既能通鼻窍，又能祛风湿、止痛的药物是A．苍耳子 B．辛夷 C．藁本 D．独活

阅读理解。

1. What is Chris Daniels' purpose of writing this letter? [ ]

A. To persuade Bret Chrysler to turn away from quiz shows.

B. To entertain other readers with old news pictures.

C. To express his appreciation of the programme.

D. To have his story told on the programme.

2. Chris Daniels tells the story about the bus ticket to _____. [ ]

A. describe how painful his early experience was

B. draw a direct response from Alison Burnham

C. show how the programme made him think

D. teach the readers of TV Weekly a lesson

3. According to the passage, Chris Daniels had to walk home because _____. [ ]

A. he hadn't got a return ticket

B. he had lost his bus ticket

C. he didn't like big crowds

D. he missed the bus home

4. What does Chris Daniels now think about his experience on the bus? [ ]

A. He should have told the conductor then.

B. He should have been well treated.

C. He regrets going to school alone.

D. He wishes it hadn't happened.

5. We can learn from the letter that Alison Burnham may be ______. [ ]

A. an editor

B. a commentator (评论员)

C. a director

D. a man writer

气管内吸痰一次吸引时间不易超过15秒，其主要原因是

A．吸痰器工作时间过长易损害

B．吸痰管通过痰液过多易阻塞

C．引起病人刺激性呛咳造成不适

D．避免引起病人缺氧和发绀

E．吸痰盘暴露时间过久造成细菌感染

两个完全一样的等腰直角三角形可以拼成一个______．

①长方形②正方形③梯形．

将一根枝条插入滴有红墨水的瓶中，放在太阳下一会时间后，将枝条纵切开来，用放大镜可看出哪一部分被染红了[ ]

A．筛管

B．导管

C．形成层

D．筛管和导管

记载新入监罪犯基本情况的表格类文书是______

A．罪犯评审鉴定表
B．犯罪入监登记表
C．狱内案件立案报告表
D．罪犯保外就医审批表