What does the underlined word“dig”in paragraph 2 mean．、

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• 1Who is probably the author of this text、

  A.A student’s parent．

  B.A graduating student．

  C.A university professor．

  D.A freshman at Carleton．

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• 2We may infer that NuRide has helped in．

  A.improving air quality

  B.reducing driving speed

  C.promoting safety of driving

  D.increasing job opportunities

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• 3One who wants to share a ride with NuRide users must.

  A.give information about his interest

  B.meet his car mates before the trip

  C.offer the name of his employer

  D.provide his home address

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• 4What can NuRide do for you when you use the service、

  A.Decide a car model for you to drive．

  B.Help you arrange a shared car trip．

  C.Find your car mates’true names．

  D.Give you a list of car ownerS．

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• 5What has the study found about people’s opinion on carpooling、

  A.Most people think it is inconvenient．

  B.Only l8％can find their road mates．

  C.Some people consider it dangerous．

  D.Half of the people accept the idea．

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• 6What’s the author’s advice about spending free time at college、

  A.Setting up an interest group．

  B.Enjoying your own hobbies．

  C.Joining as many clubs as you can．

  D.Staying with friends as much as possible．

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• 7What’s the best way of taking classes、

  A.Attend all the classes at night．

  B.Schedule all the classes before noon．

  C.Set them at 8：30 a．m．every mornin9．

  D.Put them from 9：50 a．m．t0 3：10 P．m．

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• 8How do dogs bring happiness and health to humans according to the author、

  A.By doing funny tricks．

  B.By keeping humans busy.

  C.By serving their owners．

  D.By playing with their owners.

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• 9What makes Rico special、

  A.He seldom uses one word orders．

  B.He uses words like a 2．5 year old．

  C.He is Coren’S favorite subject for study．

  D.He shows a high level of language ability．

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• 10What does Dr．Coren say about a d09’S counting ability、

  A.It is as good as an ape’s．

  B.It is close to human’S.

  C.It leaves a lot to be studied．

  D.It helps them keep their toys．

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