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问题 单项选择题

X线下见右上肺有多发的厚壁空洞，周围有较广泛的纤维条索影。应首先考虑的是

A．肺大疱
B．肺脓肿
C．浸润型肺结核空洞形成
D．慢性纤维空洞型肺结核
E．周围型肺癌空洞形成

答案

参考答案：D

阅读理解

I am a boy from the USA. Now I go to school in China. I have Chinese food now, I like it. I usually have porridge（粥）and milk for breakfast at home with my parents. Sometimes I have some small cakes, too. But I don’t have lunch at home. I have it at school with my classmates（同学）. I usually have meat or fish, rice and vegetables for lunch. After lunch I have some fruit. I get home at half past four in the afternoon. So I have supper with my parents again. Sometimes we go out for supper. My mother often cooks supper. Sometimes my sister does it. We usually have rice, fish, meat, vegetables and fruit juice for supper. We sometimes have noodles and dumplings. After supper, I often have some fruit. I like apples very much.

请根据短文内容，选择最佳答案。

小题1:Where is the boy from?

A．England.

B．China.

C．America.

D．Australia.小题2:The boy has breakfast with_______.

A．his classmates

B．his father and mother

C．his teachers

D．his brother and sister小题3:When does the boy usually get back home?

A．4:45

B．5.30

C．4:30

D．5:15小题4:How many people are there in the boy’s family？

A．Three

B．Four

C．Five

D．Six小题5:Where does the boy have lunch at weekends?

A．At home.

B．At school.

C．At home or at school..

D．We don’t know.
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问答题 简答题

试述运行途中电空制动控制器在运转位，均衡风缸有压力，制动管无压力的原因及处理方法？
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