______your timely advice I would never have known how to go about the work.A.UnlessB.Exce

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______your timely advice, I would never have known how to go about the work.

A.Unless

B.Except for

C.Not for

D.But for

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。

答案解析

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  • 正确答案:D
    该题是语法结构题,考查虚拟语气在含蓄条件中的用法。在此用法中,假设的情况不是用一个条件句来表示,而是隐含在诸如without,butfor,butthat等引导的短语或句子中,或由连词but,副词otherwise,以及比较等级等表示的上下文中,如:Butthatshewasafraid,shewouldhavegonetherealone.要不是因为害怕,她就独自一人去了。/Amorecarefulpersonwouldn"thavemadesomanymistakes.=Ifyouhadbeenmorecareful,youwouldn’thavemadesomanymistakes.如果细心一点,就不会出这么多错误了。因此,根据题意和语法规则,选项D为最佳答案。