Without computers, much of the advanced technology ______.

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问题 Without  computers,  much  of  the  advanced  technology ______.

选项 A、would not be achieved
B、would not be achieve
C、haven’t achieved
D、would not have been achieved

答案D

解析 本题考查的是虚拟语气。Without=if..not,这里是对过去情况的假设,表示与实际相反,基本结构是:If…had not…,…would not have…。另外在这里,主语technology是被完成,故用被动,因此选D。
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