北师大版高中英语选修7课件Unit-21-Human-Biology-21.3ppt版本

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Lesson3EpidemicsExplained一二三四一、释义搭配1.urbanA.veryseriousorsevere2.prohibitB.theprocessofchangingsth.tosuitanewsituation3.acuteC.trustinone’sabilityorknowledge4.faithD.toknowaboutsth.beforeithappens5.thoroughE.tofeelverysad6.mournF.tostopsth.frombeingdone7.foreseeG.thenormalorderinwhichyoudosth.8.adaptationH.connectedwithatownorcity9.routineI.tojointogetherwithotherpeople10.uniteJ.donecompletely答案:1~10HFACJEDBGI一二三四二、完成短语1.彻底毁灭out2.席卷sweep3.达到up4.像……一样长aslong5.对……有害beharmful6.导致leadwipethroughtoastoto一二三四三、阅读EPIDEMICSTHROUGHOUTHISTORY,将下列事件按时间顺序排列A.OneoftheearliestepidemicssweptthroughNorthAfrica,theMiddleEastandEuropeabout500-550AD.B.ExpertsunitedtostopSARSspreading.C.TheSpanishFlukilledupto50millionpeoplein18months.D.Overninemonths,thenumberofglobalcasesofSARSpassed8,000and774peopledied.E.TheBlackDeathspreadinthe1330’sinAsia.正确顺序为:答案:A→E→C→D→B一二三四四、完成句子1.随着近期的媒体报道将禽流感与过去的一种致命传染病画上等号,吉姆·史密斯快速查看了传染病的历史,寻找关于将来可能发生的情况的线索。betweenBirdFluandakillerepidemicinthepast,JimSmithlooksthroughthehistoryofepidemicsforcluesaboutwhatthefuturemighthold.(with的复合结构)2.现在科学家们猜测,当时那一地区多达百分之五十的人口死于这场流行病,使之成为罗马帝国衰落的主要原因之一。Scientistsnowguessthatupto50%ofthearea’spopulationdiedfromthisepidemicofthefalloftheRomanEmpire.(动词-ing短语作结果状语)Withrecentpressreportsdrawingparallelsmakingitoneofthemaincauses一二三四3.“非典”始于2002年发生在广东省的一起肺部疾病,在病毒携带者刘建军医生到达香港后该疾病迅速传播,他将病毒传染给了其他人,而这些人又将病毒携带到加拿大、越南和新加坡。TheSARSepidemicbeganin2002withalungdiseaseinGuangdongProvinceandspreadquicklyafterDrLiuJianjun,thecarrier,cametoHongKongandpassedthevirustopeopleCanada,VietnamandSingapore.(定语从句)whocarrieditto12345671.Epidemicscanwipeoutuptohalfofthepopulationinurbanareas.流行病可能夺去城市多达一半居民的生命。考点wipeout彻底毁灭Thewholevillagewaswipedoutbytheearthquake.地震把整个村庄摧毁了。相关短语:wipedown(用布)彻底擦干净wipeoff除掉(或抹掉)wipeaway擦去wipeup擦干净1234567活学活用语法填空Thegovernmenthasdecidedtotrytowipethisdiseaseinourcountry.out12345672.Oneoftheearliestepidemicsonrecordhappenedabout500-550ADwhentheRomanemperoratthetimewasattemptingtorebuildtheRomanEmpire.历史上有记载的最早的流行病之一发生在公元500~550年,当时的罗马皇帝正在试图重建罗马帝国。剖析本句是一个复合句。when引导定语从句,修饰500-550AD。考点一atthetime当时【高考典句】(2015·湖南高考)Atthetime,peopledidnothavedishwashersintheirhomes.当时,人们家中还没有洗碗机。IwaslivinginFranceatthetime.我当时住在法国。1234567与time有关的短语:aheadoftime提前allthetime一直atatime每次;逐一atonetime曾经fromtimetotime不时,偶尔atthesametime同时atnotime决不1234567考点二attemptvt.努力;试图【高考典句】(2015·广东高考)Foryearsresearchershaveattemptedtoshowthattelevisionisdangeroustochildren.数年来,研究者们一直尝试说明看电视对孩子不利。Theprisonersattemptedanescape,butfailed.这些囚犯企图逃跑,但失败了。12345671)观察attempt的用法。Hepassedhisdrivingtestatthefirstattempt.他首次考驾照就通过了。归纳:attempt作名词,意为“尝试;试图”。2)相关短语:makeanattempttodo企图做……atthefirstattempt在第一次尝试时attempttodosth.试图做某事活学活用语法填空1)Wefinished15minutesaheadtime.2)Theyfailedinalltheirattempts(climb)themountain.oftoclimb12345673.SincetheSARSepidemicended,scientistshavebeendoingtrialsontreatmentstoprohibitanyfutureoutbreaks.从“非典”疫潮结束后,科学家们就在做治疗实验以防止将来非典的再次爆发。考点prohibitvt.禁止Smokingisstrictlyprohibitedintheprocessofhandlingexplosivematerials.在处理易爆物时严禁吸烟。【高考典句】(2014·课标全国高考Ⅰ)In1897,thestateofMichiganpassedalawprohibitingthekillingofpassengerpigeons...在1897年,密歇根州通过了禁止屠杀旅鸽的法律……12345671)观察prohibit的用法。Thehighcostofthemachineprohibitsitfrombeingwidespread.这种机器价格昂贵,很难普及。Manyfirmsprohibitsmokingintheoffice.许多公司禁止在办公室吸烟。归纳:prohibitvt.妨碍,禁止,后接fromdoing或动词-ing形式。12345672)“禁止/阻止某人做某事”的其他表达法:discouragesb.fromdoingsth.bansb.from(doing)sth.preventsb.(from)doingsth.forbidsb.fromdoingsth.keepsb.fromdoingsth.stopsb.(from)doingsth.Teachersshoulddiscouragetheirstudentsfromsmokinganddrinking.教师应劝阻学生不要吸烟喝酒。Hewasbannedfromdrivingforthreeyears.他被禁止驾驶三年。Unlesswegetmorefundingwe’llbepreventedfromfinishingourexperimentalprogramme.除非我们得到更多的拨款,否则这项实验计划的完成就会受到阻碍。1234567活学活用语法填空1)Topreventthespreadoftheflu,thegovernmenthasdecidedtoprohibitpeopleenteringthearea.2)Hissmallsizeprohibitshimfrom(become)apoliceman.frombecoming12345674.TheconditionsinmuchofAsiaandEurope—war,crowdedcitiesandalackofbasichealthroutines—providedtheperfectconditionsforthediseasetospreadworldwide.当时亚洲和欧洲的大部分地区都陷于这样的状况——战争频发,城市拥挤不堪,缺乏基本的健康体系,这种状况促进了瘟疫在全球范围内的蔓延。考点routinen.常规,惯例【高考典句】(2015·陕西高考)ThatroutinemeantDadwashomeearlytospendtheeveningwithMumandme.这一惯例意味着爸爸早回家是为了同我和母亲共同度过夜晚。1234567break/followtheroutine打破/遵守常规dailyroutine日常生活asamatterofroutine定期breakfromroutine摆脱刻板的生活routinetasks日常工作routinechecks常规检查Acreativemanwillneverfollowtheroutine.勇于创新的人永远不会墨守成规。Makeexerciseapartofyourdailyroutine.让锻炼成为你日常生活的一部分。Wecleanandrepairthemachinesasamatterofroutine.我们定期清洗和修理机器。1234567活学活用完成句子1)她需要摆脱刻板的生活。Sheneededa.2)运动员们不得不改变他们的日常生活。Theplayershavetochangetheir.breakfromroutinedailyroutine12345675.Itisimportanttolookatthespreadofdiseasesthroughouthistorytodiscoverthecausesandeffectsofepidemics,andhopefully,foreseeandpreventtheminthefuture.我们有必要回顾一下历史上疾病的传播情况,从而弄清楚流行病的起因和后果,并且希望将来能够预见并阻止它们的发生。剖析it是形式主语。考点foreseevt.预见Itishardtoforeseewhatmystudentswillgetinthefinal-termexam.很难预见我的学生们将会在期末考试中取得什么样的成绩。1234567派生词:foresightn.先见,远见;预见foreseeableadj.可预知的;能预测的活学活用完成句子他从没预想过有一天他的书会卖掉几百万本。Hethatonedayhisb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