2019-2020年高二英语Unit17-Unit20教案 人教试验修订本

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1、2019-2020年高二英语Unit17-Unit20教案人教试验修订本Lesson65Step1.Presentation:Askthefollowingquestions:a)Whatchangeshavetakenplaceintheirhometownrecently?b)Whataretheadvantagesanddisadvantagesofthesechanges?Discussion:Supposeabigchemistryfactorywillbebuiltinthetownandaskthestud

2、entstoimaginethepossibleeffectsofthebuildingofthefactory.Dividethestudentsintosmallgroupsandhaveadiscussionontheproblems.Step2.Dialogue:a)Askthestudentstoreadthedialogueandtrytofindouttheanswertothequestion“Whatdifferentthingsshouldbedoneifyouwanttosetupafactory?

3、”Possibleanswers:1.makesurethatthereisamarketfortheproducts2.chooseaproperland3.askthepermissionoftheciviliansandthegovernmentb)Askthestudentstoreadthedialogueagainandpickouttheproblemstobesettledbeforethefactorycanbebuilt.Answer:1.tofindaland2.togettheresidents’

4、permission3.togetthegovernment’spermissionc)Asksomestudentstopracticethedialogueoutintheclass.Step3Practice:a)Supposeajournalistfromanewspaperisinterviewingsomeresidentsandaleaderofafactory.Askthestudentstoworkingroupsofthree,oneasthejournalistoneasaresidentandth

5、eotherastheleaderofthefactory.Discusswhatkindsofquestionsthejournalistmayaskandhowtheresidentandtheleaderwillanswerthem.Someofthefollowingwordsandexpressionsmustbeused:have…done,rightnow,majority,likely,it’squitelikelythat…,b)Asksomegroupstopracticetheirdialogues

6、intheclass.Ifpossible,apetitioncanbeheldtopickoutthegroupthatdoesthebestjob.Lesson66Step1Presentation:a)Askthestudentsthefollowingquestions:1.Whatnewtechnologydoyouthinkisthemostimportantinourdailylife?2.Whatwillourfuturelifebelike?b)Askthestudentstoofferasmuchus

7、ethatcanbemadeofputersaspossible.c)Askthestudentswhattheywanttoknowabouttheputerandhowwecanmakeuseofitinthefuture.Putthefollowingtableontheblackboardthefollowingformaccordingtostudents’answers:InventoroftheputerTimeofinventionAdvantagesThefutureuseoftheputerStep2

8、Reading:a)Readthepassagequicklyandaddmoreinformationtotheaboveform.b)Whenwearewritingapassagetointroduceamoderndevice,whatelementsmustweinclude?Answer:theinven