（）的高等教育管理体制一般指高等教育的决策权力主要在地方政府，由地方政府来独立行使高

________ back to China, all the staff who had worked in Libya strongly felt that our country is very

powerful.  [ ]

A. To fly

B. Being flying

C. To be flown

D. Having been flown

________ made me more unhappy was _________ the boy asked my friend to be his girlfriend and she agreed.

A．What;that　

B．That;that

C．What;whether　

D．It;that 

运送工具

下列关于属于膨胀土的性质的描述正确的是（）。

A、吸水膨胀，失水收缩

B、强度较低

C、黏粒成分主要由矿物组成

宪法既属于公法，同时又是“母法”