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。