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

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问题 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
The public will not know the answer about masks until scientists ______.

选项

答案F

解析问题句中语意的提示提供了直接答案。最后一段提到普通民众须等待科学家公布他们对口罩研究的结果，所以F是正确答案。

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本试题收录于：职称英语综合类A级题库职称英语分类

职称英语综合类A级

职称英语

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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

职称英语综合类A级

职称英语

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Heisaphysician.

Hewouldnotgiveupthoughherealizedthatpeoplewouldnotregardhimasalawfulking.

Thereasonfortheirunusualbehaviorremainsapuzzle.

Hitchhiking(搭车旅游)WhenIwasinmyteens(十几岁)and20s,hitchhikingwasamainformoflong-distancetransport.Thekindnessor

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