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--第一--
2、选C的话,如果说理由是prove可以做被动且时态正确,那么则默认and后的句子中省略了谓语动词was,但是由于并列句主语不同时,谓语动词需要补出,故这种说法不正确。另外,superioty over sth是固定搭配,C的介词to是错的。
----------你的这个---关于be省略的解释我觉得错了,因为be的省略是当be是实意动词时,但是当be是助动词时不可以省吧?昨天没找到很具体的关于被动be省略的例子,你可以再查下。
--第二--181楼两个举例 1.A recent study of ancient clay deposits hasprovided new evidence $$supporting the theory of global forest fires ignitedby a meteorite impact that$$ contributed to the extinction of the dinosaurs and many other creatures some 65 million years ago.
(A) supporting the theory of global forest fires ignited by a meteorite impact that
(B) supporting the theory that global forest fires ignited by a meteorite impact
(C) that supports the theory of global forest fires that were ignited by a meteorite impact and that
(D) in support of the theory that global forest fires were ignited by a meteorite impact and that
(E) of support for the theory of ameteorite impact that ignited global forest fires and
2.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
当然会有其他方法排除,你主要看看 分词作定语 与 定语从句做定语。 1.B 2.E |
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