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。反馈 收藏
___ the COVID-19 is still spreading rapidly, getting a vaccine(疫苗) is quite necessary.A.BeforeB.SinceC.AlthoughD.Unless相关知识点: 试题来源: 解析 【答案】 B 【解析】 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. ...
It's a competition. In the case of a COVID-19 vaccine, this is a race that the whole world will win, or the whole world is winning now, because science is advanced, and that's producing vaccines that the whole world will benefit from. Yes, the actual physic...
Two mRNA vaccines from Pfizer and Moderna are nearing final approval, and both work by rewiring a genetic trigger. SARS-CoV-2, the virus that causes COVID-19 (coronavirus), has a unique physical structure that can be used to prime immune response. An mRNA vaccine has never been approved ...
An mRNA vaccine, a cousin to the COVID vaccines that blunted the pandemic, has entered human trials as a treatment for lung cancer. BNT116 is a striking example of how the conventional definition of a vaccine continues to expand. “When people hear the word vaccine, they think ...
根据文章第二段第二句 "It will make sure that all members get the vaccine in the future.(它将确保所有成员在未来得到疫苗。)" ,可知设立COVAX是为了开发COVID-19疫苗。故答案为A。 (2) 主旨大意题。根据第二段第三句 "When a vaccine is proven to be safe and effective, all countries in COVAX...
33. Why is the test of COVID-19 vaccine mentioned in Paragraph 3? A. To introduce a latest medical breakthrough. C B. To show the difficulty in finding the vaccine. C. To illustrate the process of randomized experiments. D. To prove the impossibility of randomized research on happiness....
D.vaccine injection答案(1)C.细节理解题。根据And people aged 18 to 59 would be the first ones to get injection.可知,年龄在18到59岁之间的人将首先接受注射。故选C。(2)A.词义猜测题。根据Some people are afraid that the vaccines are dangerous and may make them sick.In fact...
The extra immune firepower mRNA vaccines provide could also yield more durable protection. "We could probably generate a flu vaccine that could theoretically protect us for five years instead of just one," Pekosz says. Indeed, he believes the COVID-19vaccineeffort's success heralds a bright fut...
COVID, the end of pandemic and vaccine-induced Uveitis: is this the showdown?doi:10.1007/s10792-023-02879-9Neri, PiergiorgioPichi, FrancescoInternational Ophthalmology