Charles Babbage is generally considered the first computer.A. to inventB. inventingC. to

发布时间:2020-08-17 03:56:48

Charles Babbage is generally considered      the first puter.
A. to invent
B. inventing
C. to have invented
D. having invented

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A. to invent
B. inventing
(答案→)C. to have invented
D. having invented
解析:考查固定句型:Sb/sth is considered to do/to have done 被认为要做…/做了某事, 首先是不定式,其次在不定式中要表示过去发生的动作则用完成时态,如果仅用to do,通常则表示尚未或将要发生的动作。句意:Charles Babbage被普遍认为发明了第一台电脑。选C。
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