影响显微镜成像的相差有()
A.色差
B.球差
C.场曲
D.畸变
E.以上均是
参考答案:E
We should do more such exercises in the future,I think,_____ those we did yesterday.
A.as
B.like
C.about
D.than
简要回答我国的利率控制情况。