句型转换

1. Lingling is the quietest girl in our class.(改为同义句)

    Lingling is ________ than ________ ________ girl in our class.

2. Li Ping is twelve years old. Li Dong is eight years old.(合并为一句)

    Li Ping is four years ________ than Li Dong.

3. The meat is 20 yuana kilo.(对画线部分提问)

    ________ ________ is the meat?

4. It's very warm in Sanya in winter.(用cold改写成一个选择疑问句)

    ________ it very warm ________ ________ ________ in Sanya in winter?

5. I'm tall. Betty is taller than me. Alice is taller than Betty.(把这三句话合成一句话)

    Alice is ________ ________ of the three.

压缩行程结束时气体的压力和温度主要随什么（）而定。

A.压缩比的大小

B.发动机的排量大小

C.汽缸工作容积的大小