李某持刀冲入某信用社,将刀架在正在办理业务的顾客王某的脖子上,要求信用社职员张某交出现金5万元,张某怕伤到人,只好将5万元现金扔给李某。李某的行为构成( )
A. 抢劫罪
B. 绑架罪
C. 敲诈勒索罪
D. 侵占罪
查看答案
当程序设计语言对输入格式有严格要求时,应保持输入格式与输入语句的______。
A. 可读性
B. 连续性
C. 一致性
D. 以上答案都不对
It is the third time that I ()here.
A. was
B. am
C. have been
D. had been
If I had hurried, I ()the plane.
A. could catch
B. would catch
C. should catch
D. would have caught
The chair looks rather hard, but in fact it is very comfortable to ()
A. sit
B. sit on
C. be seat
D. be sat on