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题目
题型:不详难度:来源:
      ---What are you busy with ?
--- We are carrying out a research ____ the causes of cancer.
A.intoB.ontoC.toD.in

答案
A
解析
考查介词:do/carry out research into/on对…做研究,句意:--你在忙什么?--我们在做一个关于癌症原因的研究。选A。
核心考点
试题【      ---What are you busy with ?--- We are carrying out a research ____ the cau】;主要考察你对介词和介词短语等知识点的理解。[详细]
举一反三
   They treated her very well _______one of the family members.
A.likeB.asC.as ifD.seems

题型:不详难度:| 查看答案
  After he won all the money they treated him ______a king.
A.likeB.asC.as ifD.seemed

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   – Look! What are those boys doing ______ the table?
---Well, they are playing cards.
A.onB.aroundC.underD.beside

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   –Excuse me, Madame. Is this plane _____take off soon?
---Oh, yes. In five minutes.
A.about toB.starting toC.beginning toD.to

题型:不详难度:| 查看答案
   Standing on top of the mountain, we watched the sun ____ the horizon.
A.sink belowB.sinking underC.sinking belowD.sink under

题型:不详难度:| 查看答案
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