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问题 选择题

室温时，将NaNO3和KCl两种饱和溶液混合后无晶体析出，加热蒸发过程中，首先析出的晶体是（20℃时NaNO3、KCl、NaCl、KNO3的溶解度分别是：87g、35g、36g、31.6g）（　　）

A．NaNO3

B．NaCl

C．KCl

D．KNO3

答案

答案：B

完形填空
完形填空。

      One Saturday afternoon,my daughter Alice asked me, "Are all people the same even if the yare different
in color?"
      I thought for a minute,and then I said, "I'll explain, if you can just wait until we make a quick    1    in
the supermarket. I have something    2    to show you."
      In the supermarket, we bought some apples-red, green and yellow ones. Back home, I told Alice, "It's
time to    3    your question." I put one apple of each type on the table. Then I looked at Alice, who had a 
   4    look on her face.
      "People are like apples. They come in all different colors, shapes and sizes. On the outside,some of the

 apples may not    5    look as the others." As I was talking, Alice was    6    each one carefully. 
      Then, I took each of the apples and peeled (削皮) them, placing them back on the table, but on a
different place. 
      "Okay, Alice, tell me which is which." 
       She said, "I    7    tell. They all look the same now." "Take    8    of each one. See if that helps you
decide which one is which." 
       She took big bites,and then a huge smile came across her face, "People are just like apple! They are all
different, but once you     9    the outside,they're pretty much the same on the inside." 
       She totally   10   it, I didn't need to say or do anything else.

( )1. A．stop     
( )2. A．pleasant 
( )3. A．check    
( )4. A．worried  
( )5. A．still    
( )6. A．examining
( )7. A．mustn't 
( )8. A．a bite   
( )9.  A．put away 
( )10. A．made      		B．start            
B．encouraging    
B．mention         
B．satisfied        
B．even           
B．picking         
B．can't           
B．a deep breath  
B．get down        
B．took            		C．turn       
C．unusual  
C．answer       
C．proud      
C．only      
C．drawing      
C．shouldn't   
C．a break   
C．hand out    
C．got       		D．stay              
D．interesting      
D．improve             
D．curious          
D．ever              
D．packing             
D．needn't            
D．a close look    
D．take off          
D．did           
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选择题

从我国年降水量的分布规律来看，下列省区中降水量最多的是

A．陕西

B．福建

C．新疆

D．湖北
查看答案