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windweed

1.        As U.S. nuclear attack submarines prowl their familiar haunts deep within the oceans of the world these days, they increasingly are engaged in missions far different from the tasks for which they were built and for which their crews were trained over the last forty years.

(A) they increasingly are engaged in missions far different from the tasks for which they were built

(B) the missions they increasingly engage in are far different than the tasks they were built for

(C) they engage increasingly in missions that differ significantly from the tasks they were built for

(D) the missions they engage in are increasingly different than the tasks for which they were built（A）

(E) they increasingly engage in missions far different than the tasks for which they were built [A]

be engaged in 和engage in sth 都是对的.

D 为什么不对? 仅仅是主动被动的区别吗?

三脚猫

D中使用than，而并无比较级形容词出现，因此错误

ashura

请问，C为什么不对呀？

blackpozi

neclear 不会自己engage，所以要用被动语态

engage用作主动时，主语应该是人

今天才意识到：increasingly 修饰被动语态的动词are，要放在are前面。

[此贴子已经被作者于2008-5-21 16:29:01编辑过]