搜索
NewHorizonCollegeEnglishBookⅢ陈超1Unit2SectionAIronandtheEffectsofExercisePartOne:Objectives1.Tolearnmoreaboutironandthebenefitsbroughtbyexercise;2.Todeveloprelatedvocabulary;3.Towriteanarticleinthecause-and-effectpattern;4.Towriteanotice.PartTwo:Warmingup1.LabelReadingIt'sgoodforyourhealthtocheckthefoodlabelbeforeyoubuy.Butdoyouknowhowtoreadanutritionfactslabel?•Doyouknowallthenutrientsonthelabel?•Whichnutrientsshouldbelimited?•Whichnutrientsshouldbeensured?NewHorizonCollegeEnglishBookⅢ陈超2Calories卡路里SaturatedFat饱和脂肪TransFat反式脂肪Calcium钙Cholesterol胆固醇Sodium钠Carbohydrate碳水化合物Iron铁DietaryFiber食纤维质Sugar糖Protein蛋白质Vitamin维生素Zinc(锌)Copper(铜)2.Mineralshelpthebodygrow.CALCIUMisamineralfoundinmilkandcheeseandhelpstobuildstrongbonesandteeth.ZINCisamineralthathelpscellsreproduce,preservevisionandboostimmunity.IRONisanothermineralthatisimportantforhealthyblood.Liverandgreenveggiesaregoodsourcesofiron.COPPERisthemineralinvolvedintheabsorption,storageandmetabolismofiron.Itisfoundinthebloodboundtoproteins.CanyouhelpSuetofindoutwhatisthemissingnutrient?Sueisa13-year-oldwhodoesn’teatgrainsormeat.Sheoftenfeelstiredorsluggish.Herdoctorsaysherredbloodcellcountistoolow.ThemissingnutrientisIRON.Ironisveryimportant.Withoutit,yougetanemia,alackofredbloodcells.Womenneedmoreironthanmenbecausetheylosebloodduringmenstruation.Youcangetironfromfoodsinthegrainandmeatgroups.3.Whatarethepositiveeffectsofexercise?1)Itstimulatestheflowofourblood;2)Itbuildsupthespeedwithwhichourbrainsreacttothingsaround;3)Itimprovesourhealthconditions;4)Ithelpsfosterourambitionforgreatersuccessorbetterbalanceofmind;…1)Properexercisecanstimulatetheflowofourblood,thusbetteringourwholehealthconditions.2)Regularexercisecangreatlyimprovethespeedwithwhichourbrainsreacttowhatisgoingonaroundus.3)Goodandprogressiveexercisecanhelpfosterourambitionforgreatersuccessorbetterbalanceofmind.4.What’stherelationshipbetweenexerciseandiron?1)Themorephysicalexercisewetake,themoreirontherewillbeinourblood;2)Themorephysicalexercisewehave,thelessirontherewillbeinourblood;3)Theamountofexercisehaslittlebearingonthereservesofironinourblood;…Sadtosay,thelinkbetweenexerciseandironisthat,themorephysicalexercisewetake,themorechanceswestandtosufferthelossofironintheblood.Ifyoufindnowaytofeelrefreshedthroughregularexercise,forexample,youmaybeavictimofironloss.And,ifyouarestillinthedarkaboutitsgravityandgoonwithmoreintenseexercise,youwillinviteagreatertrouble.5.Howdoesironleakoutofourblood?1)Itleaksthroughoursweat?2)Itleaksthroughourdigestivesystem?Anditsvictimsinclude:1)Thoseengagedinintenseexercise?2)Thewomenofchildbearingage?…Accordingtomedicalresearch,duringourexercise,someirondisappearsthroughsweat;andNewHorizonCollegeEnglishBookⅢ陈超3someotherironleaksasaresultofthebleedingofourdigestivesystemifourexerciseisofintensekind.Besides,continualhigh-impactexercisemayresultinbleedingthroughsmallbloodvesselsinthefeet.Andironmayleakthroughsomeunknownmechanisms.Thus,ironlossorirondeficiencyismorelikelytohappenamongthepeopleasfollows:thosewhotakepartinintenseenduranceexercise;thosewhosedigestivesystemisapttobleed;andthosewhoalreadylivewiththeproblemofpoorironstatus,likethewomenofchildbearingagewhohaveamonthlybleeding,andthosewhoaregoingonafat-reducingdiet.6.Howtoremedyorpreventirondeficiency?1)Takeiron-fortifiedfoods,suchas…?2)Enjoydiversemeatdishesonaregularbasis,including…?3)EatVitaminC-richvegetables,like…?4)Takeironsupplements?5)Drinkteaorcoffeeovermeals?…Toreverseorpreventirondeficiency,1)Eatiron-fortifiedfoodsalot,suchasbreakfastcereals;2)Enjoydiversemeatdishesonaregularbasis,includingdishesofredmeat,fish,andpoultry;3)EatVitaminC-richvegetablesandfruits,liketomatoes,oranges,peppers,anddates;4)Don’ttakeironsupplements,fortheyhavesideeffects;5)Neverdrinkteaorcoffeeatthemealtimebecausesubstancesinteaandcoffeewillinterferewithironbeingabsorbedintothebody.7.Doyouoftengoinforphysicalexerciseandwhat’syourartofexercising?Yes,Ido.Thereisnothingnewinmywayofexercising,buttherearetwopracticesIalwaysclingto:1)Inevertrytofollowthefashion.Nomatterwhetherthehulalooporthesocialdancingisin,myinterestinthesameexerciseremainswhatithasbeen.2)Theformsofmyexercisechangewithmyage.WhenIwasinteensandtwenties,Iwasfondofplayingballs;whenIwasmiddle-aged,Iturnedmyinteresttotable-tennis;andnowIamgettingoninyears,soIbecomeaddictedtotaichi,anexercisesuitabletothesenior.8.Whatprinciplesshouldnewexerciserspayattentionto?Herearetheinsightsgleanedfrommyownexperienceinphysicalexercise:1)Beforeyoutakeanyphysicalexercise,youmusthaveaclearideaaboutwhatkindofexerciseisgoodforyourhealthaswellassuitabletoyourownphysicalconditions.2)Onceyoustartyourprogramofexercise,bothprogressivenessandregularitybecometwokeyingredientsinyoursmoothimplementationoftheprogram.3)Withtheamountofyourexerciseonagradualincrease,youshouldaddmoreiron-richfoodstoyourdiet.9.IronChallenge1)Everyoneneedsirontogrowandstayhealthy.Itisfoundinmanypartsofthebody.Chooseonethingironworksinyourbody:a.Ithelpsyourfingernailsstaysmooth.b.Ithelpstocarryoxygenfromlungstocells.c.Ith