——样品。 考查冠词。a一个,表泛指,用于读音以辅音音素开头的字母或单词前;an一个,表泛指,用于读音以元音音素开头的字母或单词前字母;the那个,表特指。第一空,泛指一个字母,s读音以元音音素开头,故第一空用an;第二空特指上文提到的那个字母,用定冠词the。故选C。
解析 B 【详解】 句意:——COVID-19在中文中是什么?——是新型冠状病毒肺炎。 考查特殊疑问句。that那;what’s是什么;how怎样;how’s是怎样的。根据“It’s 新型冠状病毒肺炎”可知问的是在中文中是什么,用What's符合语境。故选B。反馈 收藏
What effect has COVID-19 had on exams? A. People are questioning the existence of the exams. B. Different approaches have been taken to the exam. C. , All kinds of exams have to be cancelled in European countries D. Children themselves have to decide whether to take E. xams a, not...
In the case of COVID-19 shots, he says, “The concern is if this DNA integrates the genome, one portion of the SSV40 sequence is an SV40 promoter, a very strong promoter, which means it drives transcription wherever it lands in the genome. If this happens to drop itself in front of ...
6. Is there any risk when sharing apartments? 7. Should you wear a mask? Protect yourself from the COVID-19 Professor Zhang Wen Hong, who is the head of the infectious disease department of Fudan University Affiliated Huashan Hospital in Shanghai, leader of the expert panel for COVID-19 ...
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...
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...
—Don’t ___. You should drink more water and stay in bed for a few days. You’ll get well soon. Don’t go outside until you turn negative (阴性的) . A. worry B. worried C. happy 相关知识点: 试题来源: 解析 A 【详解】 句意:—我新冠病毒呈阳性。我应该怎么办?—不用___。你...
Since the COVID-19 policy was relaxed in December and as China further eases measures by downgrading the management of COVID-19 from Class A to Class B from January 8, the country is going all out to ensure a smooth shift. Passengers are seen at Shenzhen North railway station in Shenzhen...
这句话的意思是我从新冠病毒事例中学到了什么,你可以把自己的所见所想写上去就可以