For as long as three months of a year, the sun _________on the ice-covered land of Alask

试卷相关题目

• 1Genera has increased the number of its employees recently.

  A.Right

  B.Wrong

  C.Not mentioned

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• 2The British government is helping Dr Parton to sell the tests abroad.

  A.Right

  B.Wrong

  C.Not mentioned

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• 3Genera Technologies orders 25 more tests before the end of the year.

  A.Right

  B.Wrong

  C.Not mentioned

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• 4Each of the tests costs $42,500.

  A.Right

  B.Wrong

  C.Not mentioned

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• 5The new product has been a commercial success in the US

  A.A.Right

  B.Wrong

  C.Not mentioned

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• 6The best title for the selection would be______.

  A.River Rising! River Rising!

  B.Forests and Floods

  C.Flooding in the U. S.

  D.The Results of Flooding

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• 7All of the following cause floods EXCEPT______.

  A.heavy rain

  B.melting snow

  C.increasing storm runoff

  D.porous soil

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• 8The author states that______.

  A.lakes and swamps once acted like natural reservoirs

  B.up-and-down hill plowing catches and stores water

  C.stream channels are the best carriers of water

  D.floods are easily prevented and controlled

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• 9According to the selection, streams overtop their banks partly because______.

  A.material from higher land is washed into them

  B.ditches and drains lead into them

  C.rivers become too swift

  D.snow melts more rapidly nowadays

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• 10The floods which are given most publicity______.

  A.cause no damage

  B.cause the most damage

  C.cause less agricultural damage than the many smaller, more frequent floods

  D.far exceed the smaller, more frequent floods in agricultural loss

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