问题 不定项选择题

下列叙述错误的是 [ ]

A.合金材料中可能含有非金属元素

B.人造纤维、合成纤维和光导纤维都是有机高分子化合物

C.加热能杀死流感病毒是因为病毒的蛋白质受热变性

D.在汽车排气管上加装“催化转化器”是为了减少有害气体的排放

答案

答案:B

完形填空
完形填空。
      Do you often think of your parents? You may say, "Of course, I     1    .I buy a present for my
mother on Mother’s Day and on Father’s Day I give my father     2   , too.” But what about the
other days of the year ?
     I have a friend whose parents live in another city. One day 1 went to see her. We had a nice
conversation. Then she wanted to      3     . So she dialed(拨号) the number, but then she put down
the phone. After about fifteen      4     , she dialed the number again “Hi, Mom…
(      )1. A. will        
(      )2. A. a cake      
(      )3. A. make a call
(      )4. A. seconds    
(      )5. A. How        
(      )6. A. fast        
(      )7. A. little      
(      )8. A. always      
(      )9. A. bad        
(      )10. A. think of  
B. do          
B. a kiss      
B. pay a visit
B. minutes    
B. What        
B. slow        
B. quick      
B. never      
B. clever      
B. look after  
C. won’t    
C. some money
C. have a rest
C. hours      
C. Why        
C. healthy    
C. no        
C. seldom    
C. good      
C. call up    
D. don’t      
D. a present    
D. go for a walk
D. days          
D. When          
D. careless      
D. enough                                  
D. sometimes    
D. sick          
D. 1isten to    
选择题