初冷器上段是用（）冷却煤气的，下段是用（）冷却煤气的。

Most children like watching TV. It’s very interesting. By watching TV they can see and learn a lot and know many things about their country and the world. Of course ,they can also learn over the radio. But they can learn better and more easily on TV. Why? Because they can hear and watch at the same time. But they can’t see anything over the radio. TV helps to open children’s eyes. It helps to open their minds , too. They learn newer and better ways of doing things. Many children watch TV only on Saturday or Sunday evening. They are always busy with their lessons. But a few children watch TV every night. They go to bed very late. They can’ t have a good rest. How about you, my young friend?

小题1:A few children go to bed late because they ______

A．are busy with their lessons

B．do their homework

C．watch TV

D．listen to the radio小题2:Children can’t see anything ______

A．in the radio

B．on the radio

C．on TV

D．by watching TV小题3:TV helps to open children’s ______

A．eyes and minds

B．minds

C．eyes or minds

D．eyes小题4:Why do many children watch TV only on Saturday or Sunday evening? Because ______

A．TV is not good

B．they don’t like watching TV

C．they have no time

D．they want to play football小题5:Children can study better and more easily on TV because ______

A．they like to watch TV

B．they can hear at the same time

C．they can watch at the same time

D．they can hear and watch at the same time

采用一夹一顶加工轴类零件，只限制六个自由度，这种定位属于完全定位。（）

元好问是（）代重要诗人，其以（）形式作诗论批评，题名为（）。

下列对土地改革的描述，错误的是

A．土地改革的完成，彻底摧毁了我国存在两千多年的封建土地制度

B．其主要目的是将土地收归国有

C．土地改革是近三亿无地或少地的农民分得土地

D．它解放了农村生产力，促进了农业生产的恢复和发展

基底节神经环路中的直接通路是指（）

A.新纹状体-内侧苍白球/黑质致密部

B.新纹状体-内侧苍白球/黑质网状部

C.新纹状体-外侧苍白球/黑质致密部

D.新纹状体-外侧苍白球/黑质网状部

E.新纹状体-苍白球/黑质