https://ed.ted.com/ 传统疫苗的研发需要漫长的时间,新冠疫苗为何在短短一年之内就能问世?其背后的秘诀就在于一项已研究了数十年的医学技术——信使核糖核酸。它究竟是何方神圣?它的防疫原理又是什么?来本片中寻找答案吧~~请务必记住:疫苗是拯救生命的,只有恐惧才会危及生命!【p.s.】校对并且附加了英语字幕,...
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...
If you have had a positive COVID-19 test you will need to stay at home and isolate yourself away from other people who do not have COVID-19 for 5 days. If you are symptom free or your symptoms are improving after 5 days, you can leave the house. For the next 5 days you should...
COVID-19: At present, there are also antiviral drugs, so we should be more active in the treatment of COVID-19, especially for the elderly with basic diseases, we should intervene early to avoid deterioration of the diseas...
根据第三段We really wanted to do something for them, help them understand something可知,他们想帮助孩子们认识COVID-19,故选C. 2. 本题为细节理解题。根据第五段 It was first printed 750 paper copies for children in hospital. 可知最初的750份复印本是为住院孩子准备的,故选A. 3. 本题为细节...
The rollout of the self-test kits allows citizens to do COVID-19 tests easily at home. But self-testing cannot fully replace the more accurate nucleic acid tests as there is a risk of misdiagnosis. CGTN's Guo Meiping undertakes her first COVID-19 self-test with one of the newly app...
How to disinfect your home if there is positive COVID-19 case in your family? Here are the 10 most commonly asked questions. Q: What should I do in this situation? A: Keep good ventilation and disinfect key areas such a...
根据“How to fight against COVID-19? We choose some books to help you.”可知,这四本书都与如何对抗新冠病毒有关。故选C。 (2)题详解: 细节理解题。根据第一本书的介绍中“about how viruses spread and what people can do to protect themselves”可知,Virus, Virus. You Cannot Scare Me!提到了...
China is expected to release a report that highlights how Washington's poor handling of the coronavirus contributed to growing economic disparity. Figures show that during the COVID-19 pandemic, the wealth gap increased, and the impact was drawn along class and racial line...
How does the FDA determine the shelf life of COVID tests? The FDA uses "stability testing" to determine the shelf life of home COVID-19 tests. Stability testing ensures that the test accurately works for as long as manufacturers say that it does. The most effective way to test shelf life...