高中英语Unit 3 A Healthy Life Background informationVIP免费

Unit3AHealthyLifePartTwo:TeachingResources(第二部分：教学资源)Section2:BackgroundinformationonahealthylifeI.吸烟的危害香烟含43种致癌物；吸烟会得14种癌症；吸烟会影响药效；被动吸烟会导致婴儿猝死；我国现有六亿多人口受到二手烟的毒害；吸烟可能会导致血管壁受到损害；吸烟也会“遗传”给孩子；吸烟是中风独立的危险因素；男性吸烟易患风湿性关节炎；父母吸烟损害孩子血管；减少吸烟的量不会降低死亡危险性；吸烟会破坏人体对胃酸反流的防御功能；吸烟容易患慢性肺阻病；烟雾有损儿童健康；吸烟有害口腔健康；怀孕期吸烟易生出唇颚裂宝宝；吸烟者平均短寿高达20年；吸烟可以导致老年腰背痛；吸烟可能会导致牙齿脱落；被动吸烟可影响记忆力。II.Within20minutesafteryousmokethatlastcigarette,yourbodybeginsaseriesofchangesthatcontinueforyears.戒烟20分钟后体内将出现可持续数年的一系列变化用心爱心专心116号编辑●20MinutesAfterQuittingYourheartratedrops.●12hoursAfterQuittingCarbonmonoxidelevelinyourblooddropstonormal.●2Weeksto3MonthsAfterQuittingYourheartattackriskbeginstodrop.Yourlungfunctionbeginstoimprove.●1to9MonthsAfterQuittingYourCoughingandshortnessofbreathdecrease.●1YearAfterQuittingYouraddedriskofcoronaryheartdiseaseishalfthatofasmoker.●5YearsAfterQuittingYourstrokeriskisreducedtothatofanonsmoker5-15yearsafterquitting.●10YearsAfterQuittingYourlungcancerdeathrateisabouthalfthatofasmoker.Yourriskofcancersofthemouth,throat,esophagus,bladder,kidney,andpancreasdecreases.●15YearsAfterQuittingYourriskofcoronaryheartdiseaseisbacktothatofanonsmoker.用心爱心专心116号编辑