下列利用惯性或防止惯性带来危害的实例中，属于防止惯性带来危害的是（　　）

A．运动员跳远时，要奋力助跑

B．弓箭手拉弓射箭时，离弦的箭会继续飞行

C．驾驶员驾车行驶时，发现前方有障碍物要提前刹车

D．飞机飞行中空投物品时，要在到达空投目标上方前投下

句型转换。

1. I can come to your party. (改为一般疑问句) 

    __________ you __________ to my party?

2. I always have bread for breakfast. (改为否定句)

    I __________ have bread for breakfast.

3. Bill gets up at six in the morning. (用tomorrow改写句子)

    Bill __________ __________ up at six tomorrow.

4. They played basketball at the school gym last Sunday. (对划线部分提问) 

    __________ __________ they __________ basketball last Sunday?

5. I'm cleaning the room. (对划线部分提问)

     __________ __________ you _________?

6. Lily and Lucy are both 14 years old. (改为同义句)

    Lily and Lucy are the __________ __________.

7. She is a very clever girl. (改为感叹句)

    __________ __________ clever girl she is!