生产力中的主导因素是( )。A．劳动资料 B．劳动者 C．劳动

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问题单项选择题

生产力中的主导因素是( )。

A．劳动资料

B．劳动者

C．劳动对象

D．科学技术

答案

参考答案：B

解析：生产力中的主导因素是劳动者，A、C、D三项是为客体，故选B。

补全对话，情景问答

( ) 1.	A. This is an old man. B. This is Santa. C. This is my father.
( ) 2.	A. We are making a snowball. B. We are playing snow. C. We are playing with snow.
( ) 3.	A. My favourite season is winter. B. My favourite season is fall. C. My favourite season is spring.
( ) 4.	A. I go there by bus. B. I walk to school. C. I go to school by car.
( ) 5.	A. We are flying kites now. B. We are playing now. C. We are playing football.

单项选择题

一个防毒排烟专勤人员要使自己的身体保持适应战斗环境的最佳水平，必须定期进行练习，每（）天内至少练习一次。

A.5～10

B.10～20

C.30～45

D.20～30