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题目
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A number of tests have been conducted to _________ that these drugs have no side effects.
A.find outB.look forC.make sureD.work out

答案
C
解析

核心考点
试题【A number of tests have been conducted to _________ that these drugs have no side】;主要考察你对动词及动词短语辨析等知识点的理解。[详细]
举一反三
A good idea ______me! Which of the following is Not Right?
A.struckB.occurred toC.came uponD.happened to

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I’ll just _______ your phone number in my book.
A.tear downB.look downC.put downD.turn down

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23.---- He is so unhappy.What let him down?
---- It’s his plans.You can’t imagine what it’s like to feel that all your plans for the future have_____.
A.set downB.turn downC.put downD.broken down

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7.  It is a worldwide custom that the energetic young are _______ for their youth, vitality and creativity.
A.admiredB.looked forward toC.respectedD.looked on

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9.  –You should have apologized to them for not ______ at the party.
--I ________ but they didn’t forgive me anyway.
A.coming up; didB.turning up; didC.showing up; should haveD.appearing; should

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