高中英语 unit2 fit for life reading two life saving medicines教案 牛津译林版选修7

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1、ReadingTwolife-savingmedicinesTeachingaims:1.gainthegistthroughfirstandsecondreading.2.practicestudents’listeningability.3.improvestudents’thinkingabilitythroughdiscussion.4.understandsomemedicalterms.Step1:Lead-inHaveyouevertakenmedicines?Whatmedicineshaveyouevertaken?Andwhatdoyouknowabo

2、utthem?Pleasetalkaboutyourownexperienceswithmedicines.Step2:FastreadingforgeneralideasGothroughthepassageasquicklyaspossibleandtrytofindanswerstothethreequestionsinpartAonPage18.Payattentiontothetitlesothatyoucanidentifythemostimportantinformationassoonaspossible.Step3:Detailedreadingfori

3、mportantinformation1.ReadthepassageasecondtimeandcompletePartC1andPartC2.2.Readthearticleagainandfillintheformbelowsothatyoucanunderstandtheuseofthetwomedicinesintroducedinthearticle.Effectsofaspirinlreducefeverlhelpstopbodypainslreducetheriskofheartattackslpreventastrokelreducetheriskofs

4、omecancerslincreasethelengthofpeople’sliveslreducebloodsugarlevels●helppeoplewithdiabetesEffectsofpenicillinlhelpintreatingwoundsandinfectionslkillbacteriatotreatillness3.Payattentiontothemedicaltermsinthereadingpassage.Underlinethewordsandputthemincorrectcategories.Wordscomingfromthesame

5、stemmedicine,medical,medicinal;pure,purify;chemical,chemist;bacterium,bacterialWordsthatarecompoundwordspainkiller;blood-thinning;heartattack;acetylsalicylicWordswithirregularpluralformsbacteria,bacteriumStep4:Practice:1.CompletePartD.Youmayrefertothereadingpassageonpages18and19forsomehel

6、p.2.PartEisabouttwoentriesinachildren’sencyclopedia,oneaboutaspirinandtheotheraboutpenicillin.Pleasefinishit.Step5:Post-readingactivities1.YouwillbedividedintogroupsoffourtointroducethedevelopmentofaspirinandpenicillintoothergroupmemberswiththehelpofthetimelineinPartC2.2.Searchformoreinfo

7、rmationaboutthescientistswhohaveinventedaspirinandpenicillin.Giveabriefintroductionofthescientists.3.ReadtheinstructionsforPartFanddiscussthequestionslisted.Step6:keypoints:VocabularyWordshistorian,recipe,physician,bark,acid,chemist,trial,tablet,milligram,standardiz