问题 单项选择题 A1/A2型题

患者女性,33岁。临床表现为口唇发绀、下肢紫癜。血常规检查示红细胞、血小板减少。患者为确诊首选的检查项目是()

A.抗核抗体

B.出血时间

C.骨髓穿刺活检

D.凝血时间

E.血肌酐

答案

参考答案:C

解析:患者出现缺氧和出血的表现,血常规出现红细胞和血小板减少,而临床多种血液系统疾病可出现上述表现,如白血病、再生障碍性贫血等,因此为进一步确诊需行骨髓穿刺活检。

阅读理解

阅读理解。

     Music is an international language. The songs that are sung or played by instruments are beautiful to all people everywhere.

     Popular music in America is what every student likes. Students carry small radios with earphones and

listen to music before class, after class and at lunch. Students with cars buy large speakers (扬声器) and

play the music loudly as they drive on the street.

     Adult drivers listen to music on the car radio as they drive to work. They also listen to the news about

sports, the weather, politics, and activities of the American people. But most of the radio broadcast is

music.

     Pop or popular music singers make much money. They make a CD or tape which radio stations use

in every state. Once the popular singer is heard throughout the country, young people buy his or her tapes. Some of the money from these tapes comes to the singer. Wherever the singer goes, all the young people want to meet him or her. Now the singer has become a national star.

     Besides pop music, there are two other kinds of music that is important to Americans. One is called

folk music. It tells stories about the common life of Americans. The other is called western or country

music. This was started by cowboys who would sing at night to the cows they were watching. Today,

any music about country life and the love between a country boy and his girl is called western or country

music.

1. According to the passage, most of the car radio broadcast is ________.

A. sports        

B. the weather      

C. politics    

D. music

2. How many kinds of music are mentioned in the passage?

A. Three.     

B. Four.         

C. Five.    

D. Six.

3. What's the best title of the passage?

A. Music in America        

B. Music Listeners

C. Cowboys in America       

D. International Language

判断题