标题: 问两个题 [打印本页] 作者: 夜见泽 时间: 2013-5-10 17:13 标题: 问两个题 His studies of ice-polished rocks in his Alpine homeland, far outside the range of present-day glaciers, led Louis Agassiz in 1837 to propose the concept of an age in which great ice sheets had existed in now currently temperate areas.
(A)in which great ice sheets had existed in now currently temperate areas
(B)in which great ice sheets existed in what are now temperate areas
(C)when great ice sheets existed where there were areas now temperate
(D)when great ice sheets had existed in current temperate areas
(E)when great ice sheets existed in areas now that are temperate
我只想问 B中now的位置可以这样放么 为什么?
Proponents of artificial intelligence they say willbe able to make computers that can understand English and other human languages, recognize objects, and reason asanexpertdoes-computers that willbeused to diagnose equipment breakdowns, deciding whether to authorize a loan, or other purposes such as these.
(A) asanexpert does--computers that willbeused to diagnose equipment breakdowns, deciding whetherto authorize a loan, or other purposes such as these
(B) asanexpert does, which may beused for purposes such as diagnosing equipment breakdowns or deciding whether to authorize a loan
(C) like anexpert--computers that willbeused for such purposes as diagnosing equipment breakdowns or deciding whether to authorize a loan
(D) like anexpert, the use of which would be for purposes like the diagnosis of equipment breakdowns or the decision whether or not a loan should be authorized
(E) like anexpert, to beused to diagnose equipment breakdowns, deciding whether to authorize a loan or not, or the like 这题没看懂破折号的用法?答案是c,整句话是什么意思?