Read and choose. (读一读，选一选)    

     I'm Tom. I'm from Canada. I'm tall. 1 like playing the piano. I like playing basketball. I like

collecting stamps. I live next to my school. I'm going to be a teacher in the future. I'm going to

go to China this summer vocation.

1. — Where is Tom from?

    — He is from ____.

A. China    

B. America  

C. Canada

2. — What does Tom like?

    — He likes ____.

A. playing the piano and basketball    

B. playing the piano and collecting stamps

C. playing the piano and basketball and collecting stamps

3. — Where does Tom live?

    一He lives ____.

A. next to the post office    

B. next to the park    

C. next to his school

4. — What is he going to be?

    — He is going to be a ____.

A. doctor    

B. teacher    

C. scientist

在突出煤层的石门揭煤和煤巷掘进工作面进风侧，必须设置至少2道牢固可靠的反向风门，下列关于反向风门位置说法正确的是（）。

A．反向风门之间的距离不得小于4m

B．反向风门距工作面回风巷不得小于10m

C．反向风门与工作面最近距离一般不得小于70m

D．反向风门与工作面最近距离小于70m时，应设置至少3道反向风门

E．墙壁厚度不得小于0．5m