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 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. ...
COVID-19(新冠病毒) is a threat to the very people fighting it—nurses, doctors, and other first responders, who are exposed to infected patients. Now, a team has developed two devices(设备) that could reduce their risks by sucking away infectious bacteria: a helmet to be worn by a pati...
解析 As soon as一...就...;Since自从、既然、由于;Although虽然;So that以便。根据the COVID-19 is still spreading rapidly,getting a vaccine(疫苗) is quite necessary."...COVID-19仍在迅速传播,接种疫苗是非常必要的。"可知,应该是"由于",用Since引导原因状语从句。故选:B。反馈 收藏 ...
as the latter has proven effective in preventing severe illness and death,” said Liang Wannian, a top Chinese expert on COVID-19, who says the WHO's decision to downgrade the threat of the coronavirus comes at a time when the world has developed important knowledge of t...
It's that time of year when you're probably getting reminders about getting your flu shot. But there's also a new COVID vaccine on the market. So when should you get it? Good Question. Kirsten Mitchell went to the doctor to get an update.Sept 20, 2024 ...
百度试题 结果1 题目 5.B_ the COVID-19 is ill 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 答案见上 反馈 收藏
The World Health Organization (WHO) on Monday warned that the new coronavirus pandemic is still worsening globally, despite reductions in infections and deaths across Europe. Around the world, the coronavirus has killed more than 400,000 people, with the toll rising by thousands every day. Th...
COVID-19(新型冠状病毒肺炎)(1)___first reported in late December. (2)___is believed to have spread to humans from wild animals sold at a market in Wuhan, a city in central China. Since then, it(3)___spread across China and to more than 20 countries and territories around the world...
First, the Omicron variant is much less deadly. Warding off the much more dangerous virus strains with its prevention and control measures, China has chosen a less costly time to lift its COVID restrictions. Second, the country has launched the world's largest vaccination campaign in scale to...