在数轴上，表示+2的点在原点的______侧，距原点______个单位；表示-7的点在原点的______侧，距原点______个单位；两点之间的距离为______个单位长度．

句型转换。

1. She can swim (改为一般疑问句并作肯定回答)

    —_____ she _____?  

    —_____, she _____.

2. Jim can read books. (变成否定句)

    Jim _____ _____ books.

3. My favourite sport is playing football. (对划线部分提问)

    _____ _____ favourite sport?  

4. It is very cold today. (对划线部分提问)

    _____ the _____ _____ today?  

5. The cat is black and white. (对划线部分提问)

    _____ _____ _____ the cat?