下述哪项不是引起围术期低体温的原因：（）。

A.麻醉剂对体温调节抑制作用

B.大量输入环境温度下的液体或血液

C.高温环境

D.手术因素手术时间长，体表暴露面积大，手术切口大

句型转换。

1. There are no other things in the bag. (改为同义句)

    There is _____ _____ in the bag.

2．Please tell me what I should do next time. (改为同义句)

    Please tell me _____ _____ _____ next time.

3. These shoes are not expensive for us to buy. (改为同义句)

    These shoes _____ _____ for us to buy.

4. She was unhappy because she lost her new book. (对画线部分提问)

    _____ _____ she unhappy?

5. Tom bought a blue jacket. Sam bought a blue jacket, too. (合并为一句)

    Tom and Sam bought _____ _____ _____ jackets.