某市委召开政治协商会议和人大代表座谈会，就该市贯彻落实“十二五”规划广泛听取政协

So suddenly ________ that people had no time to escape. [      ]

A. did the earthquake happen

B. the earthquake happened

C. was the earthquake happened

D. the earthquake was happened

Storm chasing is so dangerous that some chasers are often hurt in accidents ______ by driving in a heavy rain.

A．having caused

B．caused

C．to be caused

D．causing

库仑定律的适用条件是[ ]

A、真空中两个带电球体间的相互作用

B、真空中任意带电体间的相互作用

C、真空中两个点电荷间的相互作用

D、真空中两个带电体的大小远小于它们之间的距离，则可应用库仑定律

组织是按照一定目的程序和规则组成的一种权责角色结构，包括（）

A.人、财、物、利四位一体

B.职、责、权、利四位一体

C.职、责、人、权四位一体

D.职、权、人、物四位一体

E.权、责、财、物四位一体

-When do you have biology?

-__________.[ ]

A. On Monday and Thursday

B. In our school

C. Because it's fun

D. I like it very much