问题 单项选择题 A3/A4型题

患者男,30岁,自觉胸闷,心电图示左室高电压,左室肥厚,曾晕厥两次。

该患者多普勒频谱检查可能见到的是()

A.二尖瓣口舒张期血流速度1.5m/s

B.主动脉瓣口收缩期频谱呈匕首样

C.肺动脉瓣口收缩期血流速度2.5m/s

D.三尖瓣口反流速度3.5m/s

E.以上均不正确

答案

参考答案:B

阅读理解

阅读理解。

    You go to a store. You see many new things. You know about them before you get to the store. How do

you know? You saw these things on TV. You learned about them through advertising.

    People have been advertising for thousands of years. Long ago, men called "criers" walked up and down

the street. They shouted about things that were being sold.

    Later, people met at one place. This place was a market. Some people came to sell. Other people came to

buy. But only those people who were at the market knew what was being sold.

    When people learned about printing, things changed. Soon there were newspapers. Many people read the

newspapers. They saw many ads in the papers. Later, more people saw and listened to the ads on TV. Are

the people who sell to us "criers"?

1. When you go to a store, you see _____. [ ]

A. singers

B. advertisement

C. many new things

D. TV

2. Which of the following statements is TRUE according to the passage? [ ]

A. We go to the store to read the newspaper.

B. We go to the store to buy things we hear about.

C. We go to the store to look at the ads on TV.

D. We go to the store to know other people.

3. People have been advertising for _____. [ ]

A. thousands of years

B. hundreds of years

C. one thousand years

D. one hundred years

4. Later people could find the ads _____. [ ]

A. on TV

B. in the newspapers

C. everywhere

D. both A and B

5. The main idea of the whole story is _____. [ ]

A. people advertise to sell things

B. people cried when they had to advertise

C. people went to the market

D. people never advertise

选择题