湖南省普通高中学业水平合格性考试(压轴卷) 英 语（答案在最后） 本试卷由试题卷和答题卡两部分组成。试卷分三个部分，共6页。时量90分钟，满分100分。所有试题均须在答题卡上作答。 第一部分 阅读技能(共两节，满分４５分) 第一节 阅读理解(共12小题；每小题3分，满分36分) 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，并在答题卡上将该项涂黑。 A We are surrounded by the news about COVID-19 and other viruses(病毒), but how much do you really know about them? Viruses that infect(传染) humans nearly always cause illness. Fortunately, just as we know a lot about how viruses harm us, so do we know how to prevent them. These facts are a good place to start. ·Being infected without signs is possible Some viruses, including those that cause herpes,COVID-19, and AIDS, can be spread through asymptomatic(无症状的) people and presymptomatic(症状发生前的) people, according to the Centers for Disease Control and Prevention (CDC). Some of them may even be “ super-spreaders” , infecting dozens to hundreds of other people without even 、 realizing it. Take action to prevent spreading viruses even when you don't feel sick. ·Hand washing is protective Wash your hands. This is a piece of advice given by World Health Organization(WHO). Make sure to wash your hands with soap for at least 20 seconds and dry your hands on a clean towel. Don't use air dryers in public restrooms. ·Regular exercise is helpful Do regular exercise. Regular exercise, which can include taking quick walks, has been shown to improve your immune system, thus reducing your possibilities of developing a cold or the flu. But don't overdo it, for example, training for a long marathon without professional guidance. ·Herd immunity(群体免疫) is hard to achieve You may have read that...
