Three hundred firemen raced to the hotel after a smoke detector________the alarm

Three hundred firemen raced to the hotel after a smoke detector________the alarm

题型:同步题难度:来源:
Three hundred firemen raced to the hotel after a smoke detector________the alarm soon after midnight.[      ]
A. set off 
B. set out
C. give away  
D. give off
答案
A
举一反三
People have planted a great many trees in order to ________ wind and sand in the desert.  [     ]
A.hold down  
B.hold up
C.hold back  
D.hold out
题型:同步题难度:| 查看答案
The idea puzzled me so much that I stopped for a few seconds to try to________.[     ]
A. make it out  
B. make it off
C. make it up  
D. make it over
题型:同步题难度:| 查看答案
Men and women can ________ people from all over the world by sending and receiving
electronic mail.[     ]
A.agree with  
B.communicate with
C.communicate to  
D.write to
题型:同步题难度:| 查看答案
Although lots of people were watching around,none of them ________.  [     ]
A.was offered to help  
B.was offering help
C.offered helping  
D.offered to help
题型:同步题难度:| 查看答案
The man sitting in the front row________and stared at us when we made such much noise.[     ]
A. turned out  
B. turned round
C. turn back  
D. turned to
题型:同步题难度:| 查看答案
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