问题 单项选择题

丙烯酰胺为()化合物。

A、结构复杂的大分子

B、结构简单的小分子

C、结构复杂的芳烃

D、结构简单的芳烃

答案

参考答案:B

阅读理解

请仔细阅读短文,将下面五句话还原到文中空白处,并将其标号填入相应的位置。

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

and listen to music before or after class, and at lunch. Students with cars buy large speakers and play

the music loudly as they drive on the street.

     Adult (成年的) drivers listen to music on the car radio as they drive to work. They also listen to the

news about sports, the weather, and the life of American people.    1    

     Pop or popular music singers make much money.    2    Once the popular singer is heard all over the

country, young people buy his or her tape. Some of the money from these tapes goes to the singer.

Wherever the singer goes, all the young people want to meet him or her.    3    

     There are other kinds of music that are important to Americans. One is called folk (民间) music.

It tells stories about the common life of Americans.    4    This is started by cowboys (牛仔) who would

sing at night to the cows they were watching.    5    

A. Now the singer has become a national star.

B. They make a CD or tape which radio stations use in many places.

C. Another is called western or country music.

D. Most of the radio programmes are music.

E. Today, any music about country life and the love between a country

    boy and his girl is called western or country music.

1._____ 2._____ 3._____ 4._____ 5._____

单项选择题