用划线词的反义词填空。

1. Bring your math book here and _______ away your exercise books.

2. I like short hair. I don't like _______ hair.

3. My shoes are too old. I want to buy _______ ones.

4. The store sells school things. You can _______ some coloured pencils there.

5. I think this book is very easy and that book is very _______.

6. Watching TV is too boring. But playing sports is very ________.

7. His first name is John and his _______ name is Green.

8. The shirt is too big for me. Give me a _______ one, please.

9. The blackboard is black. The words on it are _______.

10. These are my shoes and _______ are yours.

我国经济整体竞争力不强的原因主要有（）。

A．我国仍处于社会主义初级阶段

B．经济体制还不完善

C．生产力发展仍面临诸多体制性障碍

D．国际大环境限制