男性，45岁，因患脓胸而行手术引流，虽经充分引流，仍持久不愈，

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问题单项选择题 A1/A2型题

男性，45岁，因患脓胸而行手术引流，虽经充分引流，仍持久不愈，这种情况一般和下列哪项无关（）。

A.异物存留

B.肺扩张受限

C.脓液的稠密度

D.支气管胸膜瘘

E.未被发现的肺结核

答案

参考答案：C

填空题

缺词填空。

Halloween is my favourite festival. We have a special p 1 on October 31st. My friends and I always

d 2 up at Halloween. We wear special costumes w 3 masks. Sometimes we p 4 our faces and people

don't know w 5 we are. It's wonderful! This y 6 , I'll wear a tiger costume.

My family always have a party on the e 7 of October 31st. It usually s 8 at about 8 p.m. We eat a lot

of special Halloween chocolates and c 9 . We have hot drinks and eat lots of nice, hot f 10 . We do not eat

moon cakes.

1. p 2. d 3. w 4. p 5. w

6. y 7. e 8. s 9. c 10. f

问答题简答题

什么叫做催化剂？