我国要大力发展混合所有制经济，实现投资主体多元化，使（）成为

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问题单项选择题

我国要大力发展混合所有制经济，实现投资主体多元化，使（）成为公有制的主要实现形式。

A.家庭联产承包责任制

B.全民所有制

C.股份制

D.劳动者个体所有制

答案

参考答案：C

填空题

用括号内所给单词的适当形式填空

1. The children have a great time_______(play) in the Yu Garden.

2. In the past, it was hard for Chinese farmers to make a______(life).

3. My brother has been_______(collect) stamps since he was five years old.

4. All of us are very_______(interest) in the report about aliens.

5. When did you start_______(practice) playing the piano.

填空题

如图所示，在通电螺线管内部中间的小磁针，静止时N极指向右端，则电源的c端为____________极，螺线管的a端为____________极。