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问题 单项选择题 A3/A4型题

患者，男。昨夜在工地上睡觉时，自觉有物爬入耳内，现左耳痛。检查见左耳外耳道内有一昆虫，仍活动。

处理此病首先应（）

A.用镊子挟取

B.用冲洗法冲出

C.用油剂滴耳

D.全麻

E.用刮匙取出

答案

参考答案：C

阅读理解

My family lives in London. In the morning, my father goes to work and we go to school. My father takes us to school every day. My mother stays at home. She does the housework. She always has lunch at home, and visits her friends in the afternoon. In the afternoon, we go home from school by bus. My father gets home from work late. At night my two brothers and I always do our homework. We go to bed at about ten. My father and my mother usually read newspapers. We can watch TV at the weekend.

1. ____ goes to work in the morning.

A. No one   B. We all    C. My father   D. My mother

2. ____ lunch at home.

A. My mother has   B.My father has C. Only the children have  D. All the family have

3. ____ home late.

A. The children get   B. My father gets   C. My mother is not   D. My parents get  

4. There are ____ people in my family.

A. three   B. four    C. five   D. six
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单项选择题

数字电视比模拟电视具有多方面的优点，但数字视频数据量很大，对存储和传输都是极大的负担，为此必须进行压缩编码。数字电视中视频信号采用的压缩编码标准是( )。

A．MPEG-1
B．MPEG-2
C．MPEG-4
D．MPEG-7
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