要使预案具有操作性，一个很重要的依据是（）
A.预案负责人操纵
B.责任分清，责任到人
C.任何人负责
D.以上都不对
参考答案：B
Examples of people____ by lightning more than five times are almost common. [ ]
A. striking
B. to be struck
C. being struck
D. struck
I don't know if Mr. Wang ______ on a field trip. If he ______on a field trip tomorrow.[ ]
A. goes; will go
B. will go; goes
C. will go; will go
D. goes; goes
