高中英语Unit 21 Lesson 3 Epidemics explained 1课件北师大版选修7.ppt

epidemicsexplained doyouremembersars whatdidyoufeelwhensarswasspreading what stheoutcomeofsars besidessars whatotherdiseasescanbeepidemic aids flu tb justinian splague theblackdeath epidemicsthroughouthistory matchthefiveparagraphs a e withgaps2 4 7 9and11inthetext abcde paragraph2paragraph4paragraph7paragraph9paragraph11 readingstrategies sequencingofinformation1 readthetextwithgapstogetthegeneralideaandseehowitdevelops2 readthesentencesbeforeandafterthegapstogiveyouanideaofwhatthebeginningorendofthemissingparagraphmightreferto3 readthemissingparagraphsandlookforthesereferences 4 ifaparagraphdoesn tseemtofit youmayhavemadeamistake socarefullyrereadeachparagraph justinian splague northafricathemideasteurope 25 50percentofthepopulation inthe1330 s asia worldwide onehalftoonethird 1918 thegreatfluepidemic 25 50million 2002 2003 sars china worldwide matcheachepidemicwiththestatements justinian splague oneoftheearliestonrecord perfectconditionswereprovidedforthediseasetospread themostacuteworldwideepidemic itwasactuallyadiseasecalledbubonicplague itwasoneofthekeycausesofthefallofanempire theblackdeath perfectconditionswereprovidedforthediseasetospread lesspopulatedareaswerelessseverelyaffected itwascompletelynewtophysicians mostpeoplehadnonaturaldefensesagainstthedisease thegreatfluepidemic themostacuteworldwideepidemic itisalsocalledthespanishflu itstruckneartheendofthefirstworldwar morepeoplediedofthefluthandiedinthewar itwascompletelynewtophysicians sars itwascompletelynewtophysicians itbeganwithanabnormallungsdisease mostpeoplehadnonaturaldefensesagainstthedisease yet ithasbeenforgottenbyhistory discussionworkingroupof4 imagineyouareafuturologist nowyoupredictanepidemicinthefuture trytouseasmanywordsandexpressionsyouhavelearntinthepassageaspossible name when where effect willbespreading willhavekilled languagepoints detailreadingunderlineimportantcollocationsandworkouttheirmeanings ontheriseinhistoricalaccountswasattemptingtodosweepthroughdiefrom dieofoneofthekeycausesinthe1330 sclimatechangealackof provide for spreadworldwideinhighlypopulatedareasitisbelievedtoinhistorybeginwithspreadto spread to thenumberofglobecasesnaturaldefencesagainstthediseasewasharmfultomakeupstopthevirusinitstracks ontherise在增长inhistoricalaccounts历史记载wasattemptingtodo试图做 sweepthrough席卷diefrom dieof死于oneofthekeycauses主要原因之一inthe1330 s十四世纪三十年代climatechange气候变化alackof缺乏provide for 为 提供 spreadworldwide世界范围内蔓延 inhighlypopulatedareas人口密集地区itisbelievedto被认为 inhistory历史上beginwith以 开始spreadto spread to 扩到 thenumberofglobecases全球病例总数naturaldefencesagainstthedisease疾病的自然抗体washarmfulto对 有害makeup构成 弥补 化妆 编造 stopthevirusinitstracks当场制止病毒传播 usethefollowingphrasestofinishtheexerciseontherisediefromdieofalackofprovide for washarmfultomakeup1 thehotel areservationoftickets itsresidents 2 howcanwe toyouforwhatyouhavesuffered 3 hisfather cancerwhenhewas10yearsold 4 eatingmuchandexercisinglittle yourhealth 5 thecostoflivingis aspricesareincreasingatpresent provides for makeup diedof isharmfulto ontherise somehow 1 forsomevaguereasonorother莫明其妙地 不知怎么地 反正 somehowidon ttrustthatman shesomehowgotlost 她不知道怎么就迷了路 2 设法地 借某种方法 我们总得设法找钱付房租 我们总会有办法到那里的 wemustfindmoneyfortherentsomehow weshallgettheresomehow abnormal adj不正常的 反常的 变态的 我们认为这样的反常现象不会持续很久 wedonotthinksuchanabnormalphenomenonwilllastlong populated adj有人居住的 athickly highlypopulatedcity人口稠密的城市 thenewlandwasquicklypopulatedbythenewsettlers severely adv 1 严格地 严厉地 不小心驾驶会受到严惩 dangerousdrivingshouldbeseverelypunished 2 严重地 患重病 负重伤 beseverelyill wounded lack 1 n 缺乏 短缺的东西 常与of连用 thereisnolackofvegetable theplantsdiedforlackofwater vt 缺乏 不足 没有lacksth helackscourage confidence ilackwordswithwhichtoexpressmythanks belackingin lacksth alarm1 vt 使惊慌 使恐慌2 n 警报的声音或信号firealarm火警报警铃alarmclock闹钟alarmingadj 使人惊动的 令人担忧的alarmedadj 担忧的 惊慌的 1effectsa doctor2abnormalb bad3physicianc get4harmfuld part5staffe grow6aspectf results7expandg records8techniquesh unusual9accountsi ways10acquirej workers matchthewordsfromthepassagetheirmeanings a j 7 findthecorrectprepositionstocompleteeachofthesephrasesfromthetext 1 thebeginning lif