新视野 3 unit 2--part one

Unit2SectionAIronandtheEffectsofExerciseDefinitionofHealthWHO:Healthisthestateofcompletephysical,mentalandsocialwell-beingandnotmerelytheabsenceofdiseaseorinfirmity.Forsalarymen-Sedentarylife-Workpressure(Huawei,Foxconn,…)-Marriagedelay(especiallyforfemale)DiscussionDoyouthinkcollegestudentshavepsychologicalproblems?Whatdoyouthinkarethesourcesofthem?Proverbs&sayings1.Happinessliesfirstofallinhealth.幸福首先在于健康。2.Anounceofpreventionisworthapoundofcure.一分预防胜过十分治疗。3.Dietcuresmorethandoctors.自己饮食有节，胜过上门求医。4.AllworkandnoplaymakesJackadullboy.只工作，不玩耍，聪明小伙也变傻。5.Leaveoffwithanappetite.吃得七分饱，就该离餐桌。Proverbs&sayings6.Sloth,likerust,consumesfasterthanlaborwears.懒惰像生锈一样，比操劳更能消耗身体。7.Anappleadaykeepsthedoctoraway.每天一个苹果，无需医生进门。8.Betterwearoutshoesthansheets.宁愿把鞋子穿漏，不要把床单磨破。9.Earlytobed,earlytorise,makesamanhealthy,wealthyandwise.早睡早起使人健康，富有，明智。10.Healthisnotvaluedtillsicknesscomes.病时方知健康可贵。ExercisesandHealthExercisesdousbenefits.◇Physically-strengthentheheart/lung/muscles/…◇Mentally-reducepressure/makeusmoreactive/…ExercisesandHealthHowever,incertaincases,exercisedoesnotnecessarilydousgood…（P29）BackgroundInformationIronIronDeficiencyIron-richFoodsIronisatracemineralrequiredforredbloodcellformationandadequateformationofhemoglobin(血色素)-theproteinthatcarriesoxygeninthebloodandyoglobin（肌血球素）,asimilarproteinthatcarriesoxygeninthemuscletissue.Ironalsoplaysacentralroleinmanyvitalbiochemicalpathwaysandenzyme（酶）systemsincludingthoseinvolvedwithenergymetabolism（代谢）,neurotransmitterproduction(serotonin（含于血液中的复合胺）anddopamine（多巴胺）),collagenformationandimmunesystemfunction.BackgroundInformationIronIronDeficiencyIron-richFoodsIrondeficiencyisthemostprevalentnutritionalproblemintheworld.Two---thirdsofchildrenandwomenofchildbearingageareestimatedtosufferfromirondeficiencyandone---thirdarepronetodisordersofirondeficiency---likeanemia.Femaleathletes,inparticular,areatriskforIDNAbecauseaerobicexercisemayresultinasignificantdepletionofbodyironstores.Itmaynegativelyaffectenduranceperformanceandmusclefatigability(易疲劳性).BackgroundInformationIronIronDeficiencyIron-richFoodsIronChallengeHowmuchdoyouknowaboutiron?Takethequizandtellyourreasonsforyourchoices!Everyoneneedsirontogrowandstayhealthy.Itisfoundinmanypartsofthebody.Chooseonethingirondoesinyourbody:a.Ithelpsyourfingernailsstaysmooth.b.Ithelpstocarryoxygenfromlungstocells.c.Ithelpsyourhairstayhealthy.d.Ithelpstostrengthenyourmuscles.IronChallengeQuestion1/10B1.TheanswerisB.Ironcarriesoxygenfromyourlungstoallpartsofyourbody.Ironalsobuildsredbloodcells.Withoutenoughiron,youmayfeeltiredandhavetroubleconcentrating.Everyonerequiresadifferentamountofdietaryirontostayhealthy.Whichofthegroupsbelowneedsthemostironeachday?IronChallengeQuestion2/10a.infants,7-12monthsoldb.teengirls,14-18yearsoldc.men,19-50yearsoldd.women,19-50yearsoldDWomen19－50yearsoldneedmoreironthananyotheragegroup.Womenneedthemostironbecausetheylosevaryingamountsduringthemenstruation.2.TheanswerisD.Therearetwotypesofiron.Oneisheme(亚铁血红素),whichiseasilyabsorbedbythebody;andtheotherisnon-heme,whichisnotaswellabsorbed.Chooseonefoodthatcontainshemeiron.IronChallengeQuestion4/10a.branflakesb.beefhamburgerc.eggsd.redkidneybeansB4.TheanswerisB.Hemeironisfoundinallmeat,fishandpoultry.Non-hemeiron,whichisnotsowellabsorbed,canbefoundinfoodssuchasnuts,beans,cerealsandeggs.Meat,fishandpoultrycontaindifferentamountsofhemeiron.Choosethefoodwiththemosthemeiron.IronChallengeQuestion5/10a.salmonsteakb.beeftenderloinc.chickenbreastd.porktenderloinBRedderordarkermeatstendtohavemorehemeiron.Forexample,chickenlegs(darkmeat)hasmorehemeironthanchickenbreast(lightmeat).5.TheanswerisB.Youmaybeirondeficientifyou______.IronChallengeQuestion6/10a.oftenfeeltiredb.lookpalec.havedifficultyconcentratingd.alloftheaboveDSymptomsofirondeficiencymayinclude:lookingpale,feelingtired,havingtroubleconcentrating,feelingoutofbreath,nothavingenoughenergy,andfeelingirritable.6.TheanswerisD.Theamountofnon-hemeironyouabsorbisaffectedbyotherfoods.Chooseonefoodthatincreasestheabsorptionofnon-hemeiron.IronChallengeQuestion7/10a.orangesb.wholegrainbreadsc.yoghurtd.teaAOrangesareagoodsourceofvitaminC,whichcanincreasetheamountofnon-hemeironabsorbedbyuptofourtimes.Meat,fishandpoultrycanalsoincreasetheabsorptionofnon-hemeiron.Substancesinteaandcoffeecanlowertheamountofnon-hemeironyourbodycanuse.7.TheanswerisA(oranges).IronChallengeQuestion10/10Agoodwaytomaintainahealthylevelofironinthebodyisto_______.a.eatiron-fortifiedbreakfastcerealsoftenb.enjoyavarietyofmeatdishesonaregularbasisc.includevitaminC-richvegetablesinyourmealsd.doalloftheseAlloftheseD10.TheanswerisD(alloftheabove).Whatshouldwedo,ifwehavesomeirondeficiencyproblems?(groupwork)5minutesWordUsingendurancen.(L1)[U]耐力theabilitytocontinuedoingsomethingdifficultorpainfuloveralongperiodoftime.•Heshowedremarkableendurancethroughouthisillness.他生病的整个阶段都表现出非凡的忍耐力。•马拉松是一项考验耐力的运动。Themarathonisatestofendurance.比较记忆：tolerance(to/ofsth.)忍受，容忍，宽容moderatea.1.averageinamount,quality,etc.;notextreme2.oforhaving(usu.political)opinionsthatar