医院的消毒工作包括（） A.清洁、消毒、灭菌 B.清洁、灭菌、防腐 C.灭菌、消毒、

适用于气体和低沸点蒸气采样的是（）

A.玻璃注射器采样

B.铝塑夹层袋采样

C.多孔板吸收管采样

D.活性炭固体吸附剂采样

E.无泵型气体采样器

—The TV show Home With Kids is 80 wonderful. You shouldn’t miss it.   

—If I have time, I _____ it. [ ]

A. see    

B. saw  

C. will see

D. have seen

They also agree that it is the burning of more and more fossil fuels that has resulted ____ this increase in carbon dioxide.

A．from

B．of

C．in

D．to

下图是我国经济社会发展阶段图示，请补全空缺的内容。

（1）____________________________________________________________________

（2）____________________________________________________________________

（3）____________________________________________________________________

（4）____________________________________________________________________

液化效率是（）。