What are citizen scientists asked to do、

试卷相关题目

• 1Ecologists 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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• 2What 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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• 3Why is the ice melting from both above and below、

  A.Because extra heat warms the air．

  B.Because extra heat warms the water．

  C.Because the temperature above the water is higher．

  D.Rnth A and B．

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• 4What 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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• 5What 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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• 6In"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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• 7What 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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• 8What is the final purpose of Project BudBurst、

  A.To study when plants will have their first buds．

  B.To find out the types of plants in the neighborhood．

  C.To collect life cycle data on a variety of common plants from across the United States．

  D.To investigate how plants and animals will respond as the climate changes．

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• 9What color is the sky、

  A.It iS blue．

  B.It iS white．

  C.It is grey．

  D.It has no color．

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• 10When an airplane flies too high，___________.

  A.the air will be too thin to support its wings．

  B.the air will become thicker．

  C.the air will exert pressure on it．

  D.the air will disappear in no time．

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