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共用题干 1.If a super-flu strikes,face masks may not protect you.Whether widespread use of masks will he...

共用题干
1.If a super-flu strikes,face masks may not protect you.Whether widespread use of masks will help,or harm,during the next worldwide flu outbreak is a question that researchers are studying furiously.No results have come from their mask research yet.However,the government says peoph should consider wearing them in certain situations anyway, just in case.
  • A.overuse face masks
  • B.deal with the mask problem seriously
  • C.rub their faces and noses in the subway
  • D.protest against the mask guidelines
  • E.help protect people from being attacked by a flu
  • F. announce the result of their mask research

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