【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...
"The results of this study are important because long COVID can have a significant impact on people's lives," said Carolyn Bramante, MD, principal investigator and an assistant professor at the U of M Medical School. "Metformin is an inexpensive, safe and widely available drug, and its us...
Last year's round of COVID-19 vaccines did not get off the ground in many places until late September, long after providers had already begun offering flu shots. CDC officialssaidthat led to confusing messaging and logistical fumbles that may have hampered vaccination rates. "Weekly comparisons...
TOKYO (Reuters) -Japan will receive bigger shipments of Pfizer Inc's COVID-19 vaccines to immunise the elderly faster, the government said on Friday after negotiating the increase in supplies. There would be enough vaccines distributed during the two weeks from May 10 to give a fir...
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...
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。
The news about COVID-19 and how it's impacting travel plans is changing by the hour. I'll attempt to keep this article updated in regards to cancelling or changin...
So long as you keep your COVID, flu, and RSV immunizations up to date, it doesn’t matter whether you get them together or not, the CDC says. Who should not get multiple vaccines at once? Most people can get most routine vaccines in combination, according to the Cleveland Clinic. But...
Shenzhen earlier this week reported that a local woman engaged in receiving and delivering oversea frozen chemical reagents had been infected with the Omicron variant of COVID-19. The first individuals in Beijing infected wit...
句意:——我今天下午将去接种新冠疫苗。——每个人都应该接种疫苗,否则我们将面临更大的危险。 考查比较级和形容词辨析。根据“even”是比较级修饰词可知,此处要用比较级,排除A、D项;great“极大的”;small“小的”。根据“or”表示“否则”可知,如果我们不接种疫苗,我们将面临更大的危险,因此每个人都因接种疫...