问题 单项选择题

心肌梗死最常见的部位是()

A.左心房

B.右心房

C.左心室前壁、心尖部和室间隔前2/3

D.左心室后壁、室间隔后1/3和右心室

E.左心室侧壁和膈面

答案

参考答案:C

解析:典型的心肌梗死发生的部位与闭塞的冠状动脉支供血区一致。依次为:左室前壁、心尖部、室间隔前2/3(占50%);左室后壁、室间隔后1/3及右心室(占25%~30%);左主侧壁,隔面及左房(占15%~20%)。

阅读理解

阅读理解。

LiNa jumps two places in WTArankings(排位)

    China's Li Na moved up two places to seventh in  the  latest WTA  rankings  released on Monday

despite (尽管) losing the Rome WTA final last Sunday to Russian Maria Sharapova, Yahoo reported.

    Li will begin her French Open  title defence next week  in Paris.  It was  the  first win ever at a Grand

Slam event for someone representing China.

LiuXiang back toworld top

      With a world fastest time of the season so far, Chinese star hurdler Liu Xiang showed  the world that

he is back to the world top level.

    Running  into 13 seconds on a wet  track.  In spite of running on a wet track, the 28-year-old Liu

claimed (宣称) an overwhelming victory against three American  first-class hurdlers at  the 2012

Diamond League Shanghai last Saturday.

    The Athens Olympic  champion  clocked  a world leading time of 12.97 seconds to claim title of

men's 110m hurdle event, and the result bettered (胜过) the previous season best of 13.03s set by

America's Aries Merritt two weeks ago.

       David Oliver of the United States finished second in 13.13s whi le another American Jason

Richardson, newly crowned world champion in Dague last year, settled third in 13.16s. Merritt was

fourth in 13.26s.

1. The passage aboveis about _________.

A. a story

B. an advertisement

C. sports news

D. a poem

2. Li Na was _______  in  the  latest WTA rankings despite losing the Rome WTA final.

A. second    

B. ninth  

C. seventh      

D. sixth

3. There are _______ players at  the 2012 Diamond League Shanghai mentioned in this passage.

A. 3  

B. 4  

C. 5      

D. 6

4. Liu Xiang was first in ________ at the 2012 Diamond League Shanghai.

A. 12.97s  

B. 13.03s  

C. 13.13s      

D. 13.26s

5. Which of the following isn't mentioned in the passage?

A. Merritt was  fourth  in 13.26s at  the 2012 Diamond League Shanghai.

B. Li Na lost the Rome WTA final by 1:2 last Sunday.

C. The Athens Olympic champion clocked a world leading time of 12.97 seconds.

D. China's Li Na moved up  two places  to seventh  in the latest WTA rankings.

单项选择题 A3/A4型题