问题 选择题

Calculations,which are astronomically exact,have been made ________ with the use of computers.

A.possible

B.it possible

C.possibly

D.to be possible

答案

答案:A

考查make calculations possible,因此不再用it作形式宾语。句意为:随着计算机的应用,航天方面的精确计算成为可能。

单项选择题
填空题