社会主义改造完成后，我国的主要矛盾是（）。

A.无产阶级和资产阶级的矛盾

B.落后的社会生产与人民日益增长的物质和文化需要的矛盾

C.党的干部与群众的矛盾

D.敌对分子破坏颠覆活动与捍卫人民 * * 的矛盾

句型转换

小题1: Lucy usually cleans the cage every two days. (对划线部分提问)

______ ______ does Lucy usually clean the cage?

小题2: Jenny worked hard in order to catch up with others.( 将简单句改为复合句)

Jenny worked hard ______ ______ she could catch up with others.

小题3: Nothing is impossible if you put your heart in it. (改为反意疑问句)

Nothing is impossible if you put your heart in it, ______ ______ ?

小题4: Mary came to China three years ago. (改为同义句)

Mary has ______ in China since three years ago.

小题5:Zhai zhigang became the 1^st Chinese astronaut to walk in space. (改为定语从句)

Zhai zhigang became the 1^st Chinese astronaut ______ ______ in space.