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问题 单项选择题

以下关于涂膜剂的叙述，错误的是()

A.涂膜剂是一种可内服和外用的液体制剂

B.常用的成膜材料有聚乙烯醇、聚乙烯吡咯烷酮等

C.溶剂一般为乙醇、丙酮或两者的混合物

D.涂膜剂外用时涂于患处，溶剂挥发后形成薄膜，对患处有

答案

参考答案：A

选择题
— Do you know where Beijing is?
— Yes, it's ______ of China.

A. to the north
B. in the north
C. in the south
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单项选择题

Are you a man or a mouse When people ask this question they want to know (1) you think you are a (2) person or a coward. But you will never really know the answer to this question (3) you are tested in real life. Some people (4) they are brave but when they come face to face with real (5) , they act like cowards. Others think of themselves as cowards, but when they meet danger, they act like (6) .Lenny had always thought of himself as a (7) person. He got worried before examinations. He worried about his job and health. All he wanted in life was to be safe and healthy. (8) , on January 15th, 2002, a plane crashed into the Potomac River in Washington. Lenny went to the river to See what was happening. He saw a woman in the (9) water. Lenny did not feel afraid. He kept very (10) and did a very dangerous thing. He jumped into the Potomac, (11) to the woman, and kept her head (12) the water. Seventy-eight people died that day. Thanks to Lenny, it was not (13) .When you are in a very (14) situation and feel afraid, the body automatically produces a chemical in the blood. The chemical is called adrenalin. (15) adrenalin in the blood system, you actually feel per and per and are (16) to fight or run away. However, when you are absolutely terrified, the body can produce too much adrenalin. Where this (17) , the muscles become very hard and you find you (18) move at all. You are then paralyzed with fear. This is (19) when we are very frightened, we sometimes say we’re "petrified". This word comes from the Greek word "petros", which means "stone". We are (20) frightened that we become stonelike.

第（12）空应选择（）

A．in

B．under

C．above

D．from
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