When were you born?
第1题:
If I ________ you, I would not do it.
A、am
B、was
C、have been
D、were
第2题:
Why do you want a new job ______you've got such a good one already?
A. that
B. where
C. which
D. when
17.答案为D。为什么你已经有个好工作,还要找新工作?分析整句结构,从句做状语,只有 D为正确选项。
第3题:
第4题:
A.When-Mouse-Up
B.When-Mouse-Move
C.When-Mouse-Down
D.When-Mouse-Click
E.When-Mouse-Leave
第5题:
第6题:
用 Born-Haber 循环可计算BN晶格能。