问题 单项选择题

可用来制作玻璃钢,配制涂料,浇铸电器设备,还可用做黏结剂或浇灌材料等的缩合类树脂和塑料是()。

A.环氧树脂(EP)

B.脲醛树脂(UF.

C.三聚氰胺甲醛树脂(MF.

D.不饱和聚酯(UP)

答案

参考答案:A

阅读理解

阅读理解。

     Jack London is a famous American writer. He was born on January 12, 1876, in San Francisco,

California. His family was very poor, and Jack had to leave school to make money. He worked hard

in many different jobs.

     Later, Jack returned to school, but he didn't stay there. In 1897, he went to Alaska to find gold. He

didn't find any gold (金). Instead(代之的), he found ideas for his books and stories. He returned home

and started to write. His writings were successful(成功的), and he became rich (富有的) and famous in

his twenties.

    Jack London was not a happy man. In poor health, he took his own life in 1916. He was only 40

years old.

1. Why did Jack London leave school when he was still a boy?

A. Because he had a poor family          

B. Because he didn't like to go to school

C. Because his father was a very bad man 

D. Because he was too young to go to school

2. How old was Jack London when he went to Alaska?

A. Eighteen years old            

B. Twenty-one years old

C. Twenty-four years old        

D. Twenty-three years old

3. What did Jack London find in Alaska?      

A. Gold        

B. Sliver (银)    

C. Material      

D. His friend

4. Why was Jack London famous?

A. For his journey in Alaska            

B. For his hard work

C.  For his writings                  

D. For his wealth

5. What does "he took his own life" mean?      

A. He lived a poor life    

B. He enjoyed his life  

C. He died  

D. He killed himself

多项选择题