2019-2020年高中英语 Unit3 protecting ourselves

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1、2019-2020年高中英语Unit3protectingourselvesGeneralIntroduction:Inthissection,youwillhaveopportunitiestopracticeyourlistening,speaking,readingandwritingskills.Thetasksectionisdividedintothreestepsandeachstepisprecededwithaskillsbuildingactivity.Throughthethreesteps,youwilllearnhowtoidenti

2、fydegreesofobligationandcategorizenotesaboutwarnings,howtoaskforandofferalternativesandhowtowritewarnings.Afterthelearning,youareexpectedtowritefortheschoolnewsletteranarticlecontainingadviceandwarningsonthedangersoftakingmedicineunnecessarily.Skillsbuilding1:identifyingdegreesofobl

3、igationInthispart,wewilllearnhowtoidentifythedegreeofobligationwhenlisteningtoadvice.Youshouldjudgewhethertheadviceisasuggestionoranecessitythroughthemodalformorphraseusedinthesentence.Lookatthefollowingsentencepatterns:Youdonothaveto…Youought(not)to…Youshould(not)…Youhadbetter/hadb

4、etternot…Youhaveto…Youmust/mustnot…Doyouknowwhichpatternexpressesthestrongestobligation,whichexpresseslessstrongobligationandwhichexpressestheleaststrongobligation?Let’sgoontolookatsomesentencesanddecidewhicharesuggestionsandwhicharenecessities.1.Youdon’thavetogoschooltomorrowifyoua

5、refeelingill.2.Yououghttoeatsomefruiteveryday3.Youhadbetterwakeupearliertomorrow.4.Youmustnotforgettodoyourhomework.5.Youshouldgetenoughresteverynight.6.Youmustnotforgettodoyourhomework.7.Yououghtnottoeatsomuchicecream.8.Youshouldnotplayputergamesallevening.9.Youhavetotakemedicineif

6、youwanttogetbetter.10.Wemustfinishourprojecttodaybecauseitisduetomorrow.(Encouragestudentstogivetheirownopinions.Anyreasonableanswersareacceptable)Step1:CategorizingnotesaboutwarningsInthispart,youwilllistentoalecturebyDrGreyandwritedownthemodalformsthedoctoruses,andthencategorizeth

7、eobligationlevelsofthedoctor’sadvice.1.ReadtheguidelinesandthesentencesinPartA.(givethemsomenecessaryexplanationstosomenewwords.)Whatdoestheword‘chemist’s’meanfromthecontextofthewholesentence?(Itisaplacewheremedicineissold.)Whatdoestheword‘painkiller’mean?(Thefirstpartofthewordis‘pa

8、in’,andthesecondpar