  a  tough  time  
    withesuppression.  Inthe  past,  with  light  surface  fires,  
    the  oaks  had  been able  to  maintain  a  stronghold  
    where  other  plantswere  not  able  to  compete  and  
    died  out.  Now  oaks are  being  toppled  by  trees  that  
    have  a  higher  toler-ance  for  shade  and  are  not  
    fire-resistant;  earliersuch  trees  would  have  been  
    killed  when  Native Americans  set  fires.Given  all  of  
    these  challenges,  the  "old-growth" oaksthe  large  
    old  valley  oaks,  Garry  oaks,  coast live  oaks,  and  
    canyon  live  oaks  that  have  huge  girthand  large  
    canopiesmay  become  a  thing  of  the past.  These  
    oaks  in  particular  are  important  becausethere  are  
    often  more  terrestrial  vertebrates  living in  mature  
    oak  stands  than  in  seedling  and  sapling areas.  This  
    prevalence  of  animals  occurs  becausethe  large  
    crowns  of  such  oaks  provide  cover  and feeding  
    sites  for  a  large  variety  of  wildlife.The  University  of  
    California  has  embarked  on  an ambitious  and  
    necessary  research  program  calledthe  Integrated  
    Hardwood  Range  ManagementProgram  to  explore  
    the  significant  causes  of  oak decline  and  offer  
    varied solutions. These  includeinvestigating  the  use  
    of  grassing  regimes  that  are compatible  with  oak  
    seedling  establishment  reveg-etating  sites  with  
    native  grasses  to  facilitate  bettergermination  of  oak  
    seedling&  documenting  insectsand  pathogens  that  
    attack  oaks,  and  exploring  the ways  that  native  
    people  managed  oaks  in  the  past. Scientists  at  the  
    Pacific  Northwest  Research  Stationin  Olympia,  
    Washington,  and  at  Redwood  NationalPark  in  
    northern  California  are  reintroducing  theburning  
    practices  of  Native  American&  When used  in  Garry  
    oak  ecosystems,  fires  keep  Douglas firs  from  
    encroaching  on  the  oaks  and  promotethe  growth  of  
    wildflowers  that  are  important  foodplants.  Further  
    investigations  about  these  firepractices  may  be  
    essential  in  figuring  out  how  to maintain  oaks  in  the  
    western  landscape  today,  given that  the  fires  
    address  many  of  the  factors  that  arenow  causing  
    oak  declinefrom  how  to  eliminateinsect  pests  of  
    acorns  to  how  to  maintain  an  openstructure  in  oak  
    groves.Ecological  restoration,  the  traditional  
    approach to  woodland  maintenance,  refers  to  
    humansintervening  on  a  very  limited  time  scale  to  
    bringback  plants  and  animals  known  to  have  
    historicallyexisted  in  an  area.  The  decline  of  oaks,  
    one  of  the most  significant  plants  to  Native  
    Americans,  shows us  that  humans  may  play  an  
    integral  part  in  therestoration  of  oak  areas.  While  
    animals  such  as  jayshave  been  recognized  as  
    crucial  partners  in  oakwell-being,  human  actions  
    through  the  eons  may also  have  been  key  to  the  
    oaks'  flourishing.Sudden  oak  death,  for  example,  
    although  ofexotic  origin,  may  be  curtailed  locally  by  
    thinningaround  coastal  oaks  and  tan  oaks  and  
    setting  lightsurface  fires,  simulating  ancient  fire  
    managementpractices  of  Native  Americans.  
    Indigenous  shrubs and  trees  that  grow  in  
    association  with  oaksare  hosts  to  the  sudden  oak  
    death  pathogen.  Bylimiting  the  growth  of  these  
    shrubs,  burning  thatmimics  earlier  Native  American  
    ways  may  reduce opportunities  for  disease  agents  
    to  jump  fromother  plants  to  oak  trees.  With  a  more  
    open  envi-ronment,  it  may  be  harder  for  sudden  
    oak  death  tospread.The  oak  landscapes  that  we  
    inherited,  which still  bear  the  marks  of  former  
    Native  Americaninteractions,  demand  a  new  kind  of  
    restoration  thatcomplements  other  forms  of  
    ecological  restoration.This  new  kind  of  restoration  
    could  be  called  eth-nobotanical  restoration,  defined  
    as  re-establishing the  historic  plant  communities  of  a  
    given  areaand  restoring  indigenous  harvesting,  
    vegetationmanagement,  and  cultivation  practices  
    (seedbear-ing,  burning,  pruning,  sowing,  tilling,  and  
    weeding)necessary  to  maintain  these  communities  in  
    the long  term.Thus,  this  kind  of  restoration  is  not  
    only  aboutrestoring  plants,  but  also  about  restoring  
    the  humanplace  within  nature.  Ethnobotanical  
    restoration  isviewed  not  as  a  process  that  can  be  
    completed,  but rather  as  a  continuous  interaction  
    between  people and  plants,  as  both  of  their  fates  
    are  intertwined  ina  region.  Using  oaks  (through  
    harvesting  acornsand  making  products  from  all  parts  
    of  the  tree)  andhuman  intervention  (by  thinning  tree  
    populations and  lighting  light  fires)  may  offer  us  
    ways  to  benefi-cially  co-exist  while  improving  the  
    long-term  healthand  well-being  of  the  remarkable  
    oak. 

    ...view full instructions

    According  to  the  passage,  an  important distinction  between "ecological  restoraion"  in  line  53  and  "ethnobotanical  restoration"  in  lines  81-82  is  that  the  latter

  • Question 2
    1 / -0

    Directions For Questions

    Of the many forms poetry can take, triolet, ballad, ode,
    and epigram, to name a few, none is quite as
    briefly as the Japanese haiku.
    With a $$2$$ complex history and a challenging structure, the
    haiku is as popular as it is difficult to master. Composed of only three
    lines and $$17$$ or fewer syllables, haiku have been written by some of the
    world's most prominent poets.
    3 $$[1]$$ Pre-Buddhist and early Shinto ceremonies included
    narrative poems called "uta", or songs. $$[2]$$ These songs were written
    about common activities like planting and prayer. $$[3]$$ The most popular
    "uta" were "waka", or songs featuring $$31$$ syllables broken into five
    different lines. $$[4]$$ Later, the "waka" format was distilled into the $$5-7-5-7-7$$
    syllables-per-line format that is still used and recognized today.
    $$[5]$$ During the same time period, writers played word games. $$[6]$$ The
    syllabic $$5-7-5-7-7$$ structure would remain throughout the work, adhering
    to the guidelines used in ceremonies and royal court proceedings.
    $$[7]$$ They would compose lines of poetry, alternating turns, until long
    strings of text called "renga were created. $$[8]$$ It was not until the $$15th$$
    and $$16th$$ centuries that writers of "renga" broke with tradition and
    shortened the form, writing "hokku," meaning "first verse". $$[9]$$ $$4$$ This
    name changed into "haiku" over time.
    $$5$$
    $$6$$ Previously, hokku master Matsunaga Teitoku begain teaching
    renga in an attempt to ignite a classical renaissance. He founded a
    writing school where he taught Matsuo Basho, who is now known as
    one of Japan's most famous writers. Basho traveled throughout Japan
    writing about nature and his travels.
    It is through Basho's many poems that $$7$$ haiku came to be known
    as being pretty tied up with
    nature and the seasons. $$8$$ Basho influenced
    many students of verse over the course of his lifetime, and was declared
    the saint of the haiku in the Shinto religion.
    It was not until $$1827$$ that the hokku was renamed haiku by
    Masaoka Shiki. $$9$$ Shiki was a poet, and he most famously shrank the structure of the
    haiku to its current format of $$5-7-5.
    His work $$10$$ helped
    western writers like e.e.cummings and Ezra Pound, but haiku did not
    become the easily recognizable, popular type of poetry that it is today
    until writers like Allen Ginsberg and Jack Kerouac popularized it.
    These writers were taken by $$11$$ the brevity of the form, but it provided
    them a new, challenging form of expression while enabling them
    to share full ideas in such a short form. Both Japanses and American
    poets continue to use the structures to create snapshots of beauty and calm.

    ...view full instructions

    $$2$$

  • Question 3
    1 / -0

    Directions For Questions

    Of the many forms poetry can take, triolet, ballad, ode,
    and epigram, to name a few, none is quite as
    briefly as the Japanese haiku.
    With a $$2$$ complex history and a challenging structure, the
    haiku is as popular as it is difficult to master. Composed of only three
    lines and $$17$$ or fewer syllables, haiku have been written by some of the
    world's most prominent poets.
    3 $$[1]$$ Pre-Buddhist and early Shinto ceremonies included
    narrative poems called "uta", or songs. $$[2]$$ These songs were written
    about common activities like planting and prayer. $$[3]$$ The most popular
    "uta" were "waka", or songs featuring $$31$$ syllables broken into five
    different lines. $$[4]$$ Later, the "waka" format was distilled into the $$5-7-5-7-7$$
    syllables-per-line format that is still used and recognized today.
    $$[5]$$ During the same time period, writers played word games. $$[6]$$ The
    syllabic $$5-7-5-7-7$$ structure would remain throughout the work, adhering
    to the guidelines used in ceremonies and royal court proceedings.
    $$[7]$$ They would compose lines of poetry, alternating turns, until long
    strings of text called "renga were created. $$[8]$$ It was not until the $$15th$$
    and $$16th$$ centuries that writers of "renga" broke with tradition and
    shortened the form, writing "hokku," meaning "first verse". $$[9]$$ $$4$$ This
    name changed into "haiku" over time.
    $$5$$
    $$6$$ Previously, hokku master Matsunaga Teitoku begain teaching
    renga in an attempt to ignite a classical renaissance. He founded a
    writing school where he taught Matsuo Basho, who is now known as
    one of Japan's most famous writers. Basho traveled throughout Japan
    writing about nature and his travels.
    It is through Basho's many poems that $$7$$ haiku came to be known
    as being pretty tied up with
    nature and the seasons. $$8$$ Basho influenced
    many students of verse over the course of his lifetime, and was declared
    the saint of the haiku in the Shinto religion.
    It was not until $$1827$$ that the hokku was renamed haiku by
    Masaoka Shiki. $$9$$ Shiki was a poet, and he most famously shrank the structure of the
    haiku to its current format of $$5-7-5.
    His work $$10$$ helped
    western writers like e.e.cummings and Ezra Pound, but haiku did not
    become the easily recognizable, popular type of poetry that it is today
    until writers like Allen Ginsberg and Jack Kerouac popularized it.
    These writers were taken by $$11$$ the brevity of the form, but it provided
    them a new, challenging form of expression while enabling them
    to share full ideas in such a short form. Both Japanses and American
    poets continue to use the structures to create snapshots of beauty and calm.

    ...view full instructions

     1 

  • Question 4
    1 / -0

    Directions For Questions

    Of the many forms poetry can take, triolet, ballad, ode,
    and epigram, to name a few, none is quite as
    briefly as the Japanese haiku.
    With a $$2$$ complex history and a challenging structure, the
    haiku is as popular as it is difficult to master. Composed of only three
    lines and $$17$$ or fewer syllables, haiku have been written by some of the
    world's most prominent poets.
    3 $$[1]$$ Pre-Buddhist and early Shinto ceremonies included
    narrative poems called "uta", or songs. $$[2]$$ These songs were written
    about common activities like planting and prayer. $$[3]$$ The most popular
    "uta" were "waka", or songs featuring $$31$$ syllables broken into five
    different lines. $$[4]$$ Later, the "waka" format was distilled into the $$5-7-5-7-7$$
    syllables-per-line format that is still used and recognized today.
    $$[5]$$ During the same time period, writers played word games. $$[6]$$ The
    syllabic $$5-7-5-7-7$$ structure would remain throughout the work, adhering
    to the guidelines used in ceremonies and royal court proceedings.
    $$[7]$$ They would compose lines of poetry, alternating turns, until long
    strings of text called "renga were created. $$[8]$$ It was not until the $$15th$$
    and $$16th$$ centuries that writers of "renga" broke with tradition and
    shortened the form, writing "hokku," meaning "first verse". $$[9]$$ $$4$$ This
    name changed into "haiku" over time.
    $$5$$
    $$6$$ Previously, hokku master Matsunaga Teitoku begain teaching
    renga in an attempt to ignite a classical renaissance. He founded a
    writing school where he taught Matsuo Basho, who is now known as
    one of Japan's most famous writers. Basho traveled throughout Japan
    writing about nature and his travels.
    It is through Basho's many poems that $$7$$ haiku came to be known
    as being pretty tied up with
    nature and the seasons. $$8$$ Basho influenced
    many students of verse over the course of his lifetime, and was declared
    the saint of the haiku in the Shinto religion.
    It was not until $$1827$$ that the hokku was renamed haiku by
    Masaoka Shiki. $$9$$ Shiki was a poet, and he most famously shrank the structure of the
    haiku to its current format of $$5-7-5.
    His work $$10$$ helped
    western writers like e.e.cummings and Ezra Pound, but haiku did not
    become the easily recognizable, popular type of poetry that it is today
    until writers like Allen Ginsberg and Jack Kerouac popularized it.
    These writers were taken by $$11$$ the brevity of the form, but it provided
    them a new, challenging form of expression while enabling them
    to share full ideas in such a short form. Both Japanses and American
    poets continue to use the structures to create snapshots of beauty and calm.

    ...view full instructions

    For the sake of the cohesion of this paragraph, sentence $$7$$ should be placed

  • Question 5
    1 / -0

    Directions For Questions

    Of the many forms poetry can take, triolet, ballad, ode,
    and epigram, to name a few, none is quite as
    briefly as the Japanese haiku.
    With a $$2$$ complex history and a challenging structure, the
    haiku is as popular as it is difficult to master. Composed of only three
    lines and $$17$$ or fewer syllables, haiku have been written by some of the
    world's most prominent poets.
    3 $$[1]$$ Pre-Buddhist and early Shinto ceremonies included
    narrative poems called "uta", or songs. $$[2]$$ These songs were written
    about common activities like planting and prayer. $$[3]$$ The most popular
    "uta" were "waka", or songs featuring $$31$$ syllables broken into five
    different lines. $$[4]$$ Later, the "waka" format was distilled into the $$5-7-5-7-7$$
    syllables-per-line format that is still used and recognized today.
    $$[5]$$ During the same time period, writers played word games. $$[6]$$ The
    syllabic $$5-7-5-7-7$$ structure would remain throughout the work, adhering
    to the guidelines used in ceremonies and royal court proceedings.
    $$[7]$$ They would compose lines of poetry, alternating turns, until long
    strings of text called "renga were created. $$[8]$$ It was not until the $$15th$$
    and $$16th$$ centuries that writers of "renga" broke with tradition and
    shortened the form, writing "hokku," meaning "first verse". $$[9]$$ $$4$$ This
    name changed into "haiku" over time.
    $$5$$
    $$6$$ Previously, hokku master Matsunaga Teitoku begain teaching
    renga in an attempt to ignite a classical renaissance. He founded a
    writing school where he taught Matsuo Basho, who is now known as
    one of Japan's most famous writers. Basho traveled throughout Japan
    writing about nature and his travels.
    It is through Basho's many poems that $$7$$ haiku came to be known
    as being pretty tied up with
    nature and the seasons. $$8$$ Basho influenced
    many students of verse over the course of his lifetime, and was declared
    the saint of the haiku in the Shinto religion.
    It was not until $$1827$$ that the hokku was renamed haiku by
    Masaoka Shiki. $$9$$ Shiki was a poet, and he most famously shrank the structure of the
    haiku to its current format of $$5-7-5.
    His work $$10$$ helped
    western writers like e.e.cummings and Ezra Pound, but haiku did not
    become the easily recognizable, popular type of poetry that it is today
    until writers like Allen Ginsberg and Jack Kerouac popularized it.
    These writers were taken by $$11$$ the brevity of the form, but it provided
    them a new, challenging form of expression while enabling them
    to share full ideas in such a short form. Both Japanses and American
    poets continue to use the structures to create snapshots of beauty and calm.

    ...view full instructions

    Which sentence, if added here, would provide the best support for this paragraph?

  • Question 6
    1 / -0

    Directions For Questions

    The following passage is adapted from a novel set in the early twentieth century. Mr. Beebe, a clergyman, is speaking with Cecil Vyse about a mutual acquaintance, Lucy Honey church. Miss Honey church has recently returned from a journey with her older cousin and chaperone, Miss Bartlett.
    Lucy Honey church has no faults, said Cecil, with grave sincerity. I quite agree. At present she has none. 
    At present?
    Im not cynical. Im only thinking of my pet theory about Miss Honeychurch. Does it seem reasonable that she should play piano so wonderfully, and live so quietly? I suspect that someday she shall be wonderful in both. The water-tight compartments in her will break down and music and life will mingle. Then we shall have her heroically good, heroically badtoo heroic, perhaps, to be good or bad. Cecil found his companion interesting. And at present you think her not wonderful as far as life goes? Well, I must say Ive only seen her at Tunbridge Wells, where she was not wonderful, and at Florence. She wasnt wonderful in Florence either, but I kept on expecting that she would be.  
    In what way?
    Conversation had become agreeable to them, and they were pacing up and down the terrace. I could as easily tell you what tune shell play next. There was simply the sense that she found wings and meant to use them. I can show you a beautiful picture in my diary. Miss Honey church as a kite, Miss Bartlett holding the string. Picture number two: the string breaks. The sketch was in his diary, but it had been made afterwards, when he viewed things artistically. At the time he had given surreptitious tugs to the string himself. 
    But the string never broke? No. I mightnt have seen Miss Honeychurch rise, but I should certainly have heard Miss Bartlett fall. It has broken now, said the young man in low, vibrating tones. Immediately he realized that of all the conceited, ludicrous, contemptible ways of announcing an engagement this was the worst. He cursed his love of metaphor; had he suggested that he was a star and that Lucy was soaring up to reach him?
    Broken? What do you mean? 
    I meant, Cecil said stiffly, that she is going to marry me. 
    The clergyman was conscious of some bitter disappointment which he could not keep out of his voice. 
    I am sorry; I must apologize. I had no idea you were intimate with her, or I should never have talked in this flippant, superficial way. You ought to have stopped me. And down in the garden he saw Lucy herself; yes, he was disappointed. 
    Cecil, who naturally preferred congratulations to apologies, drew down the corner of his mouth. Was this the reaction his action would get from the whole world? Of course, he despised the world as a whole; every thoughtful man should; it is almost a test of refinement. 
     Im sorry I have given you a shock, he said dryly. I fear that Lucys choice does not meet with your approval.

    ...view full instructions

    The question in lines 39-40 (had . . . him ) suggests that Cecil fears that Mr. Beebe will.

  • Question 7
    1 / -0

    Directions For Questions

    The following passage is adapted from a novel set in the early twentieth century. Mr. Beebe, a clergyman, is speaking with Cecil Vyse about a mutual acquaintance, Lucy Honey church. Miss Honey church has recently returned from a journey with her older cousin and chaperone, Miss Bartlett.
    Lucy Honey church has no faults, said Cecil, with grave sincerity. I quite agree. At present she has none. 
    At present?
    Im not cynical. Im only thinking of my pet theory about Miss Honeychurch. Does it seem reasonable that she should play piano so wonderfully, and live so quietly? I suspect that someday she shall be wonderful in both. The water-tight compartments in her will break down and music and life will mingle. Then we shall have her heroically good, heroically badtoo heroic, perhaps, to be good or bad. Cecil found his companion interesting. And at present you think her not wonderful as far as life goes? Well, I must say Ive only seen her at Tunbridge Wells, where she was not wonderful, and at Florence. She wasnt wonderful in Florence either, but I kept on expecting that she would be.  
    In what way?
    Conversation had become agreeable to them, and they were pacing up and down the terrace. I could as easily tell you what tune shell play next. There was simply the sense that she found wings and meant to use them. I can show you a beautiful picture in my diary. Miss Honey church as a kite, Miss Bartlett holding the string. Picture number two: the string breaks. The sketch was in his diary, but it had been made afterwards, when he viewed things artistically. At the time he had given surreptitious tugs to the string himself. 
    But the string never broke? No. I mightnt have seen Miss Honeychurch rise, but I should certainly have heard Miss Bartlett fall. It has broken now, said the young man in low, vibrating tones. Immediately he realized that of all the conceited, ludicrous, contemptible ways of announcing an engagement this was the worst. He cursed his love of metaphor; had he suggested that he was a star and that Lucy was soaring up to reach him?
    Broken? What do you mean? 
    I meant, Cecil said stiffly, that she is going to marry me. 
    The clergyman was conscious of some bitter disappointment which he could not keep out of his voice. 
    I am sorry; I must apologize. I had no idea you were intimate with her, or I should never have talked in this flippant, superficial way. You ought to have stopped me. And down in the garden he saw Lucy herself; yes, he was disappointed. 
    Cecil, who naturally preferred congratulations to apologies, drew down the corner of his mouth. Was this the reaction his action would get from the whole world? Of course, he despised the world as a whole; every thoughtful man should; it is almost a test of refinement. 
     Im sorry I have given you a shock, he said dryly. I fear that Lucys choice does not meet with your approval.

    ...view full instructions

    In line 24, sense most nearly means.

  • Question 8
    1 / -0

    Directions For Questions

    The following passage is adapted from a novel set in the early twentieth century. Mr. Beebe, a clergyman, is speaking with Cecil Vyse about a mutual acquaintance, Lucy Honey church. Miss Honey church has recently returned from a journey with her older cousin and chaperone, Miss Bartlett.
    Lucy Honey church has no faults, said Cecil, with grave sincerity. I quite agree. At present she has none. 
    At present?
    Im not cynical. Im only thinking of my pet theory about Miss Honeychurch. Does it seem reasonable that she should play piano so wonderfully, and live so quietly? I suspect that someday she shall be wonderful in both. The water-tight compartments in her will break down and music and life will mingle. Then we shall have her heroically good, heroically badtoo heroic, perhaps, to be good or bad. Cecil found his companion interesting. And at present you think her not wonderful as far as life goes? Well, I must say Ive only seen her at Tunbridge Wells, where she was not wonderful, and at Florence. She wasnt wonderful in Florence either, but I kept on expecting that she would be.  
    In what way?
    Conversation had become agreeable to them, and they were pacing up and down the terrace. I could as easily tell you what tune shell play next. There was simply the sense that she found wings and meant to use them. I can show you a beautiful picture in my diary. Miss Honey church as a kite, Miss Bartlett holding the string. Picture number two: the string breaks. The sketch was in his diary, but it had been made afterwards, when he viewed things artistically. At the time he had given surreptitious tugs to the string himself. 
    But the string never broke? No. I mightnt have seen Miss Honeychurch rise, but I should certainly have heard Miss Bartlett fall. It has broken now, said the young man in low, vibrating tones. Immediately he realized that of all the conceited, ludicrous, contemptible ways of announcing an engagement this was the worst. He cursed his love of metaphor; had he suggested that he was a star and that Lucy was soaring up to reach him?
    Broken? What do you mean? 
    I meant, Cecil said stiffly, that she is going to marry me. 
    The clergyman was conscious of some bitter disappointment which he could not keep out of his voice. 
    I am sorry; I must apologize. I had no idea you were intimate with her, or I should never have talked in this flippant, superficial way. You ought to have stopped me. And down in the garden he saw Lucy herself; yes, he was disappointed. 
    Cecil, who naturally preferred congratulations to apologies, drew down the corner of his mouth. Was this the reaction his action would get from the whole world? Of course, he despised the world as a whole; every thoughtful man should; it is almost a test of refinement. 
     Im sorry I have given you a shock, he said dryly. I fear that Lucys choice does not meet with your approval.

    ...view full instructions

    Mr. Beebes statement, The water-tight . . . bad (lines 9-11), suggests that Lucy will.

  • Question 9
    1 / -0

    Directions For Questions

    The following passage is adapted from a book published in 1999.
    Calling it a cover-up would be far too dramatic. But for more than half a centuryeven in the midst of some of the greatest scientific achievements in historyphysicists have been quietly aware of a dark cloud looming on a distant horizon. The problem is this: There are two foundational pillars upon which modern physics rests. One is general relativity, which provides a theoretical framework for understanding the universe on the largest of scales: stars, galaxies, clusters of galaxies, and beyond to the immense expanse of the universe itself. The other is quantum mechanics, which provides a theoretical framework for understanding the universe on the smallest of scales: molecules, atoms, and all the way down to subatomic particles like electrons and quarks. Through years of research, physicists have experimentally confirmed to almost unimaginable accuracy virtually all predictions made by each of these theories. But these same theoretical tools inexorably lead to another disturbing conclusion: As they are currently formulated, general relativity and quantum mechanics cannot both be right. The two theories underlying the tremendous progress of physics during the last hundred yearsprogress that has explained the expansion of the heavens and the fundamental structure of matterare mutually incompatible. 
       If you have not heard previously about this ferocious antagonism, you may be wondering why. The answer is not hard to come by. In all but the most extreme situations, physicists study things that are either small and light (like atoms and their constituents) or things that are huge and heavy (like stars and galaxies), but not both. This means that they need use only quantum mechanics or only general relativity and can, with a furtive glance, shrug off the barking admonition of the other. For 50 years this approach has not been quite as blissful as ignorance, but it has been pretty close.
          But the universe can be extreme. In the central depths of a black hole, an enormous mass is crushed to a minuscule size. According to the big bang theory, the whole of the universe erupted from a microscopic nugget whose size makes a grain of sand look colossal. These are realms that are tiny and yet incredibly massive, therefore requiring that both quantum mechanics and general relativity simultaneously be brought to bear. The equations of general relativity and quantum mechanics, when combined, begin to shake, rattle, and gush with steam like a decrepit automobile. Put less figuratively, well-posed physical questions elicit nonsensical answers from the unhappy amalgam of these two theories. Even if you are willing to keep the deep interior of a black hole and the beginning of the universe shrouded in mystery, you cant help feeling that the hostility between quantum mechanics and general relativity cries out for a deeper level of understanding. Can it really be that the universe at its most fundamental level is divided, requiring one set of laws when things are large and a different, incompatible set when things are small?
         Superstring theory, a young upstart compared with the venerable edifices of quantum mechanics and general relativity, answers with a resounding no. Intense research over the past decade by physicists and mathematicians around the world has revealed that this new approach to describing matter at its most fundamental level resolves the tension between general relativity and quantum mechanics. In fact, superstring theory shows more: within this new framework, general relativity and quantum mechanics require one another for the theory to make sense. According to superstring theory, the marriage of the laws of the large and the small is not only happy but inevitable. Superstring theory has the potential to show that all of the wondrous happenings in the universefrom the frantic dance of subatomic quarks to the stately waltz of orbiting binary starsare reflections of one grand physical principle, one master equation.

    ...view full instructions

    The dark cloud mentioned in line 4 refers to an.

  • Question 10
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    Directions For Questions

    The following two passages are from critical commentaries

    on "the Tramp," the comic character created by silent-film

    star Charlie Chaplin (1889-1977).

    Passage 1

    Before Charlie Chaplin came along, tramps and hoboes

    had long been a part of the cartoon and comic strip tradition,

    represented most prominently in England in 1896

    by Tom Browne's "Weary Willie and Tired Tim" and

    in the United States in 1900 by Frederick Burr Opper's

    "Happy Hooligan." But Chaplin was to bring a definitive

    genius to the tramp figure, raising it to heights of poetic

    and mythic power in his first year with the Keystone studios.

    That Chaplin had considered using the tramp figure earlier

    is suggested by the title of one of his childhood stage teams,

    "Bristol and Chaplin, the Millionaire Tramps.' But the

    tramp character was not fully realized until 1914, when

    Chaplin donned the baggy pants, the floppy shoes, the cane,

    the derby hat, and the little moustache for his second film.

    As Chaplin would later explain, "The moment I was dressed,

    the clothes and makeup made me feel the character. By the

    time I walked on stage 'the Tramp' was fully born." He

    would polish and revise the character through other film

    roles until 1915, when he was featured in his own two-reel

    film,The Tramp.

            In his own comments on the Tramp, Chaplin put his

    finger on many of the elements that made the characterization

    so powerful and universally relevant. As he said

    after introducing the character to his director, "this fellow

    is many-sided, a tramp, a gentleman, a poet, a dreamer, a

    lonely fellow, always hopeful of romance and adventure.

    He would have you believe he is a scientist, a musician, a

    duke,a polo player. However, he is not above picking up

    cigarette butts or robbing a baby of its candy." The Tramp,

    in other words, is a human being down and out on his luck

    and full of passion for life and hope that things will get

    better.He is imaginative and creative, and thus a romantic

    and an artist, who brings style to his meager existence and

    art to his struggle for survival. Yet when things become

    worse,he is willing to place practicality above sentiment

    and violate the usual social amenities. He is indeed complex

    and many-sided, thereby touching most human beings at

    one or more points in our character and makeup. There is a

    good deal in his nature that most of us identify with in our

    secret selves, apart from what we are in the public world

    we inhabit.

    Passage 2

           There is no doubt that Charlie Chaplin was a regu-

    lar reader of the most famous of the early comic strips,

    "Weary Willie and Tired Tim." Weary Willie and

    Tired Tim made their debut on the front of Illustrated

    Chips in 1896 when Chaplin was an energetic eight year

    old.In his book, My Autobiography, Chaplin only mentions

    his love of comics in passing, commenting that one of his

    rare pleasures was reading "my weekly comic on a serene

    Sunday morning."

            He was much more forthcoming---and revealing---

    in 1957 while talking to journalist Victor Thompson.

    Chaplin began reminiscing about his younger days--and

    one particular occasion when he had a short-lived job at

    a glass-blowing establishment in London.

          "In the lunch breaks, I used to entertain the men with

    sand dances," he told Thompson. "On one occasion I

    danced so furiously, I got sick and had to be sent home.

    I sat on the curb feeling I was dying. A woman gave me a

    penny to go home by horse-bus, but I walked and bought

    a comic with the windfall.

    "Ah,those comics, Chaplin went on, the wonderfully

    vulgar paper for boys with Casey Court pictures, and the

    'Adventures of Weary Willie and Tired Tim,' two famous

    tramps with the world against them. Theres been a lot said

    about how I evolved the little tramp character who made my

    name.Deep, psychological stuff has been written about

    how I meant him to be a symbol of all the class war, of

    the love-hate concept, the death-wish and what-all.

          "But if you want the simple Chaplin truth behind the

    Chaplin legend, I started the little tramp simply to make

    people laugh and because those other old tramps, Weary

    Willie and Tired Tim, had always made me laugh."

           If one glances through old copies of Illustrated Chips,

    it is possible to find similarities between the scrapes that

    Weary Willie and Tired Tim got into and those in some of

    Chaplin's films: even the titles of Chaplin's early movies

    seem derived from the adventures of the comic book heroes.

    And if further proof of the influence is needed, isn't the

    very appearance of the gaunt Weary Willie strikingly

    similar to that of Chaplin's Little Tramp?

    ...view full instructions

    In the concluding sentence of Passage 1, the authorsuggests that most people

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