句型转换，每空一词。

1. Could you give me some water? (改为祈使句)

    _____ _____ some water, please.

2. Please buy me a new bike. (同义句转换)

    Please _____ a new bike _____ me.

3. The watch is 100 yuan. (对划线部分提问)

    _____ is the _____ of the watch?

4. He wants to buy some apples. (用 oranges 构成选择疑问句)

    _____ he _____ to buy any apples _____ oranges?

5. We want to buy some meat. (同义句转换)

    We _____ _____ to buy some meat.

当线路发生单相接地时，进行三相重合闸时，会比单相重合闸产生（）的操作过电压。

A.较大

B.较小

C.相等

D.以上均不正确