厂房的危险等级的确定应按照烟花爆竹生产过程中（）。A、最危险的生产工序等级 B、最安全

下面的句子使用了什么说明方法？

1．同茫茫宇宙相比，地球是渺小的。（　　）

2．它是一个半径只有六千三百多千米的星球。（　　）

3．科学家们提出了许多设想，例如，在火星或者月球上建造移民基地。（　　）

根据《国务院关于投资体制改革的决定》的规定，投资体制改革的主要内容和重点不包括（）。

A．确立投资体制改革新的目标

B．确立企业投资主体地位

C．限制社会投资

D．改进投资宏观调控手段

七、Error correction(短文改错)10分

Coffee houses can be seen anywhere in America.                             1._________

The Europeans brought the idea with them.Soon it                                 2._________

became of their favorite drink.Today people in the                                 3._________

USA drink more coffee than people in any country.                                4._________

They drink them at breakfast,at lunch and between                                 5._________

meal,and not only at home but also at work.Coffee                                6._________

is also drinking around the world.Some people like                                7._________

coffee is very black and very strong.But others like                                8._________

coffee with cream or sugar,or cream and sugar with                               9._________

it.Now coffee has become a world-widely drink.                                    10._________

根据场区划分，羽毛球步法包括（）

A.上网步法

B.两侧移动步法

C.后退步法

D.被动步法

网球每30分钟可消耗（）卡的热量。

A、220

B、450

C、400