求助~SC大全55题

leijieshui · 发表于 2011-5-25 15:01:29

According to United States Air Force officials, a cannon shooting dead chickens at airplanes has proved helpful to demonstrate what kind of damage can result when jets fly into a flock of large birds.
(A) shooting dead chickens at airplanes has proved helpful to demonstrate
(B) shooting dead chickens at airplanes has proved itself helpful as a demonstration of
(C) shooting dead chickens at airplanes proves itself helpful as demonstrating
(D) that shoots dead chickens at airplanes proves itself helpful to demonstrate
(E) that shoots dead chickens at airplanes has proved helpful in demonstrating

为什么要选E不选A呢？在没有时态问题的情况下用分词结构做定语替代定语从句不是更好吗？况且A中还是to demonstrate要比in demonstrating好呀……

leijieshui · 发表于 2011-5-25 16:35:33

自己坐沙发~最近真郁闷……语法逻辑阅读都越错越多，还不如看之前呢……哎

求助~SC大全55题

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