2023学年完整公开课版Unit3 Using Language 公开课课件

【版本：新人教册别：选择性必修二】Unit3FOODANDCULTUREUsingLanguage目录页contentsPre-readingⅠLanguagepointsⅤWhile-readingⅡHomeworkⅢⅣPost-readingⅠPre-readingPre-readingWatchavideoaboutmythsofhealthyeating.Pre-readingAfterwatchingthevideo,shareyourunderstandingofhealthyfood.foodcontaininglittlefatfoodlowinsugarfoodwithhighproteinfoodrichinfibre...ⅡWhile-reading1.Whatistherealkillerofpoorhealth?2.Wheredoesextrasugarcomefrom?3.Howcanpeoplekeephealthy?4.Whatisafundamentalkeytohealthyeating?5.Whatisthefirststepofhealthyeating?While-reading:ReadingforGeneralUnderstanding

Readthepassagebyyourselfandanswerthefollowingquestions.1.Whatistherealdriverofpoorhealth?2.Wheredoesthisextrasugarcomefrom?Therealdriverofpoorhealthisnotsomuchfattyfood,asitissugar.Muchofthisextrasugarcomesfromsweetsandsweetdrinks.While-reading:ReadingforGeneralUnderstanding

3.Howcanpeoplekeephealthy?Peoplecankeephealthybyconsumingdifferentcategoriesoffreshfoods,especiallyfruitandvegetables,whicharefullofvitaminsandfibre,ratherthanprocessedfoods.4.Whatisafundamentalkeytohealthyeating?Afundamentalkeytohealthyeatingistoeatslowly.5.Whatisthefirststepofhealthyeating?Healthyeatingstartswithhavingahealthyattitudetowardsfood.While-reading:ReadingforGeneralUnderstanding

While-reading:ReadingforStructureReadthepassageandthenmatchthesubheadingswiththeparagraphs.

Paragraph1

A.

SlowEatingisGood

Paragraph2

B.

ReducingSweetsisKeyParagraph3

C.

TheRealKillerisSugarParagraph4

D.TheWayYouLookatFoodisMostImportant

Paragraph5

E.

KeepItFreshandBalancedWhile-reading:ReadingforSpecificWritingSkillsHowdoestheauthorsupportthefollowingpoints?Point1:

Therealdriverofpoorhealthissugar.Byofferingevidencefromtheprofessionaljournal.(JournaloftheAmericanMedicalAssociation,2014)(Para1)Bylistingsuggestionsrecommendedbytheauthoritativeinstitution.(theAmericanHeartAssociation)(Para2)Point2:Muchofthisextrasugarcomesfromsweetsand sweetdrinks.Howdoestheauthorsupportthefollowingpoints?Point3:Peoplecankeephealthybyconsuming...ratherthan processedfoods.Byanalyzingtheshortcomingsofprocessedfoodsandexplainingreasonsforeatingfoodrichinprotein.(Para3)Byadoptingopinionsfrompersuasivestudies.(Para4)Point4:Afundamentalkeytohealthyeatingistoeatslowly.While-reading:ReadingforSpecificWritingSkillsWhatlinkingwordsareusedtointroduceanotherwayofsayingwhatwasalreadymentionedintheprevioussentence?(1)putmoresimply;(L7)(2)inotherwords;(L12)(3)whatthismeansisthat…(L22)Similarexpressions:thatistosay;namely;as(is)mentionedabove;fromthisweconclude...While-reading:ReadingforSpecificWritingSkillsWhatlinkingwordsareusedtoshowthatcontrastingideasarebeingintroduced?(1)however;

(L2/L30)(2)while;

(L7)(3)ratherthan;

(L15/L27)(4)rather

(L28)Similarexpressions:whereas;nevertheless;insteadof...;incontrastto...;onthecontrary...While-reading:ReadingforSpecificWritingSkillsPickoutpracticalexpressionsinthetext.(1)asto...(2)makeup...(3)betwiceaslikelytodo...(4)regardlessof...(5)cutdownon...(6)cutout...(7)keephealthyby...While-reading:ReadingforSpecificWritingSkills(8)befullof…(9)havehigherquantitiesof...(10)endupdoing...(11)startwithdoing...(12)beontherighttrackwith...(13)beontheroadto...Pickoutadvancedsentencestructuresinthetext.(1)However,thereisincreasingevidencethattherealdriverofpoorhealthisnotsomuchfattyfood,asitissugar.(2)AndinAmerica,peoplewhoreceive25%oftheirdailycaloriesormorethroughsugararetwiceaslikelytodiefromheartdiseasethanpeoplewhoreceivelessthan10%aday.(3)TheAmericanHeartAssociationrecommendsthat…ifyouwanttobehealthy,youhavetocutdownondesserts,andcutoutsweetdrinksaltogether.While-reading:ReadingforSpecificWritingSkillsPickoutadvancedsentencestructuresinthetext.(4)Beyondthis,youcankeephealthybyconsumingdifferentcategoriesoffreshfoods,especiallyfruitandvegetables,whicharefullofvitaminsandfibre,ratherthanprocessedfoods.(5)Besidesthis,itisalsoimportanttohavesomemeat,beans,ordairyproductsinyourdiet,astheyprovidethenecessaryproteinforstrongbonesandmusclegrowth.(6)Aswitheverythinginlife,moderationiskey.While-reading:ReadingforSpecificWritingSkillsPickoutadvancedsentencestructuresinthetext.(7)Finally,afundamentalkeytohealthyeatingistoeatslowly…Whatthismeansisthatpeoplewhochewtooquicklyendupeatingtoomuchfoodbecausetheystillfeelhungry.(8)Eatingslowlyalsoallowsyourbodytodigestyourfoodbetter,andwillallowyoutoenjoyyourfoodmore.(9)Itisuptoyoutodecidehowyouwanttolive,andtomaketherightdecisionsaboutyourdiet.While-reading:ReadingforSpecificWritingSkillsPost-readingⅢPost-reading:DiscussingforWriting3mealsadayhealthy/unhealthy(reasons)badeatinghabitstipsBreakfast:Lunch:Dinner:eggs,corn,milkfriedchicken,colaporridge,fruitandvegetableshealthy(nutritious/richinprotein)unhealthy(containingtoomuchfat)easytodigest/fullofvitaminsandfibre...eatingtoofastconsumingtoomuchfat......slowingdownthespeedeatinglessorcuttingthemout

Post-reading:WhileWritingWriteanessayaboutyourowndietandyoucanstartlikethis:Overall,IthinkIhavehealthy/unhealthyeatinghabits.AsforthethingsthatIamdoingright,...Still,Ishouldimprovemyeatinghabitsby...Post-reading:Polishing1.Exchangeyourdraftwithyourpartnerstoreviseit.2.Shareyouressay.3.Checktheessaysforimproperexpressionsandpolishtheessaystogether.LanguagepointsⅣ1fattyfood2processedfoods3endupdoing4amodestamountoffood5ontherighttrack6makeapresentation7voteon加工食品结果是(做)……;以做……而告终适量的食物走上正轨展示LanguagePoints:Importantphrases(P32~P35)高脂肪食物对……进行表决1.Putmoresimply,whilepeoplecontinuetoargueoverwhetherornotfattyfoodisdangerous,wealreadyknowthatsugarisakiller.(P32)2.Theidealdietisabalancedone,withouttoomuchortoolittleofanyonething.(P32)3.Itisalsobettertoeatamodestamountoffoodeachtime,ratherthantoeatalotinonemeal,andthenalittleinthenext.(P32)LanguagePoints:ImportantsentencesLanguagePoints:Importantsentences1.Putmoresimply,whilepeoplecontinuetoargueover________ornotfattyfoodisdangerous,wealreadyknowthatsugarisakiller.

简单地说，当人们还在为高脂肪食物是否有害而争论不休时，我们已经知晓糖分是健康杀手。

(P32)(1)__________theywinorloseisallthesametome.

(2)

It’sdoubtful___________there’llbeanyseatsleft.(3)Iaskedhim_______hehaddonealltheworkhimselforwhetherhehadhadanyassistance.(4)I’llbehappy________Igetthejobornot.(5)Thedoubtwas________youhadbrokenthebeautifulvase.(6)Thequestion________we’llbuildanotherlecturebuildinghasn’tbeensettled.whetherWhetherwhether/ifwhetherwhetherwhetherwhetherLanguagePoints:Importantsentences1.whether和if均可用来引导主语从句，但if引导的从句，不能位于句首。2.whether和if均可用来引导宾语从句。3.作介词宾语时只用

whether不用if。4.当和ornot连用时，只用whether不用if。5.当和or连用表示明确的选择时，只用whether不用if。6.表语从句用whether引导不用if。7.同位语从句用whether引导不用if。8.在动词不定式之前，只能用whether，不能用if。总结与拓展1.【2019

江苏】Scientistshaveobtainedmoreevidence_____plasticisfindingitswayintothehumanbody.2.【2017

天津】Sheaskedme___________Ihadreturnedthebookstothelibrary,andIadmittedthatIhadn’t.3.【2018

北京】Withouthissupport,wewouldn’tbe_______wearenow.4.【2018

天津】Thegoldmedalwillbeawardedto________winsthefirstplaceinthebicyclerace.LanguagePoints:Importantsentencesthatwhether/ifwherewhoever即学即用LanguagePoints:Importantsentences2.Theidealdietisabalanced______,withouttoomuchortoolittleofanyonething.理想的饮食是均衡饮食，避免过多或过少摄入任何一种成分。(P32)(1)Weareluckytoliveinacountry,_____whereeverybodyisequal.(2)Thenutritionofporridgeisn’tsorichas_____ofmilk.(3)Myfavoriteappleisthatredandbig_____.(4)Myfatherboughtmeanewbicycleformybirthday,butunfortunatelyIlost_____.(5)Whatmademeunhappywasthatmygradesweren’tasgoodas_______ofmysister.oneonethatoneitthoseLanguagePoints:ImportantsentencesSummary指代可数名词不可数名词单数复数泛指oneonesthat特指that(=theone)those(=theones)1.Ifyou’rebuyingtoday’spaperfromthestand,couldyouget____forme?2.StudyingWendy’smenu,Ifoundthatmanyoftheitemsaresimilarto_____ofMcDonald’s.3.—Sillyme!Iforgetwhatmyluggagelookslike.—Whatdoyouthinkof______overthere?4.Weknowthefamous_____—theThomasEdisonandtheAlexanderGrahamBell—butwhataboutthelessfamousinve