Unit2 新视野大学英语读写教程第三册教学课件 warming up

NutritionDetectiveLabelReading32LabelReadingIt’sgoodforyourhealthtocheckthefoodlabelbeforeyoubuy.Butdoyouknowhowtoreadanutritionfactslabel?Warming-up32Doyouknowallthenutrientsonthelabel?Whichnutrientsshouldbelimited?Whichnutrientsshouldbeensured?SamplelabelforcheeseQuestionsWarming-up32AnswersCalories卡路里SaturatedFat饱和脂肪TransFat反式脂肪Cholesterol胆固醇Sodium钠Carbohydrate碳水化合物DietaryFiber食纤维质Sugar糖Protein蛋白质Vitamin维生素Calcium钙Iron铁Warming-up32Astheworldfamousnutritiondetective,youhandleallthetoughestnutritioncases!Now,thefollowingvictimismissinganimportantnutrient—amineral.Canyouhelpher?NutritionDetectiveWarming-up32Everytime,you’llseeapicturewithclue(s).•Choosealetterfromthebottomofthescreeneverytime.•Ifyouareright,youmaygoonandpleaserememberthenumberofthecorrectletter(s).•Ifyouarewrong,you’llgetanotherclue.•Youonlyget3clues,sochoosecarefully!Warming-up32HintsYoumaychoosefromthefollowingnutrients:Calcium(钙)Zinc(锌)IronCopper(铜)Warming-up32RelatedKnowledgeMineralshelpthebodygrow.CALCIUMisamineralfoundinmilkandcheeseandhelpstobuildstrongbonesandteeth.ZINCisamineralthathelpscellsreproduce,preservevisionandboostimmunity.IRONisanothermineralthatisimportantforhealthyblood.Liverandgreenveggiesaregoodsourcesofiron.COPPERisthemineralinvolvedintheabsorption,storageandmetabolismofiron.Itisfoundinthebloodboundtoproteins.Warming-up32ThemissingnutrientisABCDEFGHIJKLMNOPQRSTUVWXYZWarming-up32I.IronChallengeHowmuchdoyouknowaboutiron?Takethequizandtellyourreasonsforyourchoices!32Everyoneneedsirontogrowandstayhealthy.Itisfoundinmanypartsofthebody.Chooseonethingirondoesinyourbody:(reference)a.Ithelpsyourfingernailsstaysmooth.b.Ithelpstocarryoxygenfromlungstocells.c.Ithelpsyourhairstayhealthy.d.Ithelpstostrengthenyourmuscles.IronChallengeQuestion1/1032Everyonerequiresadifferentamountofdietaryirontostayhealthy.Whichofthegroupsbelowneedsthemostironeachday?(reference)IronChallengeQuestion2/10a.infants,7-12monthsoldb.teengirls,14-18yearsoldc.men,19-50yearsoldd.women,19-50yearsold32Youmaybeirondeficientifyouareawomanand_____.(reference)a.havealongmenstrualperiodb.donatebloodoftenc.don'teatmeat,fishorpoultryd.alloftheaboveIronChallengeQuestion3/1032Therearetwotypesofiron.Oneisheme(亚铁血红素),whichiseasilyabsorbedbythebody;andtheotherisnon-heme,whichisnotaswellabsorbed.Chooseonefoodthatcontainshemeiron.(reference)IronChallengeQuestion4/10a.branflakesb.beefhamburgerc.eggsd.redkidneybeans32Meat,fishandpoultrycontaindifferentamountsofhemeiron.Choosethefoodwiththemosthemeiron.(reference)IronChallengeQuestion5/10a.salmonsteakb.beeftenderloinc.chickenbreastd.porktenderloin32Youmaybeirondeficientifyou______.(reference)IronChallengeQuestion6/10a.oftenfeeltiredb.lookpalec.havedifficultyconcentratingd.alloftheabove32Theamountofnon-hemeironyouabsorbisaffectedbyotherfoods.Chooseonefoodthatincreasestheabsorptionofnon-hemeiron.(reference)IronChallengeQuestion7/10a.orangesb.wholegrainbreadsc.yoghurtd.tea32Peoplewhodonoteatmeat,fishorpoultryneedto_____.(reference)IronChallengeQuestion8/10a)eatfoodsenrichedorfortifiedwithironb)havevitaminC-richfoodswiththeirmealsc)avoidteaandcoffeeduringtheirmealsd)doalloftheabove32Howmuchboiledspinachwouldyouneedtoeattoequaltheironavailableinaservingofsirloinsteak?(reference)IronChallengeQuestion9/10a.1cup/250mLb.2cups/500mLc.3cups/750mL32IronChallengeQuestion10/10Agoodwaytomaintainahealthylevelofironinthebodyisto_______.(reference)a.eatiron-fortifiedbreakfastcerealsoftenb.enjoyavarietyofmeatdishesonaregularbasisc.includevitaminC-richvegetablesinyourmealsd.doalloftheseAllofthese3232Whenyoueat,thankyourteethforchewingthefood.Whenyouenjoydeliciousfood,thankyourtonguefortastingit.Whenyouswallow,thankyourthroatforworkingsmoothly.Whenyougrowstrongandhealthy,thankyoustomachfordigestingyourfood.WhenyouspeakEnglish,thankyourmouthformakingnewsounds.Whenyouseeabeautifulview,thankyoureyes.Whenyouhearacompliment,thankyourears.Whenyousmelldeliciousfood,thankyournose.Decidethatfromnowon,youwillalwaystellyourbodyitisstrongandhealthy!