HOW IS COVID-19 DIAGNOSED? Respiratory samples are processed by provincial labs. The labs may screen for other things first, such as the seasonal flu. The sample will only be sent to the National Microbiology Laboratory in Winnipeg if further testing is required. WHA...
If you think you may have contracted COVID-19, It is important to take care of yourself and the people around you. Symptoms of COVID-19 may appear within 2 -14 days after contact with a person who has COVID-19.
China has recently approved more than 10 kinds of COVID-19 antigen self-test kits. The National Health Commission suggested that three groups of people should use them: 1. People who develop symptoms within five days. 2. People in quarantine, such as close contacts of COVID-19 patients,...
解析 答案见上46. have 【详解】句意:如果我们家的老人感染了新冠肺炎,我们应该做什么?由if引导的条件状语从句时态“主 将从现”规则可知,从句中使用一般现在时,主语是theold“老人”,由于“the+形容词”表示一类人,属于集 合名词,谓语动词用复数,故使用动词原形。 故填have。
—Do you know ___ COVID-19 disease? —Yes, we should have a good habit about health. A. how we should do with B. what we should do with C. how should we deal with D. what should we deal with 相关知识点: 试题来源: 解析 B ...
Though there are reports of COVID-19 re-infection, these are individual cases, and more research is required to draw a conclusion on the risk. Currently, confirmed COVID-19 patients and asymptomatic patients are not suggested to take the shot. ...
解析 [答案]have [解析]句意:如果我们家的老人感染了新冠肺炎,我们应该做什么?由if引导的条件状语从句时态“主将从现”规则可知,从句中使用一般现在时,主语是the old“老人”,由于“the+形容词”表示一类人,属于集合名词,谓语动词用复数,故使用动词原形。故填have。
我从来没有见过比这更严重的疾病。 考查冠词。the这个,定冠词,表示特指;a一个,不定冠词。 COVID-19冠状病毒,是一种特定的疾病,专有名词,需要加the;much more serious disease更严重得多的疾病,泛指比冠状病毒更严重的疾病,没有特指某一种,所以用a。故选A。
Zweite Dosis von COVID-19-Impfungen im Gang in Beijng---Die Verabreichung der zweiten Dosis von COVID-19-Impfstoffen für Schlüsselgruppen von Bewohnern in ganz Beijing begann am 22. Januar und wird voraussichtlich vor dem 8. Februar abgeschlossen sein.
句意:——您认为 COVID-19 大流行会持续多久?——我不知道。 也许它会在五年后得到完全控制。 考查特殊疑问词。How often多久一次;How long多长时间,侧重时长,对一段时间提问;How soon多久,对未来的时间提问;How far多远。根据“Maybe it will be under full control in five years.”可知,是对未来时间的...