计算:(-1)2008=______.

题型:填空题

问题:

计算:(-1)2008=______.

考点:有理数的乘方
题型:填空题
完形填空。
     Some people say they have an answer to the problems of car crowding and
pollution. In many cities, hundreds of people ride bikes to work every day. In
New York City, some bike riders have even  1  a group: Bike for a Better City.
They say if    2   people rode bikes to work, there would be fewer cars and
less dirty air.
    For several years this group has tried to get help for bike riders. They want
to have special roads for bikes only, because when bike riders must use the
same roads 3  cars, there may be accidents. Bike for a Better City feels if there
were bike roads, more people would use bikes.
     But  4  bike roads have been ready yet. Not everyone thinks it is a good5  .
Divers don't like it, and some shop owners don't,  6    . And most people live
7  far from the city to travel by bike. Still, 8   has been done about it. On
Saturdays and Sundays, the largest open park in New York is 9  to cars, and
the roads may be used by bikes only, but the group still says this is not enough
and goes on fighting  10  bike roads.  
( ) 1.  A. found    
( ) 2.  A. fewer  
( ) 3.  A. as    
( ) 4.  A. no      
( ) 5.  A. hope     
( ) 6.  A. so       
( ) 7.  A. very      
( ) 8.  A. everything
( ) 9.  A. closed  
( ) 10.A. get    
B. founded  
B. less      
B. like      
B. only      
B. way      
B. both      
B. quite    
B. something
B. open      
B. to get    
C. made    
C. many    
C. besides  
C. some    
C. some    
C. neither  
C. too      
C. anything
C. opening  
C. ask      
D. looked for  
D. more        
D. on          
D. on          
D. idea        
D. either      
D. so          
D. nothing    
D. closing    
D. to ask      
题型:填空题

下列物质中不能用于漂白或脱色的是()。

A.氯水

B.二氧化硫

C.活性炭

D.硫化氢

题型:填空题

小明晚上6:40开始做作业,经过1小时30分做完。他做完作业是[ ]

 A.7时10分    

 B.8时10分    

 C.20时10分

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下述哪类病人硬膜外阻滞后血压下降幅度最大()

A.产妇

B.子宫肌瘤病人

C.高血压病人

D.肥胖病人

E.糖尿病病人

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扳道员清扫道岔时,应注意哪些安全事项?

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