P92第5题:A recent study of ancient clay deposits has provided new evidence supporting the theory of global forest fires ignited by a meteorite impact that contributed to the extinction of the dinosaurs and many other creatures some 65 million years ago.
(A) 如上划线
(B) 将A中最后的that 去掉
答案选了B,但我觉得后面的contributed 这个动词是impact 主动发出的,如果去掉that 不是成了过去分词的省略结构了吗,不知我的理解对否
P95第14题:答案选项中A newly developed jumbo rocket will be able to deliver a heavier load of instruments into orbit than the space shuttle can, and at a lower cost.——than 前后分别是be able to 和can,能这样对称吗?
请nn指教~
contribute是theory of global forest fires发出的,因为去掉ignited by a ..impact句子也成立。如果按照你那样的理解,是由impact发出,也就是如果选a的话,我觉得contribute的时态就应该和主句一样用一般现在时。
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