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发布时间: 1970-01-01

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1最佳选择题 3分

Anumberofpersonshaveexpressedconcernaboutpossib

  • A. Study shows working with VDTs would cause miscarries (流产).
  • B. Study shows even low levels of radiation is harmful.
  • C. Study shows working conditions rather than VDTs have the pregnancy ended unexpectedly.
  • D. Study shows stopping working with VDTs is the best way to protect women's healt
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正确答案: -

本题解析: 暂无解析

2最佳选择题 3分

Anumberofpersonshaveexpressedconcernaboutpossib

  • A. to do other work than on VDTs
  • B. to change their computers if necessary
  • C. to go back home to have a rest
  • D. to have their health tested
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正确答案: -

本题解析: 暂无解析

3最佳选择题 3分

Anumberofpersonshaveexpressedconcernaboutpossib

  • A. can change the working conditions for the operators
  • B. can limit the dangers from the electro-magnetic radiation
  • C. can also affect the growth of the cells
  • D. can protect the health of the computer operators
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正确答案: -

本题解析: 暂无解析

4最佳选择题 3分

Anumberofpersonshaveexpressedconcernaboutpossib

  • A. Eye problems.
  • B. Muscle problems.
  • C. Health disorders.
  • D. Heart troubl
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正确答案: -

本题解析: 暂无解析

5最佳选择题 3分

Anumberofpersonshaveexpressedconcernaboutpossib

  • A. Problems Existing in the American States.
  • B. Working Conditions for VDTs Operators.
  • C. Health Dangers to Workers Using VDTs.
  • D. How to Protect the Pregnant Women.
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正确答案: -

本题解析: 暂无解析

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