A successful scientist needs _____ if he wants to make hypothesis (假设) of how processes work and how events take place.

试卷相关题目

• 1Reagan was elected ______ of the United States in 1981.

  A.a president

  B.president

  C.the president

  D.as president

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• 2I found her sitting in the corner, reading _____ newspaper, with _____ in her eyes.

  A.a ,tear

  B.a piece of ,tears

  C.a ,tears

  D.a piece of ,tear

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• 3The _________ from the top of the tower was very wonderful.

  A.sight

  B.view

  C.scene

  D.scenery

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• 4Scientists study _______ human brains work to make computers.

  A.when

  B.how

  C.that

  D.whether

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• 5Have a ______ of these apples. They are sweet and delicious.

  A.look

  B.taste

  C.smell

  D.feel

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• 6Over years, scientists have made a great _____in the treatment of cancer

  A.break-in

  B.breakthrough

  C.breakup

  D.breakdown

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• 7You will find the map of great ____ especially when you get lost in a strange place

  A.price

  B.cost

  C.value

  D.count

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• 8How wonderful! The ______is made of _______.

  A.house ,glass

  B.house ,glasses

  C.houses ,glass

  D.houses ,glasses

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• 9Reducing the gap between the rich and the poor is one of the main ________ meeting the government.

  A.alarms

  B.stresses

  C.pressures

  D.challenges

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• 10I had only a few ________ with Miss Gao, though we work in the same school.

  A.laughter

  B.handshakes

  C.amusement

  D.contacts

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