Skip to main content Scientific American $1 for 90 days Expand Your World with Science Learn and share the most exciting discoveries, innovations and ideas shaping our world today.SubscribeSign up for our newsl
Learn and share the most exciting discoveries, innovations and ideas shaping our world today.
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...
请以“How to Prevent COVID-19”为题写一篇英语短文。要点:1.勤洗手,勤开窗,保持空气流通。2.每天测体温,勤锻炼,保持健康的饮食习惯。3.少乘坐公交车,少去人多的地方。4.在公共场所戴口罩(mask),尽量避免面对面交谈。5.如发烧、咳嗽等,不必恐慌,立即就医。要求:1.文中须包含所有要点,可适当发挥。2.语言...
D How to keep yourself safe from COVID-19(新型冠状病毒肺炎)? After it was found months ago, it spread across Chin a and other parts of the world. New cases are reported in the world every day. 61Wear masks outdoors. Wearing a mask is one of the best ways to protect you from getti...
An insight on how to survive COVID-19doi:10.1016/s1473-3099(21)00689-7Rose WorrellElsevier BVThe Lancet Infectious Diseases
time. So far, what we have learned from this disease is that it is not as dangerous as SARS, assuming the patients are given the best treatment. SARS had a mortality rate of about 10%, that is to say, 1 out of 10 people caught it dies. So what is the mortality rate of COVID-...
COVID can still spread rapidly, especially through close person-to-person contact. You can get the virus and spread it even if you've been vaccinated or had the virus before. How long are you contagious with COVID? People seem to pass on the virus most often about two days before ...
IX. 书面表达。(20分)2019年末,全球暴发了新冠肺炎(COVID-19),它的传染性极强,严重影响了人们的生活。请你根据以下要求和参考信息,以“How to Ke
How to Protect Yourself & Others from COVID-19?(1)What\s the best way to prevent illness?___(2)How long should you wash your hands after you go to a public place?___(3)How far should you keep away from people around you?___(4)What should you wear when you have to go out...