________ regular exercise is very important, it"s never a good idea to exercise

________ regular exercise is very important, it"s never a good idea to exercise

题型:同步题难度:来源:
________ regular exercise is very important, it"s never a good idea to exercise too close to bedtime.[     ]
A. If  
B. As
C. Although  
D. Unless
答案
C
举一反三
Jack wasn"t saying anything, but the teacher smiled at him ________ he had done something very clever.[     ]
A. as if  
B. in case
C. while  
D. though
题型:同步题难度:| 查看答案
He had no sooner finished his speech ________ the students started cheering.[     ]
A. since  
B. as
C. when  
D. than
题型:同步题难度:| 查看答案
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
题型:同步题难度:| 查看答案
Frank insisted that he was not asleep ________ I had great difficulty in waking him up.[     ]
A. whether  
B. although
C. for  
D. so
题型:同步题难度:| 查看答案
As is reported, it is 100 years ________ Tsinghua University was founded.[     ]
A. when  
B. before
C. after  
D. since
题型:同步题难度:| 查看答案
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