speedsupmanyarewonde的甄选

问题详情：阅读与回答问題。Astheglobalpandemic（流行病）speedsup,manyarewonderingabouttheeffectivenessofmasksandwhenit’spropertowearthem.MostpeoplefromtheEastbelievethatwearingamaskisimportanttocontrolthesp...