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

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• 1I bought a dress for only 10 dollars in a sale ;it was a real _______.

  A.exchange

  B.bargain

  C.trade

  D.business

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• 2We have every reason to believe that our business has shown a(n) ____ to improve.

  A.direction

  B.tendency

  C.aspect

  D.effect

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• 3It's the __________ in the west to open a present when someone gives __________ to you.

  A.custom, one

  B.habit, one

  C.bobby, it

  D.favour, it

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• 4The _____ as one travels by boat along the Changjiang Three Gorges is fantastic.

  A.scene

  B.view

  C.scenery

  D.sight

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• 5The meetings are very short, so there is little _____ to have a real discussion.

  A.challenge

  B.change

  C.chance

  D.chapter

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• 6Never judge a man by his _____ alone — you might be fooled by what he looks like.

  A.character

  B.appearance

  C.intelligence

  D.application

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• 7In those days our primary ______ was to provide people who were trapped in the snowstorm with food and healthcare.

  A.anxiety

  B.concern

  C.incident

  D.doubt

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• 8People who are infected with HIV are often looked down upon because social _____ against the disease runs so deep.

  A.preference

  B.conflict

  C.prejudice

  D.status

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• 9We will be given a(n)_____ to ask questions at the end of the lecture.

  A.presentation

  B.explanation

  C.opportunity

  D.possibility

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• 10The goods are of good _________.

  A.quantity

  B.qualities

  C.quality

  D.quantities

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