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OG89 单复数
89. A recent national study of the public schools shows that there are now one microcomputer for every thirty-two pupils, four times as many than there were four years ago.
(A) there are now one microcomputer for every thirty-two pupils, four times as many than there were
(B) there is now one microcomputer for every thirty-two pupils, four times as many than there were
(C) there is now one microcomputer for every thirty-two pupils, four times as many as there were
(D) every thirty-two pupils now have one micro¬computer, four times as many than there were
(E) every thirty-two pupils now has one microcom¬puter, four times as many as
Choices A, B, and C appropriately use the construction "one X for every thirty-two Y's" to describe the ratio of computers to pupils, but only C, the best answer, is error-free. In A, are does not agree with the subject, one microcomputer; furthermore, in A, B, and D, than is used where as is required. Choices D and E reorder and garble the "one X ..." construction, making four times as many refer illogically to pupils.
我得问题是为什么正确答案B中用there were 而不用there was, 前面用了there is 根据平行的原则，后面也应该表示同样的结构，那为什么不用单数的谓语呢？？
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发表于 2003-12-17 08:48:00
