It is the idea____smiles can get rid of cold ____has been proved by the research

It is the idea____smiles can get rid of cold ____has been proved by the research

题型:不详难度:来源:
It is the idea____smiles can get rid of cold ____has been proved by the researchers many times.  
A.which; whichB.that; thatC.that; whichD.which; that

答案
B
解析
第一that引导的同位语从句; 第二个that为强调句型的引导词that。
举一反三

In my opinion, all Mr White ____ good to his students in his class at present. He is very strict in their study.
A.does does doesB.does did doC.does does doD.did do does

题型:不详难度:| 查看答案

    --- Yes. It is in the reading material ____ we ____ reading yesterday.
A.that; didB.that; wereC.when; wereD.when; did

题型:不详难度:| 查看答案
They gave us so warm a welcome that we were moved very much. It was a
sight__________ we__________.
A.what;have never forgottenB.which; wre never forgotten
C.as ;will never forgetD.that; would never forget

题型:不详难度:| 查看答案
I just don"t understand_____________ that prevents so many Americans from
being as happy as one might expect.
A.why it doesB.what it does
C.what it isD.why it is

题型:不详难度:| 查看答案
It is only when you nearly lose someone ____________ you fully realize how much you value him.  
A.doB.thenC.willD.that

题型:不详难度:| 查看答案
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