Unit2Fitforlife.doc

M7Unit 2 Fit for lifePeriod2-3 ReadingTeachingaimsanddemands:1. Enablethestudentstomastertheusageofnewwordsandphrases2. Enablethestudentstoknowdevelopmentofthetwomedicines.3. Tohelpthestudentstoimprovetheirreading,speakingabilityTeachingimportantanddifficultpoints:1. Helpthestudentstoimprovetheirlistening,readingandspeakingability2. Helpthestudentsmasterthereadingstrategy.3. Informthemofmoreaboutthetwomedicines.Teachingaids: themultimediaandtheblackboardTeachingmethods: listeningandspeakingpairworkandgroupworkTeachingprocedures:Step1.Lead-in: Afreetalkwithstudents:. Haveyouevertakenaspirinandpenicillin?. Howmuchdoyouknowaboutthetwomedicines?. Whatotherillnessesdotheycure?Step2.FastreadingReadthepassageagainandanswerthefollowingquestions:1.Whatarethetwomedicinesmentionedinthearticle?(Aspirinandpenicillin)2. Whenwaspenicillinfirstdiscovered? (In1928.)3.WhatawarddidFleming,FloreyandChainshare?(TheNobelPrize.)Step3.DetailedreadingAskthestudentstoreadthepassageagaincarefullyandanswerthedetailedquestions1.Whendidpeoplefindthatdrinkingaspecialteacouldreducefeverandpain?(About2,500yearsago)2. Whenwasaspirinfirstmade? (In1897)3.WhatotherthingscanASAhelpwithbesidesreducingfeverandpain?(Itcanalsohelpreducetheriskofheartattacksbythinningblood,preventastroke,reducetheriskofcoloncancer,increasethelengthofpeopleslivesandhelpwithdiabetes.)4.WheredidAlexanderFlemingfindpenicillin?(Inthemouldthatkilledbacteria)5.Whatillnessescanpenicillinbeusedtotreat?(Itcanbeusedtotreatbacteriaillnessesandotherillnessesincludingpneumonia.)6.WhatdifficultiesdidFleminghaveindevelopingpenicillinasadrug?(Firsthewasunabletofindaproceduretomakepenicillinpureenoughtoworkasamedicine. Second,itwasdifficulttoproducepenicillinintheamplequantitiesneededtobeeffective.)Step4.Furtherreadingandfillintheform.EffectsofaspirinReducefeverHelpthebodytostoppainsReducetheriskofheartattacksPreventastrokeandhelpdiabetesReducetheriskofcoloncancerIncreasethelengthofpeopleslivesEffectsofpenicillinHelpintreatingwoundsandinfectionsTreatotherillnessincludingpneumoniaStep5.LearningreadingstrategyAskthestudentstoreadtheReadingStrategyofthearticleandaskthemtofocusonthethreemajorskillsofunderstandingmedicalterms.Step6Practice(1)Supposeyouareaspirinorpenicillin,tellusyourdevelopmentandwhatinfluencedoyouhaveonourlivesaccordingtothepassage.(2)SupposeyouareFleming,describehowyoufoundpenicillin.Step7Discussion:. Whatwouldtheworldbelikeifthetwomedicineshadnotbeendiscovered?. Doyoubelievethat“wonderdrug”willbeinventedtotreatdiseaseslikeAIDsinthefuture?Languagepoints:1.possess vt. 拥有，具有如：Theprovincepossessesrichmineralresources. 该省拥有丰富的矿藏。2.trial n.试验 e.g.Thetrialsshowthatsmokingwilldoharmtopeople.试验显示抽烟对人体有害。短语in form/intheformof以形式如：Nowadays,manybooksareavailableinelectronicform.如今，很多书都有电子版。3.vital adj. 极其重要的，必不可少的当它作表语并后接从句时，从句中的谓语要用“(should)+动词原形”的形式如：Itisvitalthateverypieceofequipment(should)becheckedbeforetheexperiment.实验之前检查所有设备是至关重要的。4.trysomethingouton 在上试验某物如：Thedrughasnotbeentriedoutonhumansyet.这种药物尚未进行过人体试验。5.circulate vi.&vt. 循环；传播，散布；传递，传阅e.g.ThedocumentwaspreviouslycirculatedinNewYorkattheUnitedNations.这份文件先前在纽约的联合国总部传阅过。Cookingodorscancirculatethroughouttheentirehouse.做饭的香味可以传到家里的各个角落6.effective adj. 有效的；实际的，事实上的；生效的Simpleantibioticsareeffectiveagainstthisorganism.一般的抗生素能够有效对抗这种微生物。Theyhavehadeffectivecontroloftheareasincethesecurityforcesl