I like the film very much. It __________

保卫细胞吸水膨胀时，气孔张开；保卫细胞失水收缩时，气孔关闭______．（请填写“正确”或“错误”）

句型转换。

1. Li Lei is taller than any other boy in his class. (改为同义句)

   Li Lei is _____  _____ boy in his class.

2. Mary goes to the Birdwatching Club twice a week. (对划线部分提问)

    _____  _____ does Mary go to the Birdwatching Club?

3. Simon was playing a new computer game this time yesterday. (改为否定句)

    Simon _____  _____  a new computer game this time yesterday.

4. They went to the airport by coach just now. (改为一般疑问句)

    _____  they_____ to the airport by coach just now?

5. Tom had no time for breakfast. He went to school in a hurry. (改为同义句)

    Tom _____ to school _____ breakfast.

在打击与保护两者之间的关系中，打击是保护的前提，保护是打击的保证，保护服务于打击。 ( )

水泵动静部分间隙漏流使设备效率（）

A.降低

B.提高

C.不变

一般情况下，CT图像上正常人膀胱壁的厚度为（）

A.<1mm

B.<2mm

C.<3mm

D.<4mm

E.>5mm