Roller bags tend to be heavier than ordinary backpacks.

试卷相关题目

• 1Children should put all the books in their lockers.

  A.Right

  B.Wrong

  C.Not mentioned

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• 2A 100-pound child should carry a backpack of more than 20 pounds.

  A.Right

  B.Wrong

  C.Not mentioned

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• 3Backpacks with wide, padded straps and a belt can help to avoid problems of sprains and strains.

  A.Right

  B.Wrong

  C.Not mentioned

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• 470 percent of UK physicians have treated children with sprains and strains.

  A.Right

  B.Wrong

  C.Not mentioned

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• 5About six thousand American kids were injured by carrying backpacks last year.

  A.Right

  B.Wrong

  C.Not mentioned

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• 6A 10-15 minutes’exercise will help you bear a heavier backpack.

  A.Right

  B.Wrong

  C.Not mentioned

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• 7Kad Kim’s study showed that

  A.people learn English and Korean in different ways .

  B.children and adults use the different parts of the brain to learn a second language.

  C.it is not possible for an adult to speak a second language fluently.

  D.people’s brain will not change when they learn a second language

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• 8How did kim and Hirsch study the brains of two groups of bilingual people、

  A.They interviewed them in English and Korean.

  B.They asked them to speak the same language.

  C.They used an MRI scanner to observe their brain.

  D.They asked them to talk about what they had done the day befor

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• 9Which aspect of the two language centers in the brain does Paragraph 3 discuss、

  A.Impact

  B.Function

  C.Location

  D.Size

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• 10Kim and Hirsch find that children

  A.use the same region in Broca’s area to learn their first and second language.

  B.learn a second language slower than adults.

  C.are better at acquiring the sound system of a second language than adults.

  D.use special parts of the brain to program the structures of their first languag

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