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问题 判断题

物流增值服务就是指独特的或特别的活动，使物流服务的供需双方能够通过共同努力提高效率和效益。

答案

参考答案：对

完形填空
完形填空。

     Most children like    1    TV. TV is very interesting. On TV    2    can learn a lot, and they can see and
know many things    3    their country and the world. Of course, they can    4    over the radio. But they
can learn better and more easily with   5   . Why? Because they can hear and watch at the same time. But
they can't   6    anything over the radio.
      Many children watch TV    7   Saturday or Sunday evenings. They are very busy with their lessons on 
  8   . But a few children watch TV every    9  . They go to bed very late. So they can't have a good   10   .
How about you, my young friend?

(     )1.A.watch
(     )2.A.we    
( )3.A. about   
( )4.A.sing  
( )5.A.radio 
(     )6.A.hear  
( )7.A.in   
( )8.A.weekend
( )9.A.place 
( )10.A.rest

B.to watch
B.you    
B. on    
B.learn           
B.film         
B.like   
B.on   
B.Sunday  
B.time 
B.time 

C.watches 
C.they   
C.at    
C.dance        
C.game   
C.see    
C.to    
C.Saturday 
C.man
C.game     

D.to watching 
D.I                     
D.with                  
D.hear                   
D.TV                    
D.learn                  
D.for                     
D.weekdays            
D.night 
D.meal            
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实验题

有两种混合气体A、B，可能含有氢气、一氧化碳和二氧化碳中的一种或几种，现将它们分别依次通过足量的下表所示物质，试完成下表：

混合气体澄清的石灰水浓硫酸灼热的氧化铜无水硫酸铜澄清的石灰水结论
A无现象 黑色变红色白色变蓝色变浑浊 
B  黑色变红色  CO2，H2
 
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