Unit 2 Reading and Thinking知识点-高中英语（人教版2019）（选择性必修第三册）.pptx

Unit2HealthyLifestyle

HABITSFORAHEALTHYLIFESTYLEAsteenagersgrowup,theybecomemoreindependentandstartmakingtheirowndecisions.However,duringthisperiod,itcanbeeasyforsomeofthemtoformbadhabits.Thesebadhabits,ifleftunchecked,couldleadtomoreseriousoneswhentheybecomeadults.Forexample,someofthemmaybecomeinvolvedintobaccooralcoholabuse,whichcanleadtophysicalandmentalhealthproblems.Topreventharmfulhabitslikethesefromdominatingateenager’slifeisessential.Theymustlearntorecognisebadhabitsearlyandmakeappropriatechanges.导致动词不定式短语作主语，相当于Itisessentialtoprevent...life.as引导时间状语从句when引导时间状语从句条件状语从句，if后面省略了theyareParagraph1

自己做决定改正/认清不良习惯置之不理/放任不管卷人;参与;与……有关联过度吸烟/饮酒造成身心健康问题支配青少年的生活做出恰当的改变

maketheirowndecisionscorrect(fix)/recognisebadhabitsleftunchecked become/be/getinvolvedin★ tobacco/alcoholabuse leadtophysicalandmentalhealthproblems/issuesdominateateenager’slifemakeappropriatechanges

as意为随着，引导时间状语从句。1.Asteenagersgrowup,theybecomemoreindependentandstartmakingtheirowndecisions.在成长过程中，青少年会变得越来越独立，并且开始自己做决定。

Itwasaclosefinish,astheyhadpredicted.Theracewascalledoffasahurricanestruck.Happyastheywere,therewassomethingmissing.Mysleepleftmeasthelightleftthenight.随着最后期限的临近，我更加努力地工作随着时间的推移，我被做得更小了Asthedeadlinecamenear,Iworkedharder.Astimewentby,Iwasmadesmaller正如他们所预料的，比赛结果难分上下。由于飓风袭击，比赛被取消了。尽管他们很快乐，但总缺少点什么。睡眠弃我而去如同光明离开黑夜。as还可以引导其它从句虽然，尽管(though)像……一样因为，由于正如

①Childasheis,heknowsmuch.②Imuststopwritingnow,asIhavealotofworktodo.③TheydidasIhadasked.阅读下列句子，写出句中黑体词的词性、词组和含义尽管、虽然因为、由于照......方式【即学即用】句型转换①Asspringcomes,everythingcomestolife.→Withspring,everythingcomestolife.②Althoughhemighttry,theyoungmanfailed.→hemight,theyoungmanfailed.comingTryas

2.Topreventharmfulhabitsliketh