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GRE模拟题:自测试题二(7)

留学快车整理  08-06-19 00:00:00 责任编辑:胡敏 我要评论 选校
21.Among the trees left over after the planting is done

  there must be

  (A)at least one maple

  (B)at least one red oak

  (C)at least one sycamore

  (D)at most one maple

  (E)at most one red oak

  22.If maples are planted, the side of the street that has

  four trees must have

  (A)red oaks in positions 1 and 7

  (B)red oaks in positions 3 and 5

  (C)sycamores in positions 1 and 3

  (D)sycamores in positions 1 and 7

  (E)sycamores in positions 3 and 5

  23.A list of the fifteen operas most frequently performed

  in recent times includes no works by the nineteenth-

  century German composer Richard Wagner. Although

  music producers tend to produce what audiences want,

  relative infrequency of performance probably does

  not indicate lack of popularity in Wagner's case, since

  Wagner's operas are notoriously expensive to perform

  on stage.

  Which of the following, if true, most strongly

  supports the conclusion of the argument above?

  (A)The list of most frequently performed operas

  does not include operas produced by small

  amateur groups.

  (B)Some opera companies are backed by patrons

  who are willing to commit large sums of

  money in order to enjoy lavish productions.

  (C)All of the fifteen most frequently performed

  operas of recent times are works that have

  been popular for at least 75 years.

  (D)More recordings have been produced recently of

  the works of Wagner than of the works of any

  other composer of opera.

  (E)Operatic works of all kinds have been increasing

  in popularity in recent years.

  24.The bodies of dwarf individuals of mammalian

  species are generally smaller in relation to those of

  nondwarf individuals than are the teeth of the dwarf

  individuals in relation to those of the nondwarf indi-

  viduals. Fragmentary skeletal remains of an adult

  dwarf woolly mammoth were recently found. The teeth

  are three-fourths the size of the teeth of an average

  adult nondwarf woolly mammoth.

  The statements above, if true, most strongly support

  which of the following?

  (A)The body of the dwarf woolly mammoth was

  less than three-fourths the size of the body of

  an average adult nondwarf woolly mammoth.

  (B)None of the teeth of the dwarf woolly mammoth

  that were recently discovered was as large as

  any of the teeth of nondwarf woolly mammoths

  that have been discovered.

  (C)The teeth of most adult dwarf individuals of

  mammalian species are three- fourths the size of

  the teeth of the adult nondwarf individuals of

  the same species.

  (D)Dwarf woolly mammoths had the same number

  of teeth as did nondwarf woolly mammoths.

  (E)Dwarf individuals of most mammalian species

  are generally no more than three-fourths the

  size of the adult nondwarf individuals of those

  species.

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