After years of research, he found the key ____ differences between species.

试卷相关题目

• 1When questioned by the police, Daniels denied all ______ of the events and refused to cooperate.

  A.motivation

  B.response

  C.knowledge

  D.association

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• 2One advantage of living on the top floor of a high rise is that you can get a good______of the city.

  A.sight

  B.scene

  C.view

  D.scenery

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• 3There might be life on other planets, but so far scientists haven't found enough _____ to prove it.

  A.evidence

  B.relic

  C.mystery

  D.reception

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• 4Our school has an absolute _______ over others, for we have the most hardworking teachers and students.

  A.profit

  B.benefit

  C.advantage

  D.effect

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• 5Selig formally announced on Thursday his intention to retire in January 2015. “It remains my great______to serve the game I have loved throughout my life.” he said.

  A.contribution

  B.pattern

  C.competition

  D.privilege

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• 6It takes time to build ______ when you are learning a difficult skill.

  A.confidence

  B.strength

  C.energy

  D.belief

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• 7--Why do you choose to work in an international travel agency? ---Well, you know, English is my ________. So it is my best choice.

  A.strength

  B.talent

  C.ability

  D.skill

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• 8There is an obvious _______ between children spending too much time playing computer games and their bad grades at school.

  A.possibility

  B.connection

  C.chance

  D.cause

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• 9—Hi,Magarette! You are in perfect ______ . —I always do exercise to keep fit.

  A.situation

  B.position

  C.occasion

  D.condition

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• 10— This second-hand table cost me only $10. — It was a real ______. Where did you buy it?

  A.trade

  B.business

  C.bargain

  D.price

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