北师大版高中英语选修七unit 21《human biology》（lesson 3）word学案

《北师大版高中英语选修七unit 21《human biology》（lesson 3）word学案》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit21Lesson3学习目标Bytheendoftheclass,thestudentswillbeableto:lidentifythestructureofonetypeofdiscursiveessays.lusethestrategiesofsequencingtoputthetextbacktogether.lvoiceyourfeelingsaboutepidemics.学习过程课前准备a)completeb)datac)delayd)habite)mediaf)pillg)preventh)severe

2、i)testk)trend1.trial2.prohibit3.pause4.tendency5.acute6.statistics7.routine8.press9.tablet10.thorough课堂活动（一）预习交流Checktheanswers.（二）合作探究NameoftheepidemicsTimePlaceCauses&EffectsBirdFlu1997—worldwide,take﹥100lives500-550ADNorthAfrica,theMiddleEast,EuropeBlackDeathSt

3、artedinAsia,Europe,Africa,theMiddleEast1918SimilarastheBlackDeathSARSChina,Canada,Vietnam,SingaporeHongKong,---Exercise4Page39（三）分层提高Readthetextagainandfillinthemissinginformationbasedonthetext.Fivekiller1.____________aretalkedaboutinthetext.TheyareJustinianPlague

4、，2._______________,3.______________,SARSand4.____________.JustinianPlague,theearliest5.___________about500-550ADwhentheRoman6._________wasattemptingto7.____________theRomanEmpire.Thisepidemic8._________throughNorthAfrica,theMiddleEastandEurope.Itissupposedto9.____

5、______upto50%ofthearea’spopulationandthusledtothefallof10.__________________.TheSARSepidemicappearedin2002,asitwascompletelynew,therewereno10___________drugsor11.______________totreatitanddoctorswerenotsurehowtopreventiteither.However,eversincethen,12.__________ha

6、vebeendoneon13._____________toprohibitanyfurther14.__________.Thankstomoderntechnology,medicalworkersallovertheworldareabletoworktogetherwithoutpausetohelpputSARS15._________us.（一）总结归纳（二）巩固反馈Finishtheexercise.