句型拓展。

1. Su san is visiting her grandmother this weekend. (就画线部分提问)

    _____ _____Su san_____this weekend?

2. Can you show me your new bike? (同义句)

    Can you show_____ _____ _____ _____ _____?

3. I hope you will have a good time. (同义句)

    I  hope you will_____ _____.

4. The weather here is very cold. (对画线部分提问)

     _____the weather_____today?

5. It takes me two hours to play the piano everyday. (同义句)

    I _____two hours_____the piano everyday.

下列变化不属于缓慢氧化的是[ ]

A.食物腐烂

B.酿酒

C.红磷燃烧

D.铁生锈