COVID-19 is still spreading around the world.To fight the disease,scientists have developed different vaccines(疫苗).By now,millions of people have gotten COVID-19 vaccines. (1)___? Vaccines help teach the immune system(免疫系统) about what challenges might look like.They prepare the body ...
As COVID-19 is still spreading in many countries, quickly finding people who have the virus is very important. But COVID-19 is not easy to detect. Many people who catch the virus clearly show signs of being ill, like having a fever or coughing. But many others show no signs at all....
The COVID-19 virus is still spreading around the world. It hangs over all of us. But some good news about vaccines for COVID-19 is bringing us closer to ending this terrible disease. On Dec. 8, 2020, in the UK a vaccine made by the US Pfizer and the German BioNTech came out. In...
As COVID-19 is still spreading in many countries, quickly finding people who have the virus is veryimportant. But COVID-19 is not easy to detect Many people who catch the virus clearly show signs of being ill,like having a fever or coughing. But many others show no signs at all These...
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 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. The...
UK's Johnson Says He Is Looking at COVID Help for India More Reuters A man carries a stretcher used for carrying bodies of victims who died due to the coronavirus disease (COVID-19), during a mass cremation at a crematorium ground in New Delhi, India, April 23, 2021. REUTERS/Dan...
___ 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. ...
(D)The COVID-19 epidemic (新冠疫情) is still spreading rapidly around the world. Luckily, it isunder control in China with the efforts of our government and all the people. However, we should stillbe careful in our daily life. There're some rules for us to follow.Get vaccinated(打疫苗...
The COVID-19 epidemic(新冠疫情)is still spreading all over the world.Luckily,it is under control in China with the efforts of our government and all the people.(1) D There are some rules for us to follow. Get vaccinated (接种疫苗) Since there's still no special medicine to treat COVI...