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What does the author mean by saying "Even for people who exercise, spending long stretches of time sitting at a desk is still harmful?" (Para.6)? 查看材料

  • A.Exercising can"t help reduce the harm caused by sitting.
  • B.The harm depends on the prolonged time sitting at a desk.
  • C.Exercising is not necessary for people.
  • D.Exercising has no advantages for people who often sit.
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What is the main idea of this passage? 查看材料

  • A.People should keep exercising.
  • B.Exercising may not reduce the harm of sitting.
  • C.Sitting for long time is deadly.
  • D.How to eliminate the harm of sitting.

What does the author mean by saying "Even for people who exercise, spending long stretches of time sitting at a desk is still harmful?" (Para.6)? 查看材料

  • A.Exercising can"t help reduce the harm caused by sitting.
  • B.The harm depends on the prolonged time sitting at a desk.
  • C.Exercising is not necessary for people.
  • D.Exercising has no advantages for people who often sit.

What does the last paragraph show? 查看材料

  • A.To interrupt sitting as often as possible is good for people"s health.
  • B.Sitting for long time can hardly be avoided.
  • C.Keep exercising can eliminate the harm of sitting.
  • D.Office workers don"t like to exercise.
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