问题 解答题

写一写.

(1)2009年我国生产原油146000000吨,把横线上的数改写成用“亿”作单位的数,再保留一位小数.

(2)人类的遗传物质DNA是很长的链,最短的22号染色体也长达30000000个核苷酸,把横线上的数改写成以“万”为单位的数.

答案

(1)146000000吨=1.46亿吨≈1.5亿吨;

(2)30000000=3000万;

故答案为:1.46亿,1.5亿,3000万.

完形填空
完形填空。
     A young officer (军官) was at railway station. He was on his  1  to visit his mother in another town,
and he wanted to  2  her to tell her the time of his  3  , so that she could  meet him at the station  4  her
car. He looked in all his pockets but found that he did not have the right money for the telephone, so he
went outside and looked  5  for someone to  him.
     At last an old soldier came by, and the young officer stopped him and said, "Have you  7  change (零钱) for ten pence?" "  8  ," the old soldier answered, and put his hand into his pocket. "I'll see whether I
can help you."
     "Don't you know  9  to speak to an officer?" The young man said angrily. "Now 10 start again. Have
you got change for ten pence?"
     "No, sir!" The old soldier answered angrily.
( )1.A. bus      
( )2.A. telephone
( )3.A. train    
( )4.A. by        
( )5.A. out      
( )6.A. see      
( )7.A. made      
( )8.A. Excuse me   
( )9.A. how      
( )10.A. will you
B. way              
B. find              
B. bus              
B. in                
B. around            
B. watch            
B. found            
B. All right        
B. what              
B. would you like to     
C. line      
C. meet      
C. ship      
C. with      
C. at        
C. help      
C. borrowed          
C. Sorry    
C. when      
C. let's    
D. telephone            
D. get                  
D. way                  
D. to                  
D. up                  
D. give                
D. got                  
D. Wait a moment               
D. why                  
D. you should better  
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