— Many species are in danger of dying out because of a________of habitat.— I couldn't agree more.We must take action for them as well as for ourselves.

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• 1Scientists found that young babies learn to do things because certain acts lead to________.

  A.rewards

  B.prizes

  C.awards

  D.results

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• 2— Lucy, look!I bought this MP4 for only two hundred yuan.— Really?You got a wonderful________.

  A.offer

  B.price

  C.bargain

  D.deal

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• 3As we all know, no one is perfect, and everyone has his own________.

  A.mistake

  B.weakness

  C.limit

  D.belief

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• 4Before the final examination, many students have shown________of tension.Some have trouble in sleeping while others have lost their appetite.

  A.signs

  B.marks

  C.anxiety

  D.remarks

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• 5More and more people choose to shop in a supermarket as it offers a great________of goods.

  A.variety

  B.mixture

  C.extension

  D.combination

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• 6The new teacher made a good ________ on the students by her rich knowledge and humorous talk.   

  A.sense

  B.expression

  C.impression

  D.effect

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• 7Sir, you are not allowed to enter the building if you don't get our manager's________.

  A.permission

  B.connection

  C.instruction

  D.introduction

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• 8When he applied for a(n) ______ in the office of the local newspaper，he was told to see the manager.

  A.location

  B.profession

  C.affection

  D.position

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• 9His first novel was ________ , and he hasn't written anything decent since.     

  A.a flash in the pan

  B.the flash in the pan

  C.in a flash

  D.like a flash

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• 10AIDS control and prevention is  a  ________ to China as well as the whole world.    

  A.surprise

  B.challenge

  C.reaction

  D.threat

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