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题目
题型:同步题难度:来源:
A new survey shows that 54 percent of Americans do not take prescription medicines ________
though they are important to their health. [     ]
A. as they instruct  
B. as were instructed
C. as to be instructed  
D. as instructed
答案
D
核心考点
试题【A new survey shows that 54 percent of Americans do not take prescription medicin】;主要考察你对连词等知识点的理解。[详细]
举一反三
Frank insisted that he was not asleep ________ I had great difficulty in waking him up.[     ]
A. whether  
B. although
C. for  
D. so
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A. when  
B. before
C. after  
D. since
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If a lot of people say a film is not good, I won"t bother to see it, or I"ll wait ________ it comes out on
DVD.[     ]
A. whether  
B. after
C. though  
D. until
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Mary made coffee ________ her guests were finishing their meal.[     ]
A. so that  
B. although
C. while  
D. as if
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The little boy won"t go to sleep ________ his mother tells him a story.[     ]
A. or  
B. unless
C. but  
D. whether
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