211. (29202-!-item-!-188;#058&003905) (GWD-8-Q39) Whereas in mammals the tiny tubes that convey nutrients to bone cells are arrayed in parallel lines, in birds the tubes form a random pattern. A. Whereas in mammals the tiny tubes that convey nutrients to bone cells are arrayed in parallel lines, in birds the tubes B. Whereas the tiny tubes for the conveying of nutrients to bone cells are arrayed in mammals in parallel lines, birds have tubes that C. Unlike mammals, where the tiny tubes for conveying nutrients to bone cells are arrayed in parallel lines, birds’ tubes D. Unlike mammals, in whom the tiny tubes that convey nutrients to bone cells are arrayed in parallel lines, the tubes in birds E. Unlike the tiny tubes that convey nutrients to bone cells, which in mammals are arrayed in parallel lines, in birds the tubes （答案选A） -- by 会员 yoyosussi (2010/1/12 19:12:19)
C的比较对象是mammals和birds' tube，比较对象不对等
D的比较对象是mammals和the tubes，比较对象不对等
E的比较对象是the tiny tubes和介词短语in birds... 比较对象不对等 | 
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发表于 2010-1-12 19:12:19
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