Why is the ice melting from both above and below、

试卷相关题目

• 1What are the reasons for the ice melting according to the scientists、

  A.strong winds and clear skies

  B.long summer and short winter

  C.open water and thin ice

  D.light clouds and light winds

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• 2What is the ice cover in the Arctic by the end of 2007 summer、

  A.4．2 million square kilometers

  B.11．4 million square kilometers

  C.1．13 million square kilometers

  D.38 million square kilometers

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• 3Which of the following is closest in meaning to the word"build"in the first sentence of the second paragraph、

  A.construct

  B.extend

  C.create

  D.expand

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• 4A major earthquake striking San Francisco someday is inevitable．

  A.right

  B.wrong

  C.not mentiond

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• 5Scientists will be able to predict the exact time of an earthquake soon．

  A.right

  B.wrong

  C.not mentioned

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• 6What can be a possible title for the passage、

  A.What are scientists looking for in the Arctic Ocean、

  B.What are scientists doing in the Arctic Ocean、

  C.Why are scientists worrying about the Arctic Ocean、

  D.Why are scientists interested in the Arctic Ocean、

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• 7Ecologists turn to non-scientist citizens for help because they need them__________________．

  A.to provide their personal life cycles

  B.to observe the life cycle of plants

  C.to collect data of the life cycle of living things

  D.to teach children knowledge about climate change

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• 8What are citizen scientists asked to do、

  A.To develop a specific research interest and become professional scientists．

  B.To send their research observations to a professional database．

  C.To increase their knowledge about climate change．

  D.To keep a record of their research observations．

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• 9In"All that，s needed to become one…(paragraph2)"，what does the word"one"stands for、

  A.a citizen journalist

  B.a citizen scientist

  C.a scientist

  D.a citizen

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• 10What is NOT true of Project BudBurst、

  A.Only experts can participate in it．

  B.Everybody can participate in it．

  C.It collects life cycle data on a variety of common plants．

  D.It has its own website．

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