2. 外语
  3. A. Reasons for Excluding Masks from the Self-protection List B. Effort to Stop Flu Spreading C. When to Use Face Masks

A. Reasons for Excluding Masks from the Self-protection List B. Effort to Stop Flu Spreading C. When to Use Face Masks

admin2009-07-11  58
问题 A. Reasons for Excluding Masks from the Self-protection List   
B. Effort to Stop Flu Spreading   
C. When to Use Face Masks   
D. Guidelines on Mask Use     
E. Warnings from the CDC    F. Danger of Infection through Germy Hands and Masks

  The scientists are trying to find oust if masks may or may not______.    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 results of their mask research
选项
答案E
解析
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