What can be a possible title for the passage、

试卷相关题目

• 1Why 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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• 2What 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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• 3What 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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• 4Which 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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• 5A major earthquake striking San Francisco someday is inevitable．

  A.right

  B.wrong

  C.not mentiond

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• 6Ecologists 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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• 7What 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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• 8In"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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• 9What 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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• 10What 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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