(单词翻译:单击)
GRE模拟题：自测试题二（7）
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
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 individuals. 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.
