解析 B 句意:由于新型冠状病毒仍在快速传播,接种疫苗是非常必要的。before在……之前;since由于;although尽管;unless除非。根据“ the COVID-19 is still spreading rapidly, getting a vaccine(疫苗) is quite necessary”可知,“新型冠状病毒仍在快速传播”是接种疫苗的原因,用since引导原因状语从句,故选B。
句意:由于 COVID-19 仍在迅速传播,接种疫苗是非常必要的。 考查连词辨析。 A. before 在……以前,引导时间状语从句; B. since 由于,引导原因状语从句; C. although 尽管,引导让步状语从句; D. unless 除非,引导条件状语从句。 分析语境可知,前半句是一个原因状语从句,空处表示“由于”。 故选:B。结果...
China recently shifted its COVID-19 protocols from prevention to treatment, citing weaker virus strains, some level of immunity, as well as years of experience in dealing with the disease. CGTN's Zhao Yunfei, one of our reporters in Wuhan during the initial outbreak, ta...
For 2021, there's only one issue that will matter for higher education: COVID. The pandemic is impacting every aspect of higher education, including technology, curriculum, learning, grades, COVID testing, campus safety, mental health, enrollment, mergers, closures, layoffs, and fundraising.doi:...
The Hong Kong Special Administrative Region (HKSAR) is fighting a new wave of COVID-19. The number of infections continues to grow. The HKSAR government has imposed stricter rules on public activities. Chief Executive Carrie Lam announced the postponement of the Legislative Counc...
The COVID-19 pandemic (新型冠状病毒肺炎疫情) is still spreading rapidly throughout the world. Luckily, it is under control in China with the efforts of our government and all the people. However, we should still be careful in our daily life. There’re some rules for us to follow. 1 ...
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...
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...
Official answer: Actemra does not directly target the SARS-COV-2 virus (the virus that causes COVID-19), rather it reduces inflammation...
You're more likely to get long COVID-19 if you: Had severe COVID-19, particularly if you had to stay in a hospital Have other health conditions like diabetes,asthma, or an autoimmune disease Have obesity Didn't get the COVID-19 vaccine ...