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题目
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Scientists think they have _____ in their attempt to find the causes of some major dieases.
A.broken throughB.worked outC.fallen outD.got round

答案
A
解析
  本题译文:科学家认为他们在探索某些重要疾病的病因中已取得重大突破。break through(="be" successful after overcoming a difficulty)突破;取得重大成果:Scientists hope to break through soon in their fight against heart disease.(科学家希望在与心脏病斗争中很快取得重大成果。)
核心考点
试题【Scientists think they have _____ in their attempt to find the causes of some maj】;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
During World War II Malta managed to _____ most of Italian and German bombers by throwing up an effective anti-aircraft screen.
A.put outB.shut outC.come acrossD.get across

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He has recently _____ chess to provide himself with some relaxation.
A.taken onB.taken upC.held onD.held up

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John always tries to _____ people who are useful to him professionally.
A.developB.provokeC.correspondD.cultivate

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After a short holiday, he _____ himself once more to his studies.
A.appliedB.convertedC.engagedD.exerted

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Magnificent views over the countryside have often _____ people to write poems.
A.convincedB.inspiredC.inducedD.attracted

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