Be careful when you open an unknown document. It might contain the deadly virus which
could entirely ______ your computer system in a minute.   
[     ]

A. break down    
B. crash    
C. block out  
D. dissolve

---My goodness! I failed again in the computer test.   
---________. The world is not at an end.   
[     ]

A. Look up    
B. Pick up    
C. Cheer up    
D. Keep up

I don’t clearly remember who _____ the question whether it is good for children _______ by their
grandparents but I clearly remember it ______ a heated discussion.
A. brought up; to be brought up; brought about  
B. raised; to be raised; brought out   
C. brought in; to be brought up; brought up      
D. brought up; to be raised; brought up
Not believing their eyes, the visitors on the spot_______ the flying plane, doing some most difficult
and dangerous tricks in the sky.
[     ]

A. glared at
B. stared at
C. glanced at
D. caught sight of

Since there was no way out, the robber decided to _______on his luck to see if he could run away.   
[     ]
A. make a chance    
B. take chance    
C. take a chance  
D. try a chance
The early settlers in the jungle didn't have such advanced equipment _____ we have today to fight
against natural disasters and many a time they _____ despair(绝望) but they survived somehow.
[     ]
A. that; got close to  
B. as; got near to  
C. that; were close to  
D. as; got close to
The dull wetland _____ the moment the first ray of sunlight shines on it. Thousands and thousands
of creatures living in it wake up and begin their life of a new day.     
[     ]
A. stays alive
B. begins to live  
C. makes a living  
D. comes to life
People who ______ athletic sports are generally believed to _____ strong bodies, firm muscles but
dull heads, which of course is not the case.      
[     ]
A. take part in; be  
B. like; be
C. join ;  have  
D. go in for; have
The island country is _______ its clean waters and clear skies, which are free _____ pollution of
any kind.     
[     ]
A. well known to; of  
B. famous for; for    
C. well-known for; of    
D.  famous as; from
Whether you liked it or not, you shouldn't have ___ to your mother when she was talking to you.
[      ]
A. turned back  
B. turned down your back  
C. turned your back  
D. turned your back away
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