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问题 单项选择题

开放性气胸现场急救哪项正确

A．给予抗菌素

B．注射破伤风抗毒素

C．迅速封闭伤口

D．吸氧

E．立即清创

答案

参考答案：C

完形填空
完形填空。
     Mrs Green lives in the country (乡村), and she doesn't know London very well. One day, she goes
to London. She can't find her  1 . Just then she  2   a man near a bus stop.
      "I can ask him the way," she says to  3  and asks," Excuse me, will you please  4  me the way to
King Street?" The man smiles with  5  answer. He  6  know English. He speaks Russian. He is a visitor.
Then he  7  his hand into his pocket (口袋),  8  a piece of paper and lets her  9  it. On the paper are
these words, "Sorry, I  10  English.
( )1. A. street        
( )2. A. looks        
( )3. A. herself      
( )4. A. tell          
( )5. A. not          
( )6. A. don't        
( )7. A. puts          
( )8. A. bring out    
( )9. A. to see        
( )10. A. am not speak 		B. way        
B. watches    
B. himself    
B. talk        
B. an          
B. doesn't    
B. takes      
B. take out    
B. look out    
B. don't speak 		C. room        
C. sees        
C. itself                   
C. say        
C. no          
C. isn't      
C. carries    
C. ta kes out  
C. to look out
C. don't say  
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选择题

a、b、c三种物质的溶解度曲线如图所示．取等质量t2℃时的a、b、c三种物质的饱和溶液，分别蒸发等量水后恢复至t2℃．下列说法不正确的是（　　）

A．原饱和溶液中，溶质的质量分数a＞b=c

B．恢复至t2℃时，析出溶质的质量a＞b=c

C．恢复至t2℃时，三种溶液一定都是饱和溶液

D．若继续降温至t1℃，三种溶液一定都是饱和溶液
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