胰岛素制剂中，属于中效胰岛素的有（）

A.低精蛋白锌胰岛素

B.慢胰岛素锌混悬液

C.普通胰岛素

D.特慢胰岛素锌混悬液

E.精蛋白锌胰岛素注射液

句型转换。

1.  I think Chinese is more difficult than English. (改为同义句)

2. Tom has to stay home this weekend. (改为否定句)

3. We are going to play soccer after school this afternoon.(对画线部分提问)

4. My hair is short, but her hair is long. (改为同义句)

5. My friend isn't different from me. (改为同义句)

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