the word “seaboard” in the passage means __________.
A.coast    
B.ocean  
C. populated area     
D.none of the answers

According to the article, why does the insect invasion last only a few months?
A.Because people kill insect  
B.because insects go back underground.
C.because the sunlight kills them. 
D.None of the answer

What is the main topic of the passage?
A.the life cycle of the cicadas       
B.The reproductive behavior of cicadas
C.The aria in which cicadas live     
D.The period in which cicadas live

________(44)
A.Recommends
B. commands     
C.orders             
D.wants

According to _______ surveys, the majority of Britons are in favour of the monarchy       
A.the most     
B.most
C.most of   
D. the most of

A.petroleum 
B.mausoleum  
C. umbrella 
D.oasis

A.America     
B.communicate    
C.interpreter
D.businessman

A.chemist      
B.chaos   
C.technology  
D.chore

A.discuss 
B.pressure  
C.pessimist 
D.impossible

A.condition    
B. policeman   
C.introduction    
D.product