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densities have grown. These regions are especially likely to have periods of
severe dryness, so that crop failures are common. Since the raising of most
crops necessitates the prior removal of the natural vegetation, crop failures
leave extensive tracts of land devoid of
a plant cover and susceptible to wind and water erosion.
5.
The word “progressively” in the
passage is closest in meaning to
○openly
○impressively
○objectively
○increasingly
6.
According to paragraph 6, which of the following is often associated with
raising crops?
○Lack of proper irrigation techniques
○Failure to plant crops suited to the particular area
○Removal of the original vegetation
○Excessive use of dried animal waste
7.
The phrase “devoid of” in the
passage is closest in meaning to
○consisting of
○hidden by
○except for
○lacking in
Paragraph
9: The final major human cause of desertification is soil salinization
resulting from overirrigation. Excess water from irrigation sinks down into the
water table. If no drainage system exists, the water table rises, bringing
dissolved salts to the surface. The water evaporates and the salts are left
behind, creating a white crustal layer that prevents air and water from
reaching the underlying soil.
8.
According to paragraph 9, the ground’s absorption of excess water is a factor
in desertification because it can
○interfere with the irrigation of land
○limit the evaporation of water
○require more absorption of air by the soil
○bring salts to the surface
9.
All of the following are mentioned in the passage as contributing to
desertification EXCEPT
○soil erosion
○global warming
○insufficient irrigation
○the raising of livestock
Paragraph
10: The extreme seriousness of
desertification results from the vast areas of land and the tremendous numbers
of people affected, as well as from the great difficulty of reversing or even
slowing the process. Once the soil has been removed by erosion, only
the passage of centuries or millennia will enable new soil to form. In areas
where considerable soil still remains, though, a rigorously enforced program of
land protection and cover-crop planting may make it possible to reverse the
present deterioration of the surface.
10.
Which of the sentences below best expresses the essential information in the highlighted sentence
in the passage? Incorrect choices change the meaning in important ways or leave
out essential information.
○Desertification is a significant problem because it is
so hard to reverse and affects large areas of land and great numbers of people.



25楼2012-09-21 20:31
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    关于desert formation的参考答案
    1.
    ○2
    This
    is a Vocabulary question. The word being tested is threatened. It is
    highlighted in the passage. To threaten means to speak or act as if you will
    cause harm to someone or something. The object of the threat is in danger of
    being hurt, so the correct answer is choice 2, "endangered."
    2. ○2
    This
    is a Factual Information question asking for specific information that can be
    found in paragraph 3. The correct answer is choice 2, reduced water absorption.
    The paragraph explicitly states that the reduction of vegetation greatly
    reduces water absorption. Choice 4, reduced water runoff, explicitly
    contradicts the paragraph, so it is incorrect. The "spaces in the
    soil" are mentioned in another context: the paragraph does not say that
    they increase, so choice 3 is incorrect. The paragraph does not mention choice
    1.
    3. ○1
    This
    is a Vocabulary question. The word being tested is delicate. It is highlighted
    in the passage. The correct answer is choice 1, "fragile," meaning
    "easily broken." Delicate has the same meaning as
    "fragile."
    4. ○1
    This
    is a Factual Information question asking for specific information that can be
    found in paragraph 5. The correct answer is choice 1: border areas have
    difficulty "adjusting to stresses created by settlement." The
    paragraph says that "expanding populations," or settlement, subject
    border areas to "pressures," or stress, that the land may not
    "be able to respond to." Choice 2 is incorrect because the paragraph
    does not discuss "fertility" after desertification. Choice 3 is also
    incorrect because "irrigation" is not mentioned here. The paragraph
    mentions "increasing populations" but not the difficulty of
    "attracting populations," so choice 4 is incorrect.
    5. ○4
    This
    is a Vocabulary question. The word being tested is progressively. It is highlighted in the passage. The correct answer
    is choice 4, "increasingly." Progressively as it is used here means
    "more," and "more" of something means that it is
    increasing.
    6. ○3
    This
    is a Factual Information question asking for specific information that can be
    found in paragraph 6. The correct answer is choice 3, "removal of the
    original vegetation." Sentence 4 of this paragraph says that "the
    raising of most crops necessitates the prior removal of the natural
    vegetation," an explicit statement of answer choice 3. Choice 1, lack of proper
    irrigation techniques, is incorrect because the paragraph mentions only
    "overirrigation" as a cause of desertification. No irrigation
    "techniques" are discussed. Choices 2 and 4, failure to plant
    suitable crops and use of animal waste, are not discussed.
    7. ○4
    This
    is a Vocabulary question. A phrase is being tested here, and all of the answer
    


    27楼2012-09-21 20:33
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      choices are phrases. The phrase is "devoid of." It is highlighted in
      the passage. "Devoid of' means "without," so the correct answer
      is choice 4, "lacking in." If you lack something that means you are
      without that thing.
      8. ○4
      This
      is a Factual Information question asking for specific information that can be
      found in paragraph 9. The correct answer is choice 4, "bring salts to the
      surface." The paragraph says that the final human cause of desertification
      is salinization resulting from overirrigation. The paragraph goes on to say
      that the overirrigation causes the water table to rise, bringing salts to the
      surface. There is no mention of the process "interfering" with or
      "limiting" irrigation, or of the "amount of air" the soil
      is required to absorb, so choices 1,2, and 3 are all incorrect.
      9. ○3
      This
      is a Negative Factual Information question asking for specific information that
      can be found in the passage. Choice 3, "insufficient irrigation," is
      the correct answer. Choice 1, "soil erosion," is explicitly mentioned
      in paragraph 2 as one of the primary causes of desertification, so it is not
      the correct answer. Choice 2, "global warning," is mentioned as a
      cause of desertification in paragraph 4, so it is incorrect. Choice 4,
      "raising of livestock," is described in paragraph 7 as another cause
      of desertification, so it is incorrect. The passage includes excessive
      irrigation as a cause of desertification, but not its opposite, insufficient
      irrigation, so that is the correct answer.
      10. ○1
      This
      is a Sentence Simplification question. As with all of these items, a single
      sentence in the passage is highlighted:
      The extreme seriousness of
      desertification results from the vast areas of land and the tremendous numbers
      of people affected, as well as from the great difficulty of reversing or even
      slowing the process.
      The
      correct answer is choice 1. That choice contains all of the essential information in the highlighted sentence and does not
      change its meaning. The only substantive difference between choice 1 and the
      tested sentence is the order in which he information is presented. Two clauses
      in the highlighted sentence, "The great difficulty of reversing the
      process" and "the numbers of people affected," have simply been reversed;
      no meaning has been changed, and no information has been removed. Choices 2,3,
      and 4 are all incorrect because they change the meaning of the highlighted
      sentence.
      11. ○3
      This
      is an Inference question asking for an inference that can be supported by the
      passage. The correct answer is choice 3; the passage suggests that the author
      believes "Desertification will continue to increase." The last
      paragraph of the passage says that slowing or reversing the erosion process
      will be very difficult, but that it may occur in those areas that are not too
      


      28楼2012-09-21 20:33
      回复
        前几天准备面试了没发= = = = =


        30楼2012-09-23 21:59
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          Early Cinema
          The
          cinema did not emerge as a form of mass consumption until its technology evolved
          from the initial "peepshow" format to the point where images were
          projected on a screen in a darkened theater. In the peepshow format, a film was
          viewed through a small opening in a machine that was created for that purpose.
          Thomas Edison's peepshow device, the Kinetoscope, was introduced to the public
          in 1894. It was designed for use in Kinetoscope parlors, or arcades, which
          contained only a few individual machines and permitted only one customer to
          view a short, 50-foot film at any one time. The first Kinetoscope parlors
          contained five machines. For the price of 25 cents (or 5 cents per machine),
          customers moved from machine to machine to watch five different films (or, in
          the case of famous prizefights, successive rounds of a single fight).
          These
          Kinetoscope arcades were modeled on phonograph parlors, which had proven
          successful for Edison several years earlier. In the phonograph parlors,
          customers listened to recordings through individual ear tubes, moving from one
          machine to the next to hear different recorded speeches or pieces of music. The
          Kinetoscope parlors functioned in a similar way. Edison was more interested in
          the sale of Kinetoscopes (for roughly $1,000 apiece) to these parlors than in
          the films that would be run in them (which cost approximately $10 to $15 each).
          He refused to develop projection technology, reasoning that if he made and sold
          projectors, then exhibitors would purchase only one machine-a projector-from
          him instead of several.
          Exhibitors,
          however, wanted to maximize their profits, which they could do more readily by
          projecting a handful of films to hundreds of customers at a time (rather than
          one at a time) and by charging 25 to 50 cents admission. About a year after the
          opening of the first Kinetoscope parlor in 1894, showmen such as Louis and
          Auguste Lumiere, Thomas Armat and Charles Francis Jenkins, and Orville and
          Woodville Latham (with the assistance of Edison's former assistant, William
          Dickson) perfected projection devices. These early projection devices were used
          in vaudeville theaters, legitimate theaters, local town halls, makeshift
          storefront theaters, fairgrounds, and amusement parks to show films to a mass
          audience.
          With
          the advent of projection in 1895-1896, motion pictures became the ultimate form
          of mass consumption. Previously, large audiences had viewed spectacles at the
          theater, where vaudeville, popular dramas, musical and minstrel shows,
          classical plays, lectures, and slide-and-lantern shows had been presented to
          several hundred spectators at a time. But the movies differed significantly
          from these other forms of entertainment, which depended on either live
          performance or (in the case of the slide-and-lantern shows) the active
          involvement of a master of ceremonies who assembled the final program.
          Although
          early exhibitors regularly accompanied movies with live acts, the substance of
          the movies themselves is mass-produced, prerecorded material that can easily be
          reproduced by theaters with little or no active participation by the exhibitor.
          Even though early exhibitors shaped their film programs by mixing films and
          other entertainments together in whichever way they thought would be most
          attractive to audiences or by accompanying them with lectures, their creative
          control remained limited. What audiences came to see was the technological
          marvel of the movies; the lifelike reproduction of the commonplace motion of
          trains, of waves striking the shore, and of people walking in the street; and
          the magic made possible by trick photography and the manipulation of the
          camera.
          With
          the advent of projection, the viewer's relationship with the image was no
          longer private, as it had been with earlier peepshow devices such as the
          Kinetoscope and the Mutoscope, which was a similar machine that reproduced
          motion by means of successive images on individual photographic cards instead
          of on strips of celluloid. It suddenly became public—an experience that the viewer shared
          with dozens, scores, and even hundreds of others. At the same time, the image
          that the spectator looked at expanded from the minuscule peepshow dimensions of
          1 or 2 inches (in height) to the life-size proportions of 6 or 9 feet.
          


          31楼2012-09-23 22:01
          回复

            Paragraph
            1: The cinema did not emerge as a form of mass consumption until its technology
            evolved from the initial "peepshow" format to the point where images
            were projected on a screen in a darkened theater. In the peepshow format, a
            film was viewed through a small opening in a machine that was created for that
            purpose. Thomas Edison's peepshow device, the Kinetoscope, was introduced to
            the public in 1894. It was designed for use in Kinetoscope parlors, or arcades,
            which contained only a few individual machines and permitted only one customer
            to view a short, 50-foot film at any one time. The first Kinetoscope parlors
            contained five machines. For the price of 25 cents (or 5 cents per machine),
            customers moved from machine to machine to watch five different films (or, in
            the case of famous prizefights, successive rounds of a single fight).
            1.
            According to paragraph 1, all of the following were true of viewing films in
            Kinetoscope parlors EXCEPT:
            ○One individual at a time viewed a film.
            ○Customers could view one film after another.
            ○Prizefights were the most popular subjects for films.
            ○Each film was short.
            Paragraph
            2: These Kinetoscope arcades were modeled on phonograph parlors, which
            had proven successful for Edison several years earlier. In the phonograph
            parlors, customers listened to recordings through individual ear tubes, moving
            from one machine to the next to hear different recorded speeches or pieces of
            music. The Kinetoscope parlors functioned in a similar way. Edison was more
            interested in the sale of Kinetoscopes (for roughly $1,000 apiece) to these
            parlors than in the films that would be run in them (which cost approximately
            $10 to $15 each). He refused to develop
            projection technology, reasoning that if he made and sold projectors, then
            exhibitors would purchase only one machine-a projector-from him instead of
            several.
            2.
            The author discusses phonograph parlors in paragraph 2 in order to
            ○explain Edison's financial success
            ○describe the model used to design Kinetoscope parlors
            ○contrast their popularity to that of Kinetoscope parlors
            ○illustrate how much more technologically advanced
            Kinetoscope parlors were
            3.
            Which of the sentences below best expresses the essential information in the highlighted sentence
            from the passage? Incorrect answer choices change the meaning in important ways
            or leave out essential information.
            ○Edison was more interested in developing a variety of
            machines than in developing a technology based on only one.
            ○Edison refused to work on projection technology because
            he did not think exhibitors would replace their projectors with newer machines.
            ○Edison did not want to develop projection technology
            because it limited the number of machines he could sell.
            


            32楼2012-09-23 22:02
            回复

              ○Edison would not develop projection technology unless
              exhibitors agreed to purchase more than one projector from him.
              Paragraph
              3: Exhibitors, however, wanted to maximize their profits, which they could do
              more readily by projecting a
              handful of films to hundreds of customers at a time (rather than one at a time)
              and by charging 25 to 50 cents admission. About a year after the opening of the
              first Kinetoscope parlor in 1894, showmen such as Louis and Auguste Lumiere,
              Thomas Armat and Charles Francis Jenkins, and Orville and Woodville Latham
              (with the assistance of Edison's
              former assistant, William Dickson) perfected projection devices. These early
              projection devices were used in vaudeville theaters, legitimate theaters, local
              town halls, makeshift storefront theaters, fairgrounds, and amusement parks to
              show films to a mass audience.
              4.
              The word “readily” in the passage
              is closest in meaning to
              ○frequently
              ○easily
              ○intelligently
              ○obviously
              5.
              The word “assistance” in
              the passage is closest in meaning to
              ○criticism
              ○leadership
              ○help
              ○approval
              Paragraph
              4: With the advent of projection in 1895-1896, motion pictures became the
              ultimate form of mass consumption. Previously, large audiences had viewed
              spectacles at the theater, where vaudeville, popular dramas, musical and
              minstrel shows, classical plays, lectures, and slide-and-lantern shows had been
              presented to several hundred spectators at a time. But the movies differed
              significantly from these other forms of entertainment, which depended on either
              live performance or (in the case of the slide-and-lantern shows) the active
              involvement of a master of ceremonies who assembled the final program.
              6.
              According to paragraph 4, how did the early movies differ from previous
              spectacles that were presented to large audiences?
              ○They were a more expensive form of entertainment.
              ○They were viewed by larger audiences.
              ○They were more educational.
              ○They did not require live entertainers.
              Paragraph
              5: Although early exhibitors regularly accompanied movies with live acts, the
              substance of the movies themselves is mass-produced, prerecorded material that
              can easily be reproduced by theaters with little or no active participation by
              the exhibitor. Even though early exhibitors shaped their film programs by
              mixing films and other entertainments together in whichever way they thought
              would be most attractive to audiences or by accompanying them with lectures,
              their creative control remained limited. What audiences came to see was the technological
              marvel of the movies; the lifelike reproduction of the commonplace motion of
              trains, of waves striking the shore, and of people walking in the street; and
              


              33楼2012-09-23 22:02
              回复
                喔,居然回到第一页了


                41楼2013-09-23 09:21
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