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问题 单项选择题

在10和1000之间有多少个数是4的倍数

A．246
B．248
C．250
D．252

答案

参考答案：B

解析： 方法一，在10～1000之间，4的最小倍数是12，最大倍数是1000，因此可以将所有4的倍数看a1=12，an=1000，公差为4的等差数列，即有an=a1+(n-1)×4，解得n=248，选B。
方法二，1000÷4=250，则1000以内的4的倍数有250个，但10以内的4的倍数有两个，则在10和1000之间有250-2=248个数是4的倍数。

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     One famous artist Sheikh went back to his hometown. He hadn't seen one of his friends for many
years, who was a __1__and needy man. When Sheikh asked about him, he was told by people that the
man he was asking about was a rich man and no longer poor. Sheikh__2__to pay a visit to his friend.
     While talking with his friend, Sheikh asked him the__3__for the change in his situation. The man
replied that he had been so poor that he was forced to__4__some properties(财产)that belonged to
him, like furniture(家具). By selling these things, he had collected some money enough to start a__5__
with.
     As he was on his way back to his house with the__6__,  he saw a poor lady__7__by the road. The
man asked the lady the reason, and she__8__that her husband died and her children were hungry.
Hearing this, the man felt__9__for her, and on seeing that she__10__the money more than himself, he
gave all the money to her. He__11__home and spent the night sad and__12__for his family.
     The next morning, surprisingly he was summoned(召唤) to the house of a rich man. He was told by
the rich man that he had six thousand bags of__13__which he wanted to sell quickly and the man could
buy it at a__14__price on loan(借用) from him. The poor man did so and sold the rice__15__. He took
some more bags several days later and in this way he was able to make much more money. Soon he
became rich.

( )1. A. clever    
( )2. A. decided  
( )3. A. message  
( )4. A. sell      
( )5. A. travel    
( )6. A. money    
( )7. A. crying    
( )8. A. believed  
( )9. A. sadness  
( )10. A. took    
( )11. A. drove    
( )12. A. worried  
( )13. A. rice    
( )14. A. low      
( )15. A. slowly   		B. rich      
B. forgot    
B. reason    
B. make      
B. business  
B. news      
B. walking  
B. explained
B. interest  
B. needed    
B. returned  
B. pleased  
B. meat      
B. fair      
B. quickly   		C. lazy        
C. refused    
C. time        
C. keep        
C. family      
C. hope        
C. sleeping    
C. shouted    
C. shame      
C. owned      
C. left        
C. excited    
C. vegetables  
C. high        
C. hardly      		D. poor          
D. tried          
D. plan          
D. find          
D. lesson        
D. furniture      
D. standing      
D. imagined      
D. pity          
D. earned        
D. stayed        
D. frightened    
D. clothes        
D. right          
D. finally        
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选择题

“如果人人都献出一点爱，世界将变成美好人间”。当你成年后，为挽救他人的生命献血奉献爱心，献出的血缓缓地输入患者的手臂静脉时，你认为下面的表述哪一项是正确的?

A．你和患者是同型血的可能性很大

B．如果病重依然坚持献血，更值得提倡

C．血液输入患者手臂静脉后，经过上腔静脉，直接到达左心房，进入左心室。参与血循环

D．你献出的血将在患者的体内，伴陪一生，温暖一辈子

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