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问题 单项选择题

传统上片剂是用糖衣包浆，而薄膜包衣操作简单，高分子材料的衣膜只要加10-20μm厚就可以具有作用，但不具有下列哪个作用（）

A.封闭孔隙

B.增加药物生物利用度的作用

C.具有一定的防潮作用

D.使粗糙表面光滑的作用

答案

参考答案：B

选择题

从A、B、C、D 四个选项中，选出与所给句子画线部分意思相同或相近并能替代的那一项，然后填写在括号里。

1. Yesterday he got a letter from his father. [ ]

A. heard of

B. heard about

C. heard a letter from

D. received a letter from

2.  —Are you happy to have two-month summer holidays?

     —Sure. We can relax ourselves and do many things we like.  [ ]

A. two months

B. two month

C. two months

D. two month's

3. Would you like a cold drink rather than coffee? [ ]

A. would than

B. would rather

C. instead

D. instead of

4. I'm sorry she isn't here right now.  [ ]

A. then

B. at the moment

C. just now

D. at this time

5. When you cross the road, be careful.[ ]

A. across

B. go through

C. go cross

D. walk across
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判断题

采用堵漏快硬砂浆施工结束后应立即在表面涂刷一层水玻璃溶液泥砂浆效果更好
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