病毒的英文介绍课件前演讲.ppt

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1、成型成型成型成型191410 191410 191410 191410 邢玉薪邢玉薪邢玉薪邢玉薪English class presentationThis is a story about This is a story about virusesvirusesWhyamIathome?WhydontIgotoschool?WhydoIuseacomputerandamicrophoneformypresentation?ThisstorybeginswithA bat!The novel coronavirus has affected human life.We all hope the

2、y disappear soon.But viruses have never disappeared from human history.ItisnotexaggeratedtosaythItisnotexaggeratedtosaythatatthehistoryofhumanisththehistoryofhumanisthehistoryofthestruggleaehistoryofthestruggleagainstviruses.gainstviruses.PSPSSpeaking of Ebola,many people think he is scary and assoc

3、iate it with zombieszombies It is indeed very dangerous,its biosafety level is 4.And AIDS is Level 2 and SARS is Level 3.biosafety level(BSL)生物安全等级Level 2Level 3Ebola virus first emerged in 1976 in outbreaks of Ebola hemorrhagic fever in Zaire and Sudan.埃博拉病毒最早于1976年在扎伊尔和苏丹地区爆发埃博拉出血热时被发现。The strain

4、of Ebola The strain of Ebola that broke out in that broke out in Zaire has one of the Zaire has one of the highest case fatality highest case fatality rates of any human rates of any human virus,roughly 90%.virus,roughly 90%.扎伊尔型埃博拉病毒的致死扎伊尔型埃博拉病毒的致死扎伊尔型埃博拉病毒的致死扎伊尔型埃博拉病毒的致死率高达率高达率高达率高达90%90%90%90%，是致

5、死率最高，是致死率最高，是致死率最高，是致死率最高的几种人类病毒之一。的几种人类病毒之一。的几种人类病毒之一。的几种人类病毒之一。Symptoms include vomiting and diarrhea(腹泻),fever,weakness,headache and sore throat.Finally,manyorgansturnintoblood.If you want to know more about him,You can watch The Hot Zone.（血疫）And dont forgetBlack DeathPlague黑死病的名字来源于患者由于皮肤和组织的损坏全

6、身遍布黑色斑.This name comes from patients with black spots all over the body due to skin and tissue damage.If Ebola is the sickle(镰刀)of the death,then the Black Death is the death itself.在20世纪，这堪称人类史上最为惨烈的第二次世界大战，欧洲因战争而死去的总人数仅为其人口的5%。In the twentieth century,it was called the worst World War II in human

7、history,the total number of people who died in Europe due to war was only 5%of its population.Their Their Their Their faces are hidden faces are hidden faces are hidden faces are hidden in a birds beak mask,in a birds beak mask,in a birds beak mask,in a birds beak mask,which is filled with which is

8、filled with which is filled with which is filled with cotton and other cotton and other cotton and other cotton and other fillers for fillers for fillers for fillers for protection.protection.protection.protection.They They They They have a long stick in have a long stick in have a long stick in hav

9、e a long stick in their their their their hands to touch hands to touch hands to touch hands to touch patients.patients.patients.patients.Have you ever had chickenpox?Little Little surveysurvey:Smallpox is one of the oldest infectious diseases recorded by human beings.We can infer that smallpox has

10、been raging for at least 3,000 years in human history.天花是人类有记载的最古老的传染病之一。可以推断，天花至少在人类历史上肆虐了3000多年。However,such a terrible disease was completely extinct in May 1980,becoming the only infectious disease to be completely eradicated by humans so fat.然而，这么一个可怕的病魔，却在1980年5月被宣告彻底消灭，成为迄今为止人类唯一彻底消灭的传染病。Thev

11、irusisanunsolvedmystery.Wedontknowwhereitcamefromorhowtodealwithit.Itislikeavine(藤蔓)onthetreeofevolution,keepingbreeding.Butourhumanstrugglewillnotstop.Wear a mask,wash your hands frequently and gather less.Most importantly,refuse to eat wild animals.The victory belongs to us!The victory belongs to us!ThanksTomorrow will be better.