You can’t appreciate happiness _______ you have known sadness too.A.becauseB.whe

You can’t appreciate happiness _______ you have known sadness too.A.becauseB.whe

题型:不详难度:来源:
You can’t appreciate happiness _______ you have known sadness too.
A.becauseB.whenC.thoughD.unless

答案
D
解析
考查连词用法。句意为除非你知道悲伤,你就不能感激幸福。unless =" if" not
举一反三
______ the students found the soldier’s idea interesting, the system was too difficult to be of practical use.
A.WhileB.UnlessC.As soon asD.Even if

题型:不详难度:| 查看答案
What some Chinese parents understand is that nothing is fun  _______  their children are fond of it.
A.afterB.whenC.ifD.unless

题型:不详难度:| 查看答案
The businessman is very modest about his success. He says it’s _____ the result of good luck as of his own diligence.
A.more than B.so much C.moreD.as much

题型:不详难度:| 查看答案
Is it the fact ____ he hasn’t turned in his research report?
A.whetherB.thatC.whichD.why

题型:不详难度:| 查看答案
In some places women are expected to earn money ______ men work at home and raise their children.
A.butB.whileC.becauseD.though

题型:不详难度:| 查看答案
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