According to the author, unfriendliness may be caused by ______.

试卷相关题目

• 1From the passage we know that ______.

  A.we should hold ceremonies to celebrate our friendship

  B.we can’t make friends with the people of different races

  C.friends should understand each other

  D.argument and discussion may break down the friendship.

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• 2Why should we consider such things as age and background when making friends、

  A.Because people of different age can’t have the same interest.

  B.Because people who enjoy different social status have nothing in common.

  C.Because when making friends people need know these.

  D.Because differences in age and background make it difficult to make friends.

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• 3What's the best title of the passage、

  A.The benefits of the self-driving cars.

  B.The biggest challenge of the self-driving cars.

  C.Self-driving cars-science fiction future is near.

  D.Safer or more dangerous-self-driving cars.

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• 4According to Richard Mason, what is the biggest challenge for driverless cars、

  A.They are now too expensive for consumers.

  B.Their technical problems remain to be solved.

  C.They are not allowed to run on the roa

  D.D.They are more dangerous for people on the street.

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• 5We learn that Governor of California Jerry Brown_________.

  A.helped design self-driving cars.

  B.supports self-driving cars on roads.

  C.considers self-driving cars science fiction.

  D.improved the self-driving car systems.

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