Dr. Marcy thinks that life may exist in the 55 Cancri system because___________.

试卷相关题目

• 1How many planets orbiting other stars have the two scientists discovered so far、

  A.100.

  B.69.

  C.66.

  D.65.

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• 2Which of the following is true of the recent discovery？

  A.The planet is not as protective as Jupiter.

  B.The planet is close to star 55 Cancri.

  C.The planet proves to be a gas planet.

  D.The planet is as large as Jupiter.

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• 3What can we learn about Dr. Marcy from the passage？

  A.He I：fond of watching Jupiter.

  B.He is from a scientist family.

  C.He dislikes working with Paul Butler.

  D.He is interested in finding life in outer spac

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• 4This passage is mainly about___________＿.

  A.why English has become a global language

  B.how many people in the world speak English

  C.how people in the world learn English as a foreign language

  D.whether we need to worry about English being a world language

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• 5The author would probably agree that_______＿.

  A.it's very hard to plant many kinds of flowers in a garden

  B.it's good for people from other countries to learn English

  C.more and more people like to plant roses in their gardens

  D.English is easier to learn than other languages

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• 6“But we stuck with it”（in Paragraph 3）means_______.

  A.they felt discouraged

  B.they carried on with it

  C.they failed in their attempt

  D.they made some progress

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