--- Do you know the reason _________ pilots turn off the plane’s lights before t

--- Do you know the reason _________ pilots turn off the plane’s lights before t

题型:不详难度:来源:
--- Do you know the reason _________ pilots turn off the plane’s lights before taking off?
---The practice is for the passengers to adjust to the dark _________ an emergency.
A.why; for fear that B.for which; in case of
C.how; for fear ofD.that; in case

答案
B
解析

举一反三
This is a very interesting book.I’ll buy it,           .
A.how much may it costB.it may cost
C.however much it may cost D.how may it cost

题型:不详难度:| 查看答案
The photo was taken ______ stood the famous Bird’s Nest in Beijing during the Olympics.
A.whichB.in whichC.whereD.there

题型:不详难度:| 查看答案
You should report any incident, _____ serious or minor it is.
A.whatB.howC.whetherD.However

题型:不详难度:| 查看答案
— That boy enjoys drawing very much.
—____, I have never seen anyone else who is as enthusiastic about drawing as he is.
A.As long as I have traveledB.Traveled so much as I have
C.As I have traveled so muchD.Much as I have traveled

题型:不详难度:| 查看答案
—Sir, can I pass the examinations this time?
—That depends on    you work hard enough or not.
what  B. that  C. whether  D. how
题型:不详难度:| 查看答案
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