HOW COVID CHANGED THE WORLDOlena ShmahaloScientific American.
Coronavirus (now officially called COVID-19) is an airborne respiratory illness that appears to have originated in Wuhan, Hubei Province, China. Chinese authorities identified the new variant of coronavirus. By late January, 2020, there were over 1,000 confirmed cases in China, including cases ou...
根据COVID- 19(新冠肺炎)is breaking out around the world now"新冠肺炎现在在世界各地爆发"可知,它"扼杀"了我们重返学校的机会。用kills。故选:A.--新冠肺炎现在在世界各地爆发。--太可怕了!它扼杀了我们重返学校的机会。动词是表示动作或者是状态的词,要结合语境,辨析选项动词意思,选择合适答案完成试题。
解析 B 【详解】 句意:——COVID-19在中文中是什么?——是新型冠状病毒肺炎。 考查特殊疑问句。that那;what’s是什么;how怎样;how’s是怎样的。根据“It’s 新型冠状病毒肺炎”可知问的是在中文中是什么,用What's符合语境。故选B。反馈 收藏
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The rollout of the self-test kits allows citizens to do COVID-19 tests easily at home. But self-testing cannot fully replace the more accurate nucleic acid tests as there is a risk of misdiagnosis. CGTN's Guo Meiping undertakes her first COVID-19 self-test with one of the newly appro...
According to a survey on sustainability by Kantar Worldpanel in 2019, more than half of Chinese consumers pay close attention on "sustainability", which is mainly out of their concern on health. As the outbreak of Covid-19 is somewhat considered as the revenge from the nature, in the futur...
1. **句子结构**:空格处引导主语从句“___ scientists face now”,主句谓语是“is”,表语为“how COVID-19 could be overcome”。 2. **选项分析**: - **A. What**:在主语从句中充当动词“face”的宾语(相当于“the thing that”),符合语法和句意。 - **B. Why**:引导原因状语从句,但“face...
COVID19 is a new disease. Current understanding about how the virus spreads is largely based on what is known about similar coronaviruses(冠状病毒). The virus is thought to spread mainly from person to person, especially between people who are in close contact with one another (within abo...
COVID-19 precautions taken in 2020 disrupted efforts to eliminate several neglected tropical diseases by 2030, which could delay some regions from reaching tropical disease control goals by 2 to 3 years in some cases, according to a modelingstudy. However, mitigation strategies could help avoid los...