Unit9HumanBiologyLesson3EpidemicsExplained课件-高中英语北师大版选择性2

LESSON3EPIDEMICSEXPLAINEDUNIT9HUMANBIOLOGYLEARNINGOBJECTIVESToreadandtalkaboutepidemicsanddiseases;Tocomparepersonalopinionswiththeideasofothers;Toreadforspecificinformationtounderstandwordsincontext;Tonoticetheorganisationalstructureofthepassage;Toexpressanddiscussideasinagroupsetting;Tolearnandpractiseusingphrasalverbs;Tosearchonlineforinformationandpresentfindingstotheclass.KEYPOINTSANDDIFFICULTPOINTSToanswerthecomprehensionquestions;Togetkeyinformationinthetext;Togettheorganisationalstructureofapassage;Tolearnwordsandexpressionsincontext;Tostrugglewithcomplicatedsentencestructures;Tothinkcriticallyandexpressopinionsfreely.EXPRESSYOURSELFSearchonlineandfindsomeinformationaboutepidemicsinChinaorAsia.Reportyourinformationtotheclass.COVID-19isanewstrainofcoronavirusthathasnotbeenpreviouslyidentifiedinhumans.TheCOVID-19isthecauseofanoutbreakofrespiratoryillnessfirstdetectedinWuhan,Hubeiprovince,China.SinceDecember2019,caseshavebeenidentifiedinagrowingnumberofcountries.Andthenumbercontinuestoincrease...FOCUSONLANGUAGE:PHRASALVERBS(2)ChooseprepositionsoradverbsintheboxtomakephrasalverbswiththethreeverbsintheWordBuilder.PhrasalVerbs(2)atintooverupwiththroughunderupaway(Theprepositionsandadverbsmaybeusedmorethanonce.)go_____________________________________________________.get____________________________________________________.come__________________________________________________.at,over,through,awayat,into,over,through,up,awayat,into,over,upwith,up,awayFOCUSONLANGUAGE:PHRASALVERBS(2)Thenusethephrasalverbstocompletethefollowingsentences.1.Themedicalexpertaskedafewquestionstotryto___________thetruth.2.Booksonepidemics___________themedicinesectionofthestore.3.Duringthiscourse,we’ll___________themaincausesofbirdflu.4.Ittookhimaweekto___________theflu.comeatgoundergoovergetoverFOCUSONLANGUAGE:PHRASALVERBS(2)Thenusethephrasalverbstocompletethefollowingsentences.5.Hasyourheadache___________yet6.Thepriceofthisdrughas___________twentycentssinceAugust.7.Areyouwillingtostandbyhimandhelphim_____________thisdifficulttime8.Jordanhas__________________somecreativeideasforhelpingthesick. gotovergoneupgothroughcomeupwithGRAMMAR动词短语一、定义两个或两个以上的词在一起构成一个固定结构，表达一种特定的含义，作用近似于一个单一动词，称为动词短语。如：leaveoff＝stop停止；makeout＝understand理解arriveat＝reach到达；ringup＝telephone打GRAMMAR动词短语二、构成1.动词＋副词这种结构在英语中使用十分广泛，如果后面接代词作宾语时，只能放在动词和副词之间；如果接名词，可以放在动词和副词之间，也可以放在它们的后面。如putup,bringup,setup,goup等。GRAMMAR动词短语二、构成1.动词＋副词Pleaseputupthepictureonthewall.请把画贴在墙上。Heputonthecoat,turnedoffthelightandwenttoseeamovie.他穿上大衣、关上灯去看电影了。GRAMMAR动词短语二、构成2.动词＋介词其后可以跟名词、代词、动名词等。常见的有：lookafter,takeafter,carefor,careabout,lookfor,lookat,arriveat,runinto,breakinto,listento等。GRAMMAR动词短语二、构成2.动词＋介词Sheisavolunteer.Sheislookingafterthesickkidinthehospital.她是个志愿者，她正在医院里照看那个生病的孩子。Somerobbersbrokeintoastoreandtookawayallthemoney.几个强盗闯进了一家商店，拿走了所有的钱。GRAMMAR动词短语二、构成3.动词＋副词＋介词常见的有：lookdownupon/on,lookupto,comeupwith,putupwith,doawaywith,breakawayfrom,lookforwardto等。GRAMMAR动词短语二、构成3.动词＋副词＋介词TheylookforwardtovisitingParis.他们盼望着参观巴黎。Weshouldrespectothersandneverlookdownonthemwiththeirjobs,ordisabilities.我们应该尊重他人，永远不要因为他们的工作或身体残疾而看不起他们。VOCABULARY1.variationvaryv.变化；相异；改变

varyin在……不同

varywith随……变化variousadj.各种各样的varietyn.种类，多样性avarietyof=varietiesof=various各种各样的varyfrom...to...由……到……不等varyfrompersontoperson因人而异练习：Thedialrecordsveryslight______________inpressure.variationsVOCABULARY2.classifybeclassifiedby/accordingto根据……分类beclassifiedinto被分成……beclassifiedas被划分为……classificationn.分类；类别，等级simple→simplifyvt.简化pure→purifyvt.净化beautiful→beautifyvt.美化identity→identifyvt.认出，识别

练习：Weusually__________typesofcharactersasgoodandbad.classifyVOCABULARY3.opposedbeopposedto(doing)sth.反对（做）某事asopposedto与……截然相反；而，相对于

反对(做)某事：oppose(doing)sth./beagainst(doing)sth.objectto(doing)sth./beopposedto(doing)sth.练习：Icameupwithaproposal,andnobodywas____________toit.opposedVOCABULARY4.estimateItisestimatedthat...据估计……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……练习：Itis_____________thattheprojectwilllasttenyears.estimatedVOCABULARY5.outbreakbreakdown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，后果练习：Theareawasstruckbythe_____________ofepidemic.outbreakVOCABULARY6.getthrough（1）（设法）做完；完成；通过（测试等）；渡过（难关）（2）设法联系上（尤指打通）getacross被理解getaround传播；流传getover克服；控制getalongwith（和某人）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）某事练习：I’mafraidthephoneisoutoforderandIcan’t_____________.getthroughLANGUAGEPOINTS1.Withrecentpressreportsdrawingparallelsbetweenbirdfluandkillerepidemicsofthepast,JimSmithlooksatthesometimesdepressinghistoryofepidemics.with+宾语+宾补常在句中作状语，表示原因、方式、时间、条件或伴随等。形式有：（1）with+宾语+形容词Hedeterminedtoreturntohishomelandwiththesituationtheredepressing.他决心回国，因为那里的局势令人沮丧。LANGUAGEPOINTS（2）with+宾语+副词Helefttheoffice,withthelighton.他开着灯离开了办公室。

（3）with+宾语+现在分词（表示主动或正在进行）Withthespecialistdirectinghim,hehasmadeuphismindtogrowhisownvegetablesingreenhouses.在专家的指导下，他决定自己种植大棚蔬菜。（4）with+宾语+过去分词（表示被动或已经完成）Withalltheworkfinished,theyhurriedbackhomeforlunch.所有工作都做完了，他们匆忙回家吃午饭。LANGUAGEPOINTS（5）with+宾语+动词不定式（表示尚未发生）Withsomanythingstodealwith,Ican’tgoonholiday.有这么多的事要处理，我不能去度假。（6）with+宾语+介词短语Hecameinwithabookinhishand.他进来了，手里拿着一本书。Doyouknowtheladywithababyinherarms你认识那个抱着婴儿的女士吗？（with复合结构作定语）LANGUAGEPOINTS2.Scientistsnowestimatethatupto50%ofthearea’spopulationdiedfromtheepidemic,makingitoneofthemaincausesofthefalloftheRomanEmpire.现在分词短语作结果状语，通常放在句末。有时为了突出结果，现在分词前可加thus或therefore，相当于so或sothat引导的结果状语从句。Carbonburnsinoxygenorair,thereforeformingcarbondioxide.碳在氧气或空气中燃烧，因而形成了二氧化碳。Greatchangeshavetakenplaceinourcountryinthepastfewyears,makingitoneofthepowerfulcountriesintheworld.在过去的几年中，我国发生了巨大的变化，使它成为世界上强大的国家之一。LANGUAGEPOINTS3.Havingkilledupto50millionpeoplein18months,theSpanishFluisbelievedtohavebeenthemostsevereepidemicinhistory.现在分词的完成式作状语

表示动作发生在谓语动词动作之前。Igottotheofficeearlierthatday,havingcaughtthe7:30trainfromPaddington.那天，我赶上了从帕丁顿开来的7:30的火车，提前到了办公室。Havingbeenaskedtoworkovertimethatevening,Imissedawonderfulfilm.（被动意义，非谓语动词的动作发生在谓语动词动作之前）由于那天晚上被要求加班，我错过了一场精彩的电影。PRACTICE1.China’seffortsonfoodproductionandsafetywillpay____________afterthenewfoodlawisintroduced.2.Ningboisasmallcity.Therefore,tospeed____________theflowoftraffic,thegovernmenthasdeterminedtobroadensomemainstreets.3.Adoptingthedoctor’sadvice,hecutdown____________coffeeandcigarettesandateabalanceddiet. 4.EinsteinlikedBose’spapersomuchthatheset____________hisownworkandtranslateditintoGerman.offupon

aside

PRACTICE5.Ifyousitinanofficealldaylongandrarelywork____________,you’relikelytosufferfromneckandbackpains. 6.Twodoctorsandeightnursesmake____________themedicalteam,whichwillbesenttothecountrysideforthesakeofthevillagers’health.7.Ourclassconsist