Coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has had a profound global impact. The emergence of several variants during the pandemic has presented numerous challenges in preventing and managing this disease. The development of ...
☑ Long COVID的表现 ☑ Long COVID的危险因素 ☑ Long COVID的治疗与管理 随着国内新冠疫情防控的放开,大家都已“阳过”。但有相当数量的新冠肺炎(COVID-19)患者在核酸转阴后,仍有症状持续数周至数月。这类症状被称为新冠长期症状(Long COVID)。WHO将其定义为新冠病...
【答案】B 【详解】 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。before 在...以前, 引导时间状语从句;since 由于,引导原因状语从句; although 尽管,引导让步状语从句;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。 反馈 收藏...
【题文】⋅3As COVID-19 is still spreading in many countries, quickly finding people who have the virus is very important. But COVID-19 is not easy to detect. Many people who catch the virus clearly show signs of being ill, like having a fever or coughing. But many others show no ...
China is providing free vaccine aid to 53 countries around the world while overcoming its own difficulties, Foreign Ministry Spokesman Wang Wenbin said on Tuesday, noting that China was the first country pledging to make vaccines a global public good....
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,...
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...
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。考查连词辨析。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。
A large proportion of the world’s economies have entered a recession as covid continues to devastate from 2023. Businesses are laying off staff, cutting the work hours, asking employees to take unpaid leaves. However, is it legal to force employees to take unpaid leaves? How do unpaid ...
COVID-19 is still spreading in many countries, but it is not easy to detect. Many people who catch the virus clearly show signs of being ill, like having a fever or coughing. But many show no signs at all and they can still pass the virus to others. The virus got tons of attention...