吉林市第二中学2020-2021学年高一上学期9月月考英语试题-含解析.doc

英语试卷 第Ⅰ卷 一. 阅读理解 阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。 A Coronaviruses(冠状病毒) are a large group of viruses. They consist of a core of genetic material(遗传物质) surrounded by an envelope with protein spikes(蛋白棘突). This gives it the appearance of a crown. Crown in Latin is called “corona” and that’s how these viruses get their name. In this text, we’ll take a quick look at what’s currently known about the virus. Covid-2019 The 2019 Novel Coronavirus, first reported December in Wuhan, central China’s Hubei Province, has quickly spread across the country and around the world. It initially occurred in a group of people with pneumonia( Intermediate hosts: The Covid-2019 may originate in bats, a team led by renowned Chinese virologist Shi Zhengli said earlier, while the intermediary host remains unknown. Incubation period(潜伏期): usually 1-14 days. Infection: Virus may spread before symptoms show. SARS-CoV The Severe Acute Respiratory Syndrome (SARS) coronavirus was first identified in China in 2003 . Intermediate hosts: Bats are the original host. Civet cats serve as an important intermediary that carries virus from the winged mammal to humans. Incubation period: 2-7 days. Infection: Virus spread after symptoms show. MERS-CoV The Middle East Respiratory Syndrome (MERS中东呼吸综合征) coronavirus was first identified in Saudi Arabia in 2012 Intermediate hosts: MERS-CoV was travelled from dromedary camel to humans. Incubation period: 2-14 days. Infection: Virus may spread before symptoms show. 1. What might be the intermediate hosts of the Covid-2019? A. Bats. B. Mosquitoes C. Camel. D. Unknown yet. 2. Which kind of coronaviruses spreads after symptoms appear? A. SARS-CoV. B. MERS-CoV. C. The Covid-2019. D. All Coronaviruses. 3. What can we learn about coronaviruses ? A. Bats are to blame for the outbreak of all the three coronaviruses. B. The Covid-2019, SARS-CoV and MERS-CoV are all listed as coronaviruses. C. Mers-Cov were first identified in China. D. SARS-Cov has a longer incubation p