Without electronic computers,much of today’s__________advanced technology.A.wil
题型:不详难度:来源:
Without electronic computers,much of today’s__________advanced technology.A.will not have been achieved | B.have not been achieved | C.would not have been achieved | D.had not been achieved |
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答案
C |
解析
这是一个含蓄虚拟条件句,通过介词短语without,表示潜在的一种假设,而主句中的情况也早已经发生,所以是对过去情况的一种假设,因此用would not have been achieved这一形式。 |
举一反三
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