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题型:同步题难度:来源:
Black holes can not be seen directly, so determining the number of them is a___________ task.   [     ]
A. rough  
B. strict  
C. tough  
D. firm
答案
C
核心考点
试题【Black holes can not be seen directly, so determining the number of them is a____】;主要考察你对形容词等知识点的理解。[详细]
举一反三
Compared with his sister, Jerry is even more___________ to, and more easily troubled by, emotional
and relationship problems. [     ]

A. sceptical        
B. addicted  
C. available        
D. sensitive

题型:同步题难度:| 查看答案
After months of overworking, she was suffering from __________and physical exhaustion.   [     ]
A. mental          
B. medical  
C. fatal              
D. psychological
题型:同步题难度:| 查看答案
In those days, our _____ concern was to provide people who were stopped by the snow storm with
food and health care. [     ]
A. normal    
B. constant  
C. permanent    
D. primary
题型:同步题难度:| 查看答案
A lot of small companies have to fight for _____ in such economic climate.   [     ]
A. survival                  
B. survivor  
C. survive                
D. exist
题型:同步题难度:| 查看答案
When the shy girl couldn"t answer the teacher"s questions, she felt _____ and uncomfortable.    [     ]
A. tough        
B. awkward
C. sceptical    
D. curious
题型:同步题难度:| 查看答案
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