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问题 解答题

一个底面周长是6.28厘米的直圆柱量杯盛有半杯水，当把一个铅球浸在杯里时，杯中水的高度由15厘米上升到17厘米，请问这个铅球的体积是多少？

答案

6.28÷3.14÷2=1（厘米），

3.14×12×（17-15），

=3.14×1×2，

=6.28（立方厘米），

答：这个铅球的体积是6.28立方厘米．

完形填空
完形填空。
     Rick goes to Boston ___1___ a meeting. The meeting is in Prince's Building on ___2___ Street,
and Rick wants to be there on time. However, it is Rick's first time to visit the city, ___3___  he doesn't
know his way around. When he sees an old couple sitting on a bench, he goes up to ask for ___4___.
The couple kindly tell Rick to ___5___ the underground and to get ___6___ at Prince Station. Rick
follows their direction, gets off at Prince Station and walks east for two blocks. An hour later, he is
disappointed (失望的) to find that he is ___7___  41st Street, not 44th Street. The ___8___  misheard
(听错) him and gave him the ___9___  direction. Another hour later, when a policeman takes him back,
he sees the old couple again. They are still ___10___ on the bench, right in front of Prince's Building.
( )1. A. of  
( )2. A. 4th
( )3. A. so
( )4. A. time
( )5. A. go
( )6. A. on    
( )7. A. up      
( )8. A. man    
( )9. A. right  
( )10. A. eating 		B. for
B. 41st
B. because
B. meeting
B. leave    
B. off      
B. down  
B. woman    
B. wrong    
B. talking  		C. at  
C. 45th     
C. but      
C. direction  
C. get  
C. to      
C. on     
C. policeman  
C. old     
C. playing    		D. in        
D. 44th      
D. or        
D. bus      
D. take      
D. up        
D. to        
D. old couple
D. new      
D. sitting  
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单项选择题


以下提供若干个病例，每个病例下设若干道考题。请根据答案所提供的信息，在每一道考题下面的，A、B、C、D、E五个备选答案中选择一个最佳答案。

男，30岁。以发热、头痛、呕吐5d为主诉入院。查体：面色苍白，前胸部可见散在红色斑丘疹，肝脏肋下可触及。

在没有任何实验室检查结果时，应首先考虑的诊断是

A．伤寒

B．斑疹伤寒

C．急性肝炎

D．流行性出血热

E．败血症
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