Unit+4+Breaking+boundaries+Understanding+ideas+知识点课件 高中英语外研版（2019）选择性必修第二册

Unit4UILanguagePointsPara1Todaywecelebrate.It’sexactlyonemonthsincethelastreportedcase.Butitisvitalnottotakeanychances.So,20healthcareworkersfromalmostasmanycountries,comradeinarms,raisevirtualglassestoeachother.(教材P50)It'sexactlyonemonth

sincethelastreportedcase．距离发现上一个报告病例已经整整一个月了。1.Ithasbeen/is＋时间段＋since从句(过去时did)...自...以来已有多久2.Itwas＋时间段＋since从句(过去完成时haddone)...自...以来已有多久3.Itwas/willbe/won’tbe＋时间段＋before...过了/要过/要不了...时间才...4.Itis/was＋时间点＋when......做某事时是...时间5.Itis/was＋时间状语＋that......是在...时做的某事。(强调句型)[即学即练]——单句语法填空/完成句子①—Itisfiveyears_____Ilastsawyou．—Yes,andwhatapityitissinceitwillbeseveralyears______weseeeachotheragain．②Itwasalreadymidnight_____myfatherreturnedhomefromhisofficelastnight．③Itwasnotuntil11p．m．____herealizeditwastoolatetoreturntothecamp．④他已经有几十年没见过如此壮丽的日出了。______________________hesawsuchamagnificentsunrise．sincebeforewhenthatIthasbeendecadessinceIarrivedinLiberiawithMSFalmostthreemonthsago.WhenIsawthetragicscenesonthenews,Ifeltitwasmydutyasadoctortogothereandoffermyhelp.IknewIwasputtingmylifeatrisk,butIthought,“IfIdon’tdoit,whowill?”ItisimportanttorememberthatEboladoesn’trespectnationalboundaries.Therearenobordersfordoctors,forpatientsorforanyoneelseinvolvedincombatingthisterribledisease.involvedin...作anyoneelse的后置定语=...anyoneelsewhoisinvolvedin...MymissionwastorelieveEmma,aCanadianspecialistininfectiousdiseasesattheendofherposting.Emmaspentanhourwithmeinthestaffroomtalkingmethroughthedailyroutine.Asshetalked,Icouldhearatleastthreedifferentlanguagesbeingspokenatthetablesaroundus.熟词生义relievev.给某人换班postingn.派驻，派任talksbthroughsth向某人详细解释某事hearsthdonehearsthbeingdoneLater,EmmaintroducedmetosomeoftheothersworkingfororalongsideMSF:Wilton,ayounglocalman,whohelpedcarrytheverysickintothetreatmentclinicandwhodisinfectedclothingandsurfaces;Maisy,aretiredpublichealthofficialfromDarwin,Australia,whoselocalteamofvolunteerseducatedpeopleonpreventinginfection;Alfonso,asoft-spokenArgentiniandoctorinhis50s,whohadpreviouslyworkedonEbolaoutbreaksinSierraLeoneandGuinea.Thelistwenton.IfoundthatIwastheonlyChinesedoctoramongpeopleofallages,coloursandbeliefs,fromeverycontinentexceptAntarctica.WitheachpersonImet,Ifeltagrowingsenseofprideaspartofthisextraordinaryteam,whosedevotiontothecauseshonefromtheireyes.bedevotedto(doing)sth/devoteoneselfto(doing)sth献身于，致力于In

the

few

weeks

since

then,I’vecometoknowthesepeopleverywell.Wehaveworkedtogether,surroundedbyblood,vomitanddeath.But,althoughthedeathrateisveryhigh,wewillnevergiveuponapatient,andeffortsdosometimesendinmiracles.Justaftermyarrival,afamilyofsixwerebroughthereinthebackofavan.Allofthemwereinfected.Thetwingirlsandtheirparentssoondied.Weknewtherewasalittlehopeforthebrothers,butwedideverythingwecouldtosavethem.Whenwevisitedthewardthenextmorning,wewereamazedtoseethatagainstallodds,bothboyswerestillalive.PascalandDanielhavesincemadeafullrecovery.Thissmallbutunexpectedsuccesscompensatedfor弥补

manyotherlessfortunatecases.that省略定语从句...butwedideverythingthatwecoulddo

tosavethem

To

be

caught

up

in困入

such

acrisiscreatespowerfulbondsbetweenpeople,notonlybetweencarersandpatients,butalsobetweenallthosewhohavecomefromdifferentpartsoftheworldandjoinedtogetherinacommoncause.ItissoinspiringtohavecolleagueslikeWilton,MaisyandAlfonso,nottomention更不用说alltheothersIhaveworkedwith.Nowmytimeisalmostup.Inafewdays,someoneelsewillarrivetostepintomyshoes,andthetirelessworkthattheMSFmembersdoinmorethan70countriesandregionsaroundtheworldwillgoon.Inaworldstillfacingsomanyproblems,itisabsolutelyessentialforusto

collaboratetocreateaglobalcommunitywithasharedfutureofpeaceandprosperity.facing...作world的后置定语=Inaworldwhich/thatstillfacessomanyproblems...(教材P52)ItisnotthefirsttimetheauthorhasworkedwithMSF．(1)It/This/Thatisthefirst/second...timethat.have/hasdone

It/This/Thatwasthefirst/second...timethat.haddone

这/那是某人第一/二……次……(2)It’stimetodosth．是做某事的时候了。(3)It’s(about/high)time(that)..shoulddo/did.

是做某事的时候了。It/This/Thatisthefirst/second...timethat...这/那是某人第一/二……次……①thefirsttime可以引导时间状语从句，意为“第一次”。ThefirsttimeImadeaspeechinfrontofsomanypeople,Ifeltquitenervous.我第一次在这么多人面前演讲时，感到很紧张。②forthefirsttime意为“第一次”，作时间状语。ShecametoBeijingforthefirsttimewhenshewaseight.她八岁的时候第一次来北京。[即学即练]——单句语法填空/完成句子①Youhavenowfinishedyourfirstsprint，soit'stime_______(start)onthenextone．②(应用文之倡议书)Itishightimethatwe________________(take)somemeasurestoprotectthewildanimals．③(应用文之欢迎辞)欢迎来到我的家乡。这是你第一次来到这里。让我告诉你去我家的路。Wel