__________(要不是有计算机), there would not have been man-made satellites or rockets.

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问题 __________(要不是有计算机), there would not have been man-made satellites or rockets.

选项

答案But that there were computers

解析 考查点:虚拟语气中“要不是”的表达方式是but that;此处条件状语从句表示的是和现在相反的虚拟,故用一般过去时。
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