280里面有______个4;280的4倍是______.

题型:填空题

问题:

280里面有______个4;280的4倍是______.

考点:认识乘法
题型:填空题
完形填空。
     He lost his arms in an accident. Since then, he has had to depend on his   1   brother. In order to
  2    him, his younger brother became his shadow (影子), never leaving him   3   for years. Except for
writing with his   4  , he was completely unable to do anything in his life.
     As the two brothers   5   together, then one day, his younger brother had to work far from him, living
his own life, as many normal people do. So he was heart-broken and didn't know   6   to do.
     A similar misfortune (不幸) happened to a girl,   7  . One night her mother disappeared after arguing
with her father. So her father went out looking for her mother,   8   her alone at home. She tried to
prepare meals for her parents, but only to catch a big fire,   9   took her hands away.
     10  her elder sister who was studying in another city, showed her willingness to help her, she made up
her mind to be completely independent (独立的). At school, she always studied hard. she learned to be
self-reliant (自理).
( )1.A. younger  
( )2.A. look for
( )3.A. alone    
( )4.A. hands    
( )5.A. went up  
( )6.A. what    
( )7.A. instead  
( )8.A. staying  
( )9.A. where    
( )10.A. Because
B. young      
B. look at    
B. lonely      
B. arms        
B. brought up   
B. how        
B. too        
B. leaving    
B. which      
B. Though      
C. elder        
C. take care of                         
C. along        
C. toes          
C. grew up      
C. where        
C. either        
C. saying        
C. when          
C. As            
题型:填空题

质量为1200kg的小轿车,如图所示.每个轮胎与地面的接触面积为200cm2(g取10 N/kg) 求:

(1)小轿车受到的重力;

(2)小轿车对水平地面的压强.

题型:填空题

广义积分等于().

A.π/2

B.π/3

C.π/4

D.∞

题型:填空题

多媒体技术今后的发展方向()

A.分布式多媒体系统

B.视频会议系统

C.多媒体通信

D.计算机支持协同工作

题型:填空题

六级伤残的一次性伤残补助金为()

A、24个月本人工资

B、22个月本人工资

C、20个月本人工资

D、14月本人工资

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