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发布时间: 1970-01-01

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1最佳选择题 3分

PushbikePerilLowspeedbicyclecrashescanbadlyinjure—

  • A. they are not noble enough.
  • B. they may kill children.
  • C. they are likely to crash.
  • D. they make the bike move at a low speed.
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正确答案: -

本题解析: 暂无解析

2最佳选择题 3分

PushbikePerilLowspeedbicyclecrashescanbadlyinjure—

  • A. to discuss how abdominal injuries in children occur.
  • B. to show that more than a third injuries were caused by bicycle accidents.
  • C. to point out what the countermeasures can be.
  • D. to tell us why Kristy Arbogast began the project.
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正确答案: -

本题解析: 暂无解析

3最佳选择题 3分

PushbikePeril Lowspeedbicyclecrashescanbadlyi

  • A. why the children and their parents were interviewed.
  • B. when the children turn the handlebars through 90 degrees.
  • C. what causes the children to topple over.
  • D. how serious injuries occur.
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正确答案: -

本题解析: 暂无解析

4最佳选择题 3分

PushbikePeril Lowspeedbicyclecrashescanbadlyi

  • A. it is not easy to persuade manufacturers to adopt the new design.
  • B. the team of engineers has not found any countermeasures.
  • C. children like to ride bicycles at a very low speed.
  • D. a lot of children were killed in bicycle accidents in the past 30 years.
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正确答案: -

本题解析: 暂无解析

5最佳选择题 3分

PushbikePeril Lowspeedbicyclecrashescanbadlyi

  • A. It can be commercialized.
  • B. It reduces the dangerous forces in bicycle accidents.
  • C. It adds a few dollars to the cost of a bike.
  • D. It changes the direction of the handlebars in an impact.
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正确答案: -

本题解析: 暂无解析

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