1.Only when the research has been carried out______whether t

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1.Only when the research has been carried out______whether the drug has a side effect on human body.
A.we decide B.we will decide C.did we decide D.will we decide
2.It was not until ge explained the reason _____we realized that we had misunderstood him
A.why B.which C.that D.whether
3.-Chemistry can help solve the pollution .What about math?
-_______.But you must admit that we can't study chenmistry without math
A.Never mind B.It's hard to say
C.Cheer up D.Well done.

1.Only 位于句首,很明显是一句倒装句嘛.部分倒装.
when引导的从句不用倒装,主句倒装,所以再根据时态,D.
2.这是一句it is ...that的强调句.
判断句子是不是强调句的方法就是把it is ...that 拿掉,然后看句子是否完整.
很显然It was not until ge explained the reasonwe realized that we had misunderstood him not until ge explained the reason
3.根据句意,所以是B.
-化学能够帮助解决污染,那数学呢?
-这很难说,但是你必须承认我们学习化学离不开数学.
A是不要在意 C是欢呼 D是做的好.

1.Only when the research has been carried out______whether t Much research has been carried out in order to establish the 1.Only when your identity has been checked,______. The research requires more money than has been put in. 翻译：You only learn who has been swimming naked when the tide He is the only one of the students who has been invited to t Only you take the soul has been only when your identity has been checked,后面选什么? 英语翻译An initial investigation has been carried out and the fo 英语翻译SCX –RP has been applied to a great number of research t 英语翻译Only when your research interest is related to machine t 英语翻译The questionnaire has been used in a variety of research