We still have much to learn from research on covid-19 vaccines, says Andrew Ustianowski With spring booster jabs being deployed across the UK for people aged 75 and over and those with suppressed immune systems, many may assume that research on covid-19 vaccines is now complete. However, ...
Even if you've had COVID-19, you should still get vaccinated. A COVIDvaccinemay offer more reliable and sustained immunity than a previous infection. At the very least, it will add an extra layer of targeted protection. Here's how ourimmune responseworks after a natural infection versus a...
【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...
Vaccine requirements for entry into Canada by foreign nationals remain unchanged. Foreign nationals who are not fully vaccinated continue to be prohibited entry into Canada, according to a news release. OTTAWA, June 14 (Xinhua) -- The Canadian federal government announced Tuesday that it will suspe...
【答案】A【核心短语/词汇】because 因为【翻译】打疫苗是必要的,因为新型冠状病毒仍然在传播。【解析】“It's necessary to get a vaccine”(打疫苗是必要的)是结果,“the COVID-19 is still spreading.”(新型冠状病毒仍然在传播)是原因,前后句是因果关系,前面是结果,后面是原因,用because(表示因为)连接,so...
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。
they have high vaccine rate but the infection rate is still high. It has been reported that additional booster vaccines and Omicron-specific vaccines are helpful in mitigating the immune evasion problem caused by Omicron and its subvariants, which will be discussed in detail in the following secti...
It’s necessary to get a vaccine (疫苗), ___ the COVID-19 is still spreading (传播).A:becauseB:soC:but 相关知识点: 试题来源: 解析 A 【解答过程】句意:接种疫苗是必要,因为2019冠状病毒疾病仍在传播。考查连词辨析。because因为;so因此;but但是。分析前后句句意可知,空处的词是引导原因状语从句...
So do the vaccines affect you if you’ve already had COVID-19? Science writer Roxanne Khamsi talks about recent studies showing that a single dose of vaccine could boost immunity for former COVID-19 patients. She also discusses a study that found over 140,000 viral species in the human ...
根据It's necessary to get a vaccine"有必要接种疫苗",可知,"因为"新冠疫情仍在传播。用because引导原因状语从句。故选:A。【思路点拨】有必要接种疫苗,因为新冠疫情仍在传播。【解题思路】连词可以表并列、承接、转折、因果、选择、假设、比较、让步等关系,要结合语境,选择合适连词用法。