第三空,“it” 指代 “COVID - 19”,在句中作主语,这里需要一个动词作谓语,“threat” 的动词形式是 “threaten”,表示 “威胁”,主语是第三人称单数,时态是一般现在时,所以动词形式是 “threatens”。 第四空,“its”(它的)后面需要一个名词,“threat” 本身就是名词,在这里表示 “威胁”。反馈...
A virus(病毒) called COVID-19 is spreading(传播) fast how. Lots of people in the world get sick. People usually show symptoms(症状), such as(例如) runny nose, cough, breathlessness(呼吸困难) and fever. There are some things we can do to protect(保护) ourselves, family and friends:...
Knowing the difference between a COVID cough and a normal cough can be challenging.A cough can have many causes, such as an infection with a virus,allergies, acid reflux,asthma, or irritation from smoke or perfumes. To know whether or not your cough is due to an infection with the corona...
进一步的症状学研究发现,Long COVID可表现出呼吸、心血管、神经系统、肾脏、内分泌、消化等多个系统的症状。 呼吸系统 英国相关研究数据显示,Long COVID患者中有36%存在呼吸短促,有26%出现肺损害的症状和体征,同时也有慢性咳嗽、肺活量下降的报道。其机制可能为:1. 新冠病毒(SAR...
引起COVID-19 的第七种病毒 综合了上述两类的特征: it spreads easily, but can severely impact the lungs. 不仅极易传播, 而且会严重地影响肺部。 When an infected person coughs, droplets containing the virus spray out. 当受感染者咳嗽时,含有病毒 的飞沫就会喷溅而出。
根据汉语提示完成句子COVID-19 is a(病毒) which is identified as the cause of an outbreak of respiratory illness. 相关知识点: 试题来源: 解析 virus[提示:句意:新型冠状病毒是一种病毒,它被确 定为是呼吸道疾病爆发的原因。 virus n.病毒。 ] ...
根据“Recently, a new virus (病毒) called COVID-19 is spreading (传播) fast in the world.”,可知近年来,COVID-19在世界范围内传播迅速,故选B。 (2)题详解: 句意:为什么我们看不到病毒?A它太小了。B它太干净了。C它太高了。根据“It’s very small—so small that we can’t see it.”,...
With a viral disease like COVID, a drug considered for repurposing should show one of these three qualities: it should either be able to inhibit one or more stages of the coronavirus's replication cycle; relieve the bad effects of the virus; or manipulate the immune system so that the body...
Myocarditis is an inflammation of the heart muscle most commonly caused by a virus. Health experts promote COVID-19 vaccination due to its benefits outweighing the mild risks of myocarditis, with most cases from vaccines resolving without severe complications. ...
What is an asymptomatic covid-19 infection? A Positive nucleic acid test+absence of fever,cough,sore throat,debilitation,hypogeusia,and other symptoms+lung CT scan also no pneumonia manifestations=asymptomatic infection. Tha...