—The year 2022 is ___ unusual one. Covid-19 is still spreading around the world. —The fight against the virus is like ___ race (竞赛) against time. A. a; an B. an; a C. a; a D. an; an 相关知识点: 试题来源: 解析 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。
1COVID-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 ...
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...
1The COVID-19 virus is still spreading around the world. It hangs overall of us. But some good news about vaccines for COVID-19 is bringing uscloser to ending this terrible disease.On Dec. 8, 2020, in the UK a vaccine made by the US Pfizer and theGerman BioNTech came out. In the...
This is the first step in China’s COVID-19 vaccination plan. As more vaccines are produced, the old people in our country can get the vaccine faster. Some people have special or serious illnesses can get the chance as well. And then, the public can receive vaccines one by one. As we...
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 ...
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...
The COVID-19 virus is still spreading around the world. It hangs over all of us. But some good n about vaccines for COVID-19 is bringing us closer to ending this terrible pandemic. China will s to vaccinate high-risk groups over the winter. This means that those who w in the cold-...
The COVID-19 pandemic (新型冠状病毒肺炎疫情) is still spreading rapidly throughout the world. Luckily, it is under control in China with the efforts of our government and all the people. However, we should still be careful in our daily life. There’re some rules for us to follow. 1 ...