The large U.K. COVID Infection Surveyshowsthat in thegeneral population, people who report no symptoms or have lower concentrations of virus on their PCR swabs with their prior infection are more likely to be reinfected than those with symptoms or higher viral concentrations. This indicates that...
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Most often, COVID spreads through infected people who don't have symptoms. Some people don't know they're infected, as they never develop symptoms but can still spread COVID to others. This is called asymptomatic spread. You can also pass it on before you develop symptoms, calledpresymptomat...
As the second wave of the COVID-19 pandemic continues to surge across Europe, many people are asking how best to protect themselves and others from the virus? As always, the first thing you should do is to follow government guidance and listen to the restrictions already in pla...
解析 答案见上【详解】句意:-爸爸,我怎样才能预防新冠肺炎?-为了保持健康,你应该经常戴口罩并经常洗手。 根据问句“How can I prevent COVID-19, Dad?”可知,询问方法,回答是用不定式作目的状语,应用所给单词 的不定式形式to keep,位于句首,首字母大写。故填To keep。 反馈 收藏 ...
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1. -How can I prevent COVID-19,Dad?-___ healthy, you should always wear a mask and wash hands frequently.(C) A. Keep B. Keeping C. To keep 相关知识点: 试题来源: 解析 答案见上C 解析:考查非谓语动词。根据答语知 “__healthy”是“you should... frequently”的目的,故用动词不定式...
The pandemic is the largest disruption to education in history. But research has identified ways to help children make up lost ground. Will they work in classrooms around the world?doi:10.1038/d41586-022-01387-7Helen PearsonNatureNature
"In the meantime, I am urging consumers to reach out to their plans or issuers so that you can meet your obligations as easily as possible," he said. Free COVID vaccine for people without insurance Americans without insurance can find shots for free at locations in the federal "Bridge Acce...
根据"The vaccination costs(花费) RMB100 each person for those without medical insurance(保险).Those who have bought medical insurance can get the vaccination for free"疫苗接种成本(花费)100元人民币每个人对于那些没有医疗保险(保险)。购买医疗保险的人可以免费接种疫苗。可知B符合题意。故选:B。(2)D...