Unit 4 Breaking boundaries Understanding ideas 课件-2024-2025学年高中英语外研版（2019）选择性必修第二册.pptxVIP

Unit4

Breakingboundaries;Understandingideas;;;ReadthejournalofanMSFdoctorandfindoutwhatproblemhewasinvolvedintackling.

Thedoctorwasinvolvedintacklingtheinfectiousdisease_____in_______.;HowmuchdoyouknowaboutEbola?;1.deadly;埃博拉(Ebolavirus)又译作伊波拉病毒。是一种十分罕见的病毒，1976年在苏丹南部和刚果(金)(旧称扎伊尔)的埃博拉河地区发现它的存在后，引起医学界的广泛关注和重视，埃博拉由此而得名。

埃博拉是一种能引起人类和灵长类动物产生埃博拉出血热的烈性传染病病毒，有很高的死亡率，在50%至90%之间，致死原因主要为中风、心肌梗塞、低血容量休克或多发性器官衰竭。埃博拉病毒，生物安全等级为4级(艾滋病为3级，SARS为3级，级数越大防护越严格)。病毒潜伏期可达2至21天，但通常只有5天至10天。;1．What’sthemainideaofthepassage?

A．MyexperienceasavolunteerinLiberiatofighttheEbolaepidemic.

B．Imadefriendswithsomepeoplefromdifferentcountries.

C．ThetragicscenesbroughtaboutbyEbola.

D．Howtodovoluntaryworkinaforeigncountry.;3．Readthepassageandmatcheachparagraphwithitsmainidea.

Para.1A．ThetirelessworktheMSFmembersdowillgoon.

Para.2B．Gainsinwork.

Para.3C．Anexampleinwork.

Para.4D．Collaboratewithmycolleagues.

Para.5E．MymissiontoLiberiaandmycolleagues.

Para.6F．IarrivedinLiberia.

Para.7G．Celebrateavictoryofanti-epidemics.;Theauthor’sfeelings;22March2015

Todaywecelebrate.Itsexactlyonemonthsincethelastreportedcase.Butitisvitalnottotakeanychances.So,20healthcareworkersfromalmostasmanycountries,comradesinarms,raisevirtualglassestoeachother.;3．Whatdoes“Eboladoesn’trespectnationalboundaries”mean?

Theepidemichasnonationalboundariesandneedsinternationalcooperation.

4．Whichfigureofspeech(修辞手法)isusedinthissentence?

A．Simile(明喻). B．Personification(拟人)．

C．Hyperbole(夸张). D．Metaphor(暗喻)．;IarrivedinLiberiawithMSFalmostthreemonthsago.WhenIsawthetragicscenesonthenews,Ifeltitwasmydutyasadoctortogothereandoffermyhelp.IknewIwasputtingmylifeatrisk,butIthought,“IfIdon