There is not very much experimental data ______ a decision b

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There is not very much experimental data ______ a decision between the two possibilities.
On which to base
B. which is based on
C. To base on which
D. to be based on

选D
首先这是一个定语从句,中心语是data,同时data在从句中做base on的宾语所以可以省掉which,而且data 是“被根据”用被动态.而且用不定式表示“将要”的概念,所以选D

There is not very much experimental data ______ a decision b their home is on a ______(noise)street.there is not much tra She is ______ than he is A much outgoing B very more outgoin This is a very quiet street.There's__ traffic here.A.much B. There is not (a)much (b)news in today’s (c)paper,is (d)it?迷惑 The question is not easy.It’s very ______.A.not difficult B. he is very poor ,he do not have_____money.A many B much C li He is not ( ) alone in doing so. A very B much C well D good There is very _ hope that she will pass the exam.A.much B.li There is___plant life ___lightning.A.not;without.B.not much; there is not ( ) much oil ( ) can be given out.A so that B m 英语翻译Is not a joke,I have made the worst decision!There are o