I.单词填空。1. “The results sthe COVID-19 vaccine(疫苗)issafe and effective(有效的)",a doctor said.2. I don't like pears obananas. My favoriteearestrawberries.3. Don't twith the driver(司机). It's dangerous(危险的)4. Bill likes wsome short stories when he is free空闲的)5. ...
Is the COVID-19 vaccine safe for children? Yes, U.S. regulators authorized Pfizer's vaccine foryounger childrenafter millions of 12- to 17-year-olds already safely got the shot, the only one available for children in the country. Those ages 5 to 11 will get just a third of the dose ...
Currently, the two vaccines are almost equally safe in terms of "safety evaluation" observed by public information from the media. Andrew Pollard and colleagues report their phase 1/2 randomized trial of one injection of chimpanzee adenovirus-vectored COVID-19 vaccine. Local and systemic adverse ...
"Although we believe the COVID-19 vaccine is safe and effective, we advise the public to maintain personal hygiene and protection, including wearing masks, washing hands and practicing social distancing," he said. 目前为止还没有任何一个疫苗说保护率达到百分之百的。特别是在当前群体免疫还没有建立...
Just within the past week, pharmaceutical companies have announced encouraging news about two COVID-19 vaccines in the final development phase. As more vaccine developers announce similar reports in the coming weeks and months, it's key to remember that
___A.All people.B.COVID-19 patients.C.Doctors and nurses.(2)According to the text,how many kinds of vaccines are mentioned? ___A.Three.B.Two.C.One.(3)If you get an inactivated vaccine on May 1st,when can you get the second dose? ___A.On May 8th.B.On June 1st.C.On July...
___ 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. ...
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。
Myth:The COVID-19 lambda variant is vaccine-resistant. Fact: The COVID-19 lambda variant does not change the fact that the vaccine is safe and effective. The lambda variant was designated as the "variant of interest" by WHO. According to the working definition presented on the WHO's offic...
7、Indonesian President Joko Widodo received the COVID-19 vaccine shot developed by China's biopharmaceutical company Sinovac Biotech at Presidential Palace in Jakarta, Indonesia, Jan 13, 2021. The president is the first Indonesian to be vaccinated to show that the vaccine is safe. ...