In our class, when the bell rang and the  teacher closed his book, it was a ____

In our class, when the bell rang and the  teacher closed his book, it was a ____

题型:同步题难度:来源:
In our class, when the bell rang and the  teacher closed his book, it was a ____ for everyone to 
 stand up.   [     ]
A. signal      
B. chance        
C. mark      
D. measure
答案
A
举一反三
One minute she burst into _____ and the next burst out  ____ . We just couldn"t catch her mood
at any moment.   [    ]
A. crying; laughter              
B. tears; laughing  
C. tears; laughter                
D. crying; laughing
题型:同步题难度:| 查看答案
Pollution  ____ more people living in today"s society  than it did in previous years. [     ]
A. brings        
B. efforts    
C. affects    
D. effects
题型:同步题难度:| 查看答案
So hard was the woman"s life, but to her _____ , her only son was admitted to a top 
university last year.    [     ]
A. surprise                      
B. relief    
C. astonishment                  
D. disappointment
题型:同步题难度:| 查看答案
We should pay special attention to the  ___of    environment on human beings.     [     ]
A. affect        
B. effect        
C. result      
D. outcome
题型:同步题难度:| 查看答案
His broken legmeans the  ____  of all his hopes of becoming a famousathlete.    [     ]
A. miss    
B. ruin    
C. loss    
D. death
题型:同步题难度:| 查看答案
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