2024-2025学年高二英语北师版选择性必修第三册教学课件 UNIT 9 LESSON 3

UNIT9HUMANBIOLOGYLESSON3

EPIDEMICSEXPLAINED

EPIDEMICSEXPLAINED ACTIVEANDSHRAEWhatdoyouknowaboutepidemics?Tick（√）thestatementsthatyouthinkarecorrect.

Activity1□Anepidemicistherapidspreadofaninfectiousdisease.□Anepidemiccanaffectalargenumberofpeopleinagivenpopulation.□Anepidemiccanoccurwithinashortperiodoftime，usuallytwoweeksorless.□Anepidemicmayspreadtoseveralcountriesorcontinents.□Somecommonviruses，suchasthecommoncold，arenotepidemics.□Anewepidemiccanbeadifferentvariationofavirusthatpeoplecaughtinthepast.READANDEXPLOREReadthepassage.Findoutwhatanepidemicisandhowadiseasecanbeclassifiedasanepidemic.Thencirclealltheepidemicsmentionedinthepassage.

Activity2birdflu，the1918SpanishFlu，TheBlackDeath，SARS，theEbolaVirusDisease

PairWorkReadthepassageagain.Completethetableabouttheepidemicsmentioned.Thenchooseonediseasetotalkaboutwithapartner.Activity3NamePeriod

PlacesDeathtollBirdFlu╳EpidemicsintheRomanEmpireTheBlackDeath╳TheSpanishFlu╳SARS╳EVDsince1997morethanahundredlives500—550CERomehalfthepopulationinthe1330sAsiaandEurope1918—theendofWorldWarⅠ50millionpeople2002—2003China，Canada，Vietnam

andSingapore2013—2016WestAfricamorethan11，310deathsActivity4

DevelopingConceptsBasedontheText

Conceptsarenotalwaysclearlydefinedinatext.Youneedtoreadanddevelopyourunderstanding·Readthetexttogetthegeneralidea.·Identifyalltheinformationrelatedtotheconcept，e.g.examples，developments，effects，etc.·Organisetheinformationandexplaintheconceptfromdifferentangles. SkillBuilderTick（√）theaspectsofinformationthatarementionedinthepassage.Useadiagramtodemonstrateinalogicalwayhowtheyareorganised.Activity4□whenepidemicsstarted_______ □definition_______ □examplesofepidemics_______ □whenitended_______

□treatments_______ □possiblecausesofepidemics_______

□baselinenumberofdeathsofepidemics_______ □possiblesolutions_______

√√√√√GroupWorkDiscussthequestions.

Activity51.Whatarethemainfeaturesofanepidemic?Giveatleasttwoexamplestoillustrateyourpoints.Themainfeaturesofanepidemic：（1）itisaninfectiousdisease（2）itspreadsrapidlytoalargenumberofpeoplewithinashortperiodoftime（3）acertainnumberofdeathshaveoccurredfromthedisease.Thecommoncoldisnotanepidemicbecausewhileitaffectsmanypeople，itdoesnotcausedeaths.SARSaffectedmanypeopleandcausedmanydeaths，soitisconsideredanepidemic. 2.Whatshoulddifferentcountriesdotopreventoutbreaksofepidemicsinthefuture?Why?Countrieswillneedtoworktogethertodothisbecauseteamworkamongnationsacrosstheglobecansavelives.Thisisagoodexampleofbuildingacommunitywithsharedfutureformankind. GroupWorkDiscussthequestions.

Activity53.Whatdoesthetitlemeantoyou?Whatdoesthewriterwanttoconveyinthepassage?Thetitlemeansthatthepassagewillexplainquestionsaboutepidemics.Thewriterwantstoconveytheinformationthatwearealwaysonourwaytofindanexplanationtoepidemicssoastofindcure.Italsoimpliesthatepidemicsoccurrednaturallyandinevitably.Wecanonlyexplainit，andcannotpreventitorstopitcompletelynow. 4.Whodoyouthinkthepassageiswrittenfor? Thisisapopularsciencearticle.Itismorelikelytobewrittenforpeoplewhoisinterestedinthistopicorwhohasalotofquestionsormisunderstandingofepidemics. Completethesesentencesinyourownwords. Activity61

Epidemicscanbecausedby...Epidemicscanbecausedbyavirusbeingcarriedintoanarea，orchangesinthewaypeoplelive. 2

Diseasescanonlybeofficiallyclassifiedasepidemicswhen...Diseasescanonlybeofficiallyclassifiedasepidemicswhenabaselinenumberofpeoplehavediedfromthedisease. Completethesesentencesinyourownwords. Activity63TheSpanishFluspreadworldwidebecause...TheSpanishFluspreadworldwidebecausesoldiersandotherpeopleweremovingandtravellingaroundtheworldafterWorldWarⅠ. 4

SincetheendoftheSARSepidemic，scientists...SincetheendoftheSARSepidemic，scientistshavebeendoingexperimentsontreatmentstopreventfurtheroutbreaks.

Completethesesentencesinyourownwords. Activity65

Countriesneedtoworktogethertoconductthoroughandsystematicresearchbecause... Countriesneedtoworktogethertoconductthoroughandsystematicresearchbecauseteamworkamongnationsacrosstheglobecansavelives.

PhrasalVerbs（2）（Theprepositionsandadverbsmaybeusedmorethanonce.）go_____________________________________________________.get_____________________________________________________.come_____________________________________________________.

Activity7TalkBuilderat，over，through，awayChooseprepositionsoradverbsintheboxtomakephrasalverbswiththethreeverbsintheWordBuilder.atinto

over

upwith

through

under

up

awayat，into，over，through，up，awayat，into，over，upwith，up，awayThenusethephrasalverbstocompletethefollowingsentences. Activity71

Themedicalexpertaskedafewquestionstotryto

thetruth.2

Booksonepidemics

themedicinesectionofthestore.3

Duringthiscourse，we’ll

themaincausesofbirdflu.4

Ittookhimaweekto

theflu.5

Hasyourheadache

yet?6

Thepriceofthisdrughas

twentycentssinceAugust.7

Areyouwillingtostandbyhimandhelphim___________thisdifficulttime?8

Jordanhas__________________somecreativeideasforhelpingthesick.

comeatgoundergoovergetovergotovergoneupgothroughcomeupwithⅠ阅读理解（根据课文内容选择正确答案）Whatisanepidemic?Itisaninfectiousdisease.B.Itisadiseasethatspreadsrapidly.C.Itisadiseasethatkillsagreatnumberofpeople.D.Itisaninfectiousdiseasethatspreadsrapidly.2.Whichofthefollowingstatementsisrightaboutanepidemic?Adiseasewhichcausesdeathscanbeclassifiedasanepidemic.B.Adiseasewhichspreadsrapidlycanbeclassifiedasanepidemic.C.EpidemicshavebeenhappeningforaslongastherehavebeenpeoplelivingonEarth.D.Epidemicscanonlybecausedbyavirusorbacteria.

○○3.Whichofthesediseasescanbeclassifiedasanepidemic?A.Commoncold. B.SARS.C.Cancer. D.Cough.4.WhydidtheSpanishFluspreadworldwiderapidly?A.TheWorldWarⅠspeededit.B.Peopleignoreditatfirst.C.ItstruckbeforeWorldWarⅠ.D.Themedicalconditionwaspoor.5.Inwhichsectionofanewspapermaythistextappear?A.Entertainment. B.Health.C.Education. D.Science.○○○Ⅱ语法填空（根据课文内容和语法规则完成短文）

Anepidemicisaninfectiousdiseasethat1_________（rapid）spreadstoalargenumberofpeoplewithinashortperiodoftime.Epidemicscanbecausedbyseveraldifferent2

（factor），suchasavirusorbacteria.

Oneoftheearliest3

（record）epidemicshappenedbetweenabout500and550CE.Itkilledcloseto50%ofthepopulation，4

（make）itoneofthereasonsofthefalloftheRomanEmpire.In5

1330s，theepidemicknownas“TheBlackDeath”returnedinAsiaandspreadtoEurope.Centurieslaterin1918，theSpanishFlu6

（strike）.In2002，SARSbegan7______

acaseoflungdiseaseinChina.ItspreadtoCanada，VietnamandSingaporeandlasteduntil2003.TheninWestAfricabetween2013and2016，therewasthemostwidespreadoutbreakoftheEbolaVirusDisease（EVD），8

killedover11，000people.

Governmentsworldwidehaveunderlinedthefactthattheyneed9

（far）medicalresearchonepidemics10

（get）atthecausesandcomeupwithcuresassoonaspossible.

rapidly

factors

recorded

makingthestruck

with

which

furthertogetLanguagepoints教材原句p.58Anewepidemiccanbeadirecrentvariationofavirusthatpeoplecaughtinthepast.一种新的流行病可能是过去人们感染的病毒的不同变种。1variationn.变化物，变体；差异，变动Thedialrecordsveryslightvariationsinpressure.该刻度盘能显示很微小的压力变化。【归纳拓展】varyv.变化；相异；改变varyfrom...to...由……到……不等varyfromplacetoplace各地不同varyfrompersontoperson因人而异varywiththeseasons随季节而变化varyincolourandsize色彩和大小各异 核心词汇题组练·领悟方法完成句子（1）Ourcustoms

（各地不同）.单句语法填空（2）Peoplevary

preferenceforcolour.（3）There’snodoubtthatcustomsvary

thetimes.（4）［词汇复现］Takeiteasy!Jacketsareavailablein

（vary）colours.（5）［词汇复现］Disneyland，afantasyamusementpark，whichoffersa

（vary）ofattractionsfortourists，bringsyouintoamagicalworld.（6）Thissoupisaspicy

（vary）onatraditionalfavourite.

varyfromplacetoplace

inwithvariousvariety

variation教材原句p.58Eachdiseasecanonlyoiciallybeclassifiedasanepidemic...……某种疾病才会被正式定性为流行病。2classifyvt.将……分类；把……归入一类 beclassifiedby/accordingto根据……分类搭配 beclassifiedinto被分成…… beclassifiedas被划分为……

Allemployeesareclassifiedaccordingtocompetence.所有员工是按照能力分类的。［词汇复现］Thesefilesareclassifiedintothreecategoriesaccordingtothecontents.根据内容，这些文件被分为三种类型。［词汇复现］Onlyelevenoftheseaccidentswereclassifiedasmajor.这些事故中只有十一例被判定为重大事故。【词语积累】classificationn.分类；类别，等级【学法点拨】-ify/-fy为动词后缀，表示“使得，变成”。simple→simplifyvt.简化pure→purifyvt.净化beautiful→beautifyvt.美化identity→identifyvt.认出，识别 单句语法填空（1）Itisrequiredthatthebooksinthelibraryshouldbe

（classify）bydifferenttopics.（2）Fromtheclassicalclass，thestudentwithglassesknowsthe

（classify）ofclassics.（3）Itmeanswehavenotallowedourselves__________________（classify）asobjects.（4）Theapplicationformhasnowbeen

（simple）.完成句子（5）Meninthepostoffice

（根据……将邮件分类）placesitistogo.（6）Weusually

typesofcharacters

（把……划分为）goodandbad.classifiedclassification

tobeclassifiedsimplified

classifymailaccordingtoclassifyas教材原句p.58Soaveryrarediseasewillhavealowbaseline...罕见疾病的基线很低……3rareadj.稀有的，罕见的，不常发生的ararebook/coin/stamp珍贵的书/硬币/邮票ararebreed/plant珍稀物种/植物Itisrarefortheseamantolivesuchaneasylifeonland.海员在陆地上过着如此安逸的生活是很少见的。［词汇复现］【学法点拨】rare的副词形式为rarely，更多的情况下表示“很少，几乎没有”，为接近否定意义的词，置于句首时，句子要用部分倒装。RarelycanIhavetimetoglancethenewspaperintheoffice.我在办公室里很少有时间浏览报纸。［词汇复现］ 单句语法填空（1）Itisrare

（find）suchloyaltythesedays.（2）［词汇复现］Itwas

rarehonourtobemadeafellowofthecollege.（3）［词汇复现］Thescientistabsorbedhimselfinstudiesand

（rare）caredaboutclothesandfood.

tofinda

rarely教材原句p.58...asopposedtomorecommondiseases，suchastheu，thathaveahigherbaseline.……与此相反，常见疾病的基线较高，如流感。4opposedadj.与某事物相反；反对某事物，不赞成某事物搭配：beopposedto（doing）sth反对（做）某事asopposedto与……截然相反；而，相对于Thisexercisedevelopssupplenessasopposedto（=ratherthan）strength.这项锻炼不是增强力量，而是增强柔韧性的。Icameupwithaproposal，andnobodywasopposedtoit.我提出了一项建议，没有人反对。［词汇复现］ Hewasopposed/objectedtotakingtheriskoftryingoutthenewmethod.他反对冒险试验这个新方法。Ihaveneversubscribedtotheviewthatfemalesarenotfitforthiskindofjob.我向来不赞同女性不适合这种工作的观点。

单句语法填空（1）Manylocalpeopleopposed

（build）thenewairport.（2）［词汇复现］Themajorityofmemberswereopposed

myproposal，whichupsetmegreatly.（3）［词汇复现］Wearestrongly

（oppose）toracialprejudice.（4）Thereare200peopleattended，asopposed

300thepreviousyear.（5）［词汇复现］Totellthetruth，Iamstronglyopposedto

（clone）anykindofanimalsnomatterwhatcircumstances. buildingtoopposed

to

cloning同义句转换（6）Iwasagainsttheunfairjudgement.→______________________________________________________→______________________________________________________→______________________________________________________Iopposedtheunfairjudgement.Iwasopposedtotheunfairjudgement.Iobjectedtotheunfairjudgement.原句p.58Thecommoncoldisawidespreadvirusthataectsmillionsofpeople...普通感冒由一种广泛传播的病毒引起，可感染数百万人……5widespreadadj.分布广的，广泛流传的；普遍的，广泛的widespreaddamage大面积的损坏Widespreadfloodsstrucklargeareasofthevillage.泛滥的洪水侵袭了这个村庄的大片区域。［词汇复现］Thegovernmentactedquicklytorelievethewidespreaddistresscausedbytheearthquake.地震造成大范围的灾难，政府迅速采取行动赈济灾民。 完成句子（1）Thehighcostprohibitsthe

（广泛应用）ofthedrug.（2）Theplanreceived

（普遍支持）throughoutthecountry.（3）Thenewlawsgained

（普遍认同）.（4）Thisdiseasehas

（广泛的影响）insomeareas.widespreaduse

widespreadsupportwidespreadacceptance

awidespreadinfluence教材原句p.58...JimSmithlooksatthesometimesdepressinghistoryofepidemicsforclues...……吉姆·史密斯……在屡屡令人感到沮丧的流行病史中寻找线索……6depressingadj.令人沮丧的，让人忧愁的adepressingsight/thought令人沮丧的景象/想法Theapplicanthasbeendepressingthesedaysforhewasrejectedmorethanonce.这名申请者这几天一直很沮丧，因为他已多次被拒绝。［词汇复现］【词语积累】depressvt.使沮丧；使萧条depressedadj.沮丧的；萧条的depressionn.沮丧；不景气Hungerandcoldcanmakepeoplefeeldepressedandloseconfidence.饥饿和寒冷能让人感到沮丧，失去信心。Heisdepressedbecausehehasn’tbuiltuphisowncompanyuptonow.他很沮丧，因为他至今还没有成立自己的公司。［词汇复现］【温馨提示】跟其他-ed和-ing形式的形容词一样，depressed修饰人的声音、表情、感受等，而depressing则修饰物。单句语法填空（1）Hearingthe

news，hefeltvery

.（depress）（2）［词汇复现］Hewentintoadeep

（depress）afterhefailedtocomforthisfriend.（3）Hewasnotsatisfiedwiththesummercampbecausethewholeexperiencewas____________（depress）.（4）［词汇复现］ItstruckmethatIshouldn’thavebeenso

（depress）forsuchanunimportantthing.（5）Icantellatfirstsightthatheismorethanalittle

（depress）bythefailure.

depressingdepressed

depressiondepressingdepresseddepressed教材原句p.59...especiallyasscientistswhohavegoneintodetailstudyingtissuesamples...尤其是当科学家们仔细研究了……组织样本……7gointodetail详述，详细叙述Alandoesn’tgointodetailabouthowtheygotthepassword.艾伦没有详细说明他们是如何得到密码的。Wewon’tgointodetailonthistopicinthisarticle.在本文中，我们不会详细讨论这个主题。【归纳拓展】indetail详细地thedetailedinformation详细的信息We’dbetterdiscusseverythingindetailbeforeweworkouttheplan.在我们制订计划之前，我们最好详细地讨论每件事。 单句语法填空（1）Nowlet’sgo

detailandtakeacloserlookateachofthetrendspresentedabove.（2）［词汇复现］Weexaminethewording

detailbeforedecidingonthefinaltext.完成句子（3）Hedoesn’t

（详述）abouthowthestorieshappened.

intoin

gointodetail教材原句p.59Scientistsnowestimatethatupto50%ofthearea’spopulationdiedfromtheepidemic...现今科学家估计，发病区域多达50%的人口死于这一流行病……8estimatevt.&n.（1）n.估计，计算 Icangiveyouaroughestimateoftheamountofwoodyouwillneed.我可以粗略估计一下你所需要的木材量。officialgovernmentestimatesoftrafficgrowthoverthenextdecade政府对今后十年交通增长的正式估计（2）vt.估计，计算搭配：Itisestimatedthat...据估计……Itisestimatedthattheprojectwilllasttenyears.据估计，这项工程将用时10年。Policeestimatethecrowdat30，000.警方估计聚集的人有3万。Thedealisestimatedtobewortharound$1.5million.这笔交易估计价值150万美元左右。 【归纳拓展】Itissaidthat...据说……Itisreportedthat...据报道……Itisannouncedthat...据宣布……Itishopedthat...人们希望……Itisbelievedthat...人们相信……Itissuggestedthat...有人建议……Itisconsideredthat...有人认为……Itisreportedthatthebuscontaining20passengerscrashedintotheriverduetothedriver’scarelessness.据报道，由于司机的粗心，一辆载有20名乘客的公共汽车坠入河中。［词汇复现］【学法点拨】以上结构都可以改成“主语+be+过去分词+todo”结构。 单句语法填空（1）Itishard

（estimate）howmanychildrensufferfromdyslexia（诵读困难）.（2）［词汇复现］It

（estimate）thathalfoftheparticipantswillbeopposedtotheplan. （3）Thesalesfigureofthismonthisestimated

（rise）by15%.（4）［词汇复现］It

（say）thatcommunicatingmorewithyourchildrencanpreventthemfromdepression.（5）［词汇复现］Theconstructionwork

（estimate）tocompletebytheendofnextmonth. toestimateisestimatedtorise

issaidisestimated同义句转换（6）Itisestimated（that）theprojectwilllastfouryears.→______________________________________________________________→______________________________________________________________（7）ItissaidthatthenewChinesepandacoinismadeupof99.9％gold.→______________________________________________________________→______________________________________________________________

Peopleestimatethattheprojectwilllastfouryears.Theprojectisestimatedtolastfouryears.PeoplesaythatthenewChinesepandacoinismadeupof99.9%gold.ThenewChinesepandacoinissaidtobemadeupof99.9%gold.

教材原句p.59...becauseonevisiblesymptomwasblackspotsonthebody.由于患者身上会出现明显的黑斑症状……9visibleadj.看得见的Thehouseisclearlyvisiblefromthebeach.从海滩可以清楚地看到那所房子。【词语积累】invisibleadj.无形的，看不见的visiblyadv.明显地；易察觉地Thepasswordshouldbeinvisibletous.密码对我们来说应该是不可见的。Walkthewalk，anddoitvisibly，sootherscanseewhatyou’redoing.走自己的路，正大光明，所以别人才能够看到你正在做的。 单句语法填空（1）Icaughtaglimpseofherinthecrowdbutsoonshewas

（visible）.（2）Hewasvery

（visible）upsettohearofsomeofthethingsthatweretoldintheRyanReportandhowthechildrenhadsuffered.（3）Therearemanystarsinvisible

thenakedeye.完成句子（4）Heshowed

（不露声色）.

invisiblevisibly

to

novisiblesignofemotion教材原句p.59Familieswhohadonlyjustgotthroughthewarnowhadtoburytheirlovedones...刚刚熬过战争的人们现在不得不埋葬他们的亲人……10getthrough（1）（设法）做完；完成；通过（测试等）；渡过（难关）Itisestimatedthatwehavegotthroughhalfoftheconstructionofourfence.据估计，我们的篱笆工程已完成了一半。［词汇复现］（2）设法联系上（尤指打通电话）I’mafraidthephoneisoutoforderandIcan’tgetthrough.恐怕电话出毛病了，我打不通。 【归纳拓展】getacross被理解getaround传播；流传getover克服；控制getalongwith（和某人）和睦相处；进展getin进入；收割geton进展，进步getawaywith带着……潜逃；做坏事而未受到惩罚getdownto（doing）sth开始认真（做）某事Hemanagedtogetoverthepainofhischestanddialledthepolice.他终于克服了胸口的疼痛，给警察打了电话。［词汇复现］ 单句语法填空（1）Ifwecanget

ourpresentdifficulties，theneverythingshouldbeingoodcondition.（2）Anyway，we’reherenow，solet’sgetdownfirst

somecomplicatedtasks.（3）［词汇复现］Theonlycomfortforhiminthesedepressingdaysisthathehasgot

___________hisgraduationessay. （4）I’vebeentryingtophoneCharlesallevening，buttheremustbesomethingwrongwiththenetwork；Ican’tseemtoget

.（5）［词汇复现］Thefarmerwassoabsorbedingetting

hiscropsthathedidn’tnoticeasnakewindinginfrontofhim.

overto

throughthrough

in11buryvt.埋葬，安葬；埋藏搭配 buryone’sface/headinsth把脸/头埋在某物里面 beburiedin/buryoneselfin埋头于，专心于

Shesatthere，buriedinthought.她坐在那儿，陷入了沉思。Sheburiedherfaceinherhandsandbegantocry.她双手掩面开始哭泣。HehasburiedhimselfinrecitingEnglishwordssincethewintervacationbegan.=HehasbeenburiedinrecitingEnglishwordssincethewintervacationbegan.寒假一开始，他就埋头于背英语单词。［词汇复现］ Thegirlwassittingonaparkbench，buryingherselfin/buriedin/absorbedinherbook.女孩坐在公园的长椅上，专心致志地看书。Buryingherselfinthefilm，shedidn’tknowitwassnowingoutside.她埋头看电影，不知道外面在下雪。

单句语法填空（1）Theoldphotos

（bury）atthebottomofthesuitcaseremindedmeofthosehappyolddays.同义句转换（2）［词汇复现］

（bury）inthefiction，theboyhasforgottenallaroundhim.=

（bury）himselfinthefiction，theboyhasforgottenallaroundhim.完成句子（3）［词汇复现］

（埋头于）thefarmwork，Tomdidn’tnoticetheeruptionoccur.（4）Aftertheargument，she

（专心于）herstudy.

buriedBuriedBurying

Buriedin/Buryinghimselfinwasburiedin/buriedherselfin/wasabsorbedin教材原句p.59Asaresultofthewar，morepeopleweretravellingandmovingperhapsthaneverbeforeinhistory...战争引发的人口流动前所未有……12asaresultof由于；作为……的结果Theplanfailedasaresultoflackoffinance.这个计划由于缺乏资金而失败。［词汇复现］【词语辨析】asaresultof与asaresultasaresultof“由于；作为……的结果”，后接名词、代词或动名词作宾语。asaresult“因此，结果”，一般放在句首，后面常加逗号。 Thereisnodoubtthathisdrunkdrivingresultedintheaccident.毫无疑问，他的酒驾导致了这次事故。 选词填空（asaresult/asaresultof）（1）Hehadsomebadfish.

，hefeltillthismorning.（2）［词汇复现］Hecan’tparticipateinthesportsmeeting

hisseriousinjuriesinanaccident.单句语法填空（3）Hislazinessresulted

hisfailure；thatistosay，hisfailureresulted_________hislaziness.（4）［词汇复现］Alotofpeopleinthisareadiedas

resultoftheoutbreaklastyear.Asaresult

asaresultof

infrom

a教材原句p.59...suchepidemicsnolongerposedathreat... ……这种大规模流行病不会再对人类构成威胁……13posevt.&n.（1）vt.造成，引起，产生（问题、危险、困难等） poseathreat/challenge/danger/risk构成威胁/挑战/危险/风险poseassb佯装/冒充/假扮某人Theyposeaseriousthreattosecurity.他们对安全构成严重威胁。［词汇复现］（2）n.（为画像、拍照等而摆的）姿势，姿态Thephotographeraskedhertorearrangeherselfinanotherpose.摄影师要她重新摆一个姿势。［词汇复现］ 单句语法填空（1）［词汇复现］Themanposedhimself

aspecialisttocheatthefarmertobuyhisproducts. （2）Thefellowenteredthebuilding

（pose）asaworkman.完成句子（3）Radiowavesthatmobilephonesemitmaynot_______________（对……构成威胁）health.

as

posing

poseathreatto教材原句p.59...scientistshavebeendoingtrialsontreatmentstopreventanyfutureoutbreaks.……科学家们一直在试验各种治疗手段，以防止未来疫情再爆发。14trialn.试验；审判，审理beontrial在试验中；在受审中trialanderror反复试验standtrial/goontrial受到审判bringtotrial送交法院审判cometotrial开庭审理Thenewdrugisundergoingclinicaltrials.这种新药正在进行临床试验。 单句语法填空（1）He’s

trialformurder.完成句子（2）Theydidn’tknowhowtoputinacentralheatingsystem，buttheymanageditby________________（反复试验）.（3）Shewill

（受到审判）forfraud.（4）［词汇复现］Themanwhohurtthewhaleonpurposewill

（送交法院审判）.

ontrialanderror

standtrial/goontrialbebroughttotrial15outbreakn.（战争或疾病）爆发，突然发生theoutbreakofwar战争的爆发Thecholeraoutbreakhasbeencontained.霍乱的爆发已被遏制住。［词汇复现］Theareawasstruckbytheoutbreakofepidemic.这一地区突然发生了流行病。［词汇复现］【归纳拓展】v.+adv.→n.（由动词短语转化而来的合成名词）breakdown出故障→breakdownn.故障breakthrough突破→breakthroughn.突破putout生产，输出→outputn.产量，输出comein进来→incomen.收入comeout出现，结果是→outcomen.结果，后果Alwayscarryyourtoolboxincaseyouhaveabreakdownonthemotorway.

随身携带工具箱，以防汽车在高速公路上抛锚。

选词填空（outcome/breakthrough/breakdown）（1）ThecauseofAIDSismadeclear，whichwillhelptomakeagreat______________inthetreatmentofthedeadlydisease.（2）Havingconfidenceinyourselfwillhelpyoumakebetterchoicesbecauseyoucanseewhatthebest______________wouldbeforyourwell-being.（3）Itdoesn’tcomeasashocktolearnthatthefuelandcoolingsystemsarethemostcommoncausesof______________.

breakthrough

outcomebreakdown教材原句p.59...buttheactualnumberofdeathsisprobablymuchhigher.……而实际死亡人数可能要更高。16actualadj.实际的，真实的inactualfact实际上，事实上Theactualcostoftheconstructionwashigherthanweexpected.实际建造成本比我们预计的要高。［词汇复现］Inactualfact，theinformationisprocessedinarandomorder.事实上，信息是按随机顺序处理的。［词汇复现］【归纳拓展】actuallyadv.实际上，说实在的；事实上actually=in（actual）fact=asamatteroffact实际上，事实上 Thepresentsituationisactuallymorethanalittledepressing.=Actually/Infact/Inactualfact/Asamatteroffact，thepresentsituationismorethanalittledepressing.目前的情况实际上非常令人沮丧。［词汇复现］单句语法填空（1）［词汇复现］Mostpeopleworkbecauseit’sunavoidable.Bycontrast，therearesomepeoplewho

____________（actual）enjoywork.（2）

（actual），itwashumanbehaviourthatresultedinthecatastrophe.（3）［词汇复现］

actualfact，Ihaven’tmadesenseofwhatthespecialistsaidatthemeeting.（4）［词汇复现］As

matteroffact，itisawidespreadconcernfortheparentstoseetheirchildrenaddictedtothemobilephone. 完成句子（5）_________________________________________________（事实上），everybodyhaslimitlesspotential.

actually

Actually

Ina

Actually/Infact/Inactualfact/Asamatteroffact教材原句p.59...governmentsworldwidehaveunderlinedthefactthattheywantthoroughandsystematicmedicalresearchonepidemics...……世界各国政府都已经强调，要对流行病进行彻底和系统的医学研究……17underlinevt.强调，使突出；在……之下划线Thereportunderlinestheimportanceofpreschooleducation.这份报告强调学前教育的重要性。Theyunderlinethefactthateverysubjecthasitsownimportanceandpupilswillabsorbknowledgeusefulfortheirfuture.他们强调每个学科都有其重要性，而学生会吸收对他们的未来有用的知识。［词汇复现］ 单句语法填空（1）Thereport

（underline）hisconcernthatstandardswereatrisk.完成句子（2）Thisincident

（显示了……危险）oftravellingintheborderareas.

underlinedunderlinesthedanger18thoroughadj.彻底的，全面的，详尽的Youmustseeyourdoctorforathoroughexamination.你