这是一个虚拟语气的句子。在虚拟语气中,表示与现在事实相反的假设时,从句要用一般过去时(be 动词用 were,这里是 have,所以用 had),主句用 would + 动词原形。句子的意思是 “如果我得了新冠,我会知道的,因为我会感觉不舒服”,这里是假设一种与现在事实相反的情况(实际上现在没有得新冠),所以要用 had。
drinking too much liquid can also be very dangerous so, here’s my advice for staying hydrated if you have COVID-19, or any other illness.
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A medical worker administers a shot of the COVID-19 vaccine to a man at a temporary vaccination site in Haidian district of Beijing, Jan 31, 2021. [Photo/Xinhua] For most infectious diseases, such as smallpox, measles, and chicken pox, those who have contra...
So if you're planning to go this route for international travel, you'll need an official viral test performed or processed by a lab at the time you've contracted COVID-19. In my case, I took advantage of the free COVID-19 testing from Vault Health and the state of Minnesota when I...
Everyone needs to be on high alert about the symptoms of coronavirus and know what to do if they have COVID-19 symptoms.
Q: I already had COVID-19 and recovered. Why should I get the vaccine when my body is already immune to it now? Ad A: When someone has had an infection, and the body has producedantibodiesas a result, this is called "natural immunity." But early evidence suggests natural immunity to...
百度试题 结果1 题目9.Because of COVID-19, I am asked to take my t before entering school to see if I have a fever. 相关知识点: 试题来源: 解析 9. temperature 反馈 收藏
-How can we stay safe from COVID-19(新型冠状病毒肺炎)?-Don't go out ___ you have to. A. if B. because C. unless D. after 相关知识点: 试题来源: 解析 C. 解析:考查连词辨析。if如果;because因为;unless除 非;after在...之后。根据语境可知,不要出去除非你不得 不(出去),故选C。 反...
1. I'm an adult with COVID, and have had to postpone my booster appointment. So when can I get it? The current ATAGIadviceis that you can have your booster once you have recovered from theacute infection. But based on vaccinology principles, it would be reasonable to consider waiting ...