The expression "this form of life" in paragraph 5 refers to、

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• 1Which of the following statements about Titan is true、

  A.It is as large as the earth.

  B.There is acetylence on its surface.

  C.Water on it as a life supporting medium.

  D.Hydrogen consumption is reported to be on it.

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• 2What do scientists claim to have found about Saturn、

  A.Water-based life on it.

  B.Methane—based life on its biggest moon.

  C.A new moon moving around it.

  D.Earthlike life on its biggest moon.

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• 3Today, many countries are

  A.using the principles of GNH to measure their progress.

  B.woking together to develop a common scale to measure GNH.

  C.taking both Bhutan and Brazil as symbols for social progress.

  D.trying to find their own ways to measure happiness.

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• 4According to GNH, people are happier if they

  A.have new tecnology.

  B.can change their religion.

  C.have a good, stable government.

  D.have more money.

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• 5A country shows its progress with GNP by

  A.selling more products.

  B.spending more money.

  C.spending less money.

  D.providing more jobs.

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• 6It can be inferred from Mark Allen’s address that

  A.Scientists are trying to conform there islife on Titan.

  B.Scientists agree that a chemical reaction is a convincing explanation.

  C.Scientists share the opinion that a biological explanation is reasonable.

  D.Scientists are arguing over whether there is life on Titan.

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• 7Which of the following can replace the title of this passage、

  A.A different Life Form, a Possibility.

  B.Earthlike Living Beings Found on Titan.

  C.Finding of One More Moon of Saturn.

  D.Titan, a New Satellite Found.

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