GRE模拟题：自测试题二（7）

文章作者 100test 发表时间 2007:02:25 20:09:29
来源 100Test.Com百考试题网

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 Wagners case， since

　　Wagners 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.