Unit2HealthyLifestyleLearningAboutLanguage课件高中英语人教版选择性

Unit2HealthyLifestyle------LearningAboutLanguageThegreatestwealthishealth.---Virgil健康是最大的财富。---维吉尔Part01Languagepointsmakeupone'smind下定决心in

skipvt.不做(本来常做或应做的事);不参加;悄悄溜走skipagrade跳级skipbreakfast不吃早饭skipschool/class逃学/逃课skipoverthefence跳过栅栏练习：Apparently,itisnotright_________(skip)class.You'dbetternotdothat.skipped祈使句+and/or+陈述句祈使句陈述句特点该句式是并列句,连词and表示顺承;or表示转折，意为“否则,要不然”。Consumemorevegetablesandfruit,and

youwillfeelbettersoon.多吃蔬菜和水果,你很快就会感觉好点。特点祈使句表条件,可转换成条件状语从句。(去掉并列连词)Keeponworkinghard,andyouareboundtopasstheexamination.=Ifyoukeeponworkinghard,youareboundtopasstheexamination.继续努力，你一定会通过考试的。Completetheconversationswiththecorrectformsofthephrasesinthebox.beginwithbeincontrolofmakeachoicedecideonmakeupone'smind1.A:Hello,doctor.Iwanttoloseweight,butljustcan'tseemtodoit.Whatcanyoudotohelpme?B:Well,first,it'snecessaryto____________whatyoueat.Cutoutallfattyfoodandsugarydrinks,andeatmorefruitandvegetables.2.A:Ireallyneedto________awaytoexercisemore.lcoulduseafitnessapp,butmyphone'sfull.B:

Sodeleteafewfiles.I'msuretheappdoesn'ttakeupmuchspace.3.A:Beforeexercising,alwaysdoafewwarm-upsto___________.B:

Iknow.ButthenIalwaysfeeltootiredtocontinue!4.A:Shouldlgoforthepizzaorthefriedchicken?Ihate_________________likethese.Youknowwhat-I'mgoingtoeatboth!B:

Wow!Don'teattoomuchjunkfood-you'llgetfat.I'veactually_________________togoonadiet,soI'lljuststicktothefruitsalad.beincontrolofdecideonbeginwithmakingchoicesmadeupmymindPart02DiscoverusefulstructuresLookatthefollowingsentencesandpayattentiontotheitalicisedinfinitives.Discusstheirmeaningsandfunctions.Tochangebadhabitsisnevereasy.Ittookthesurgeonthreehourstofinishmymother'slungsurgery.TojointhePeople'sLiberationArmy,itisrequiredformentoshaveofftheirbeards.Itwasnotpolitetodisturbyourneighbourswithloudmusiclastnight.作主语真正主语形式主语形式主语真正主语真正主语形式主语动词不定式作主语Itisnotrightforyourparentstodominateyourlife.你的父母控制你的生活是不对的。Itisagainstthelawtoabusehispower.他滥用权力是违法的。用作主语的动词不定式及其短语常出现在谓语动词之后,而句首用形式主语it代替。Togetenoughproteineachdayisbeneficialtoourhealth.每天摄取足够的蛋白质对我们的健康有益。不定式作主语位于句首常出现在正式文体中。单个不定式作主语,谓语动词用单数形式。动词不定式作主语Itisnecessaryforustopreventthewarbreakingout.我们有必要防止战争爆发。Itis+adj.+for/ofsb.+todosth.常用句型形容词表示事物或行为的特点或性质,介词用for,如good,easy,difficult,possible,necessary。形容词表示人的品格或特点,介词用of,如kind,polite,impolite,rude,foolish。Itistooimpoliteofyoutospeaktoanoutstandingteacherlikethis.你这样对一位杰出的老师说话太无礼了。动词不定式作主语It'smydutytotakegoodcareofmyyoungersister.照顾好我的妹妹是我的责任。It+be+名词+todosth.做某事是······常用句型Itmustbegreatfuntoflytothemooninaspaceship.乘宇宙飞船飞往月球一定很有趣。Ittakessb.sometimetodosth.做某事花费某人一些时间。Ittookmemorethananhourtodomyhomeworkyesterdayevening.昨天晚上我做作业花费了一个多小时。辨析Itis+adj.+for/ofsb.todosth.sb.是todosth.的逻辑主语常用于表示事物的特征，用于此句型的形容词有：easy, hard, difficult, possible, important, impossible, necessary, good, bad, exciting, interesting, surprising等。Itisnecessaryforyoungstudentstolearna foreignlanguage.对年轻的学生来说，学习一门外语是必要的。It’simportantforustokeepthewaterclean.保持水质清洁对我们来说是很重要的。辨析Itis＋adj.＋ofsb.＋todosth.形容词用来表示不定式的逻辑主语(sb.)的性质、特征或品德常见的此类形容词有： kind, nice, wise, silly, polite, impolite, friendly, foolish, clever等。Itwassillyofyoutogiveupsuchagoodchance！你放弃这么好的一个机会，真傻!Itisfriendlyofthefamilytotrytomakemefeelathomeintheirhouse.这家人对我很友好，使我在他们家里感到宾至如归。Itis+n.+(forsb.)todosth.常见的名词有：pity, shame, pleasure, one’sduty, one’sjob, fun, joy, goodmanners, badmanners等。Whatapityitisforyoutohavemissedsuchawonderfulfilm.真遗憾你错过了这样一个精彩的电影。  Itmustbegreatfuntoflytothemooninaspaceship.乘宇宙飞船飞往月球一定很有趣。practiceItiswrongforyou_________(skip)breakfast.Although_________isahardtasktoprotectourenvironment,wecan'thelpbutgoahead.Idon'tthink____________________________(你问……是不礼貌的)howlongtheinterviewwilllast.____________________________(保卫……是我们的职责)thecountryagainstitsenemies.toskipititisimpoliteofyoutoaskIt'sourdutytodefend____________________________(……花了我半个小时)towashtheclothes.IttookmehalfanhourJointhewordstomakefullsentences,andthenjointhesentencestomakeaparagraph.Youcanaddyourownsentencesifnecessarytomakeyourparagraphmoremeaningful.1.willtake/nutritionspecialist/abalanceddietmenu/make/anhour/foryou______________________________________________________________2.useful/turnto/fitnessconsultant/foradvice______________________________________________________________3.illegal/dangerous/take/drugs______________________________________________________________4.harmful/skipbreakfast/often______________________________________________________________Itwilltakeanhourforanutritionspecialisttomakeabalanceddietmenuforyou.Itisusefultoturntoafitnessconsultantforadvice.Itisdangeroustotakeillegaldrugs.Itisharmfultoskipbreakfast(too)often.疑问词+不定式Howtoconstructthetheoreticalframeworkisveryimportant.怎样构建理论框架很重要。Thequestioniswhentostartdevelopingsuchavaccine.问题是何时开始研制这种疫苗。Idon'tknowhowtohandlethecrisis.我不知道如何处理这一危机。主语表语宾语可用于该结构的疑问词疑问代词:who,whom,what,which疑问副词:when,where,how常接该结构的动词know,see,decide,tell,ask,consider,explain,learn,wonder该结构的句法功能主语、宾语和表语“疑问词+不定式”结构相当于一个由疑问词引导的名词性从句。Ajudgemustdecidewhoseprooftobelieve.=Ajudgemustdecidewhoseproofhe/sheshouldbelieve.法官必须决定相信谁的证据。practiceIcouldn'tdecide___________biketobuy.Twentystudentswanttoattendtheclassthataimstoteachhow___________(read)

fast.Whenandwhere___________(celebrate)

hissuccesshasn’tbeendecided.___________________(何时装修)

thehousehasn'tbeendecided.Theydidn'tdecide___________________(在哪里举行)

thedebate.Thequestionis___________________(怎样拆卸)

themachine.whichtoreadtovoteWhentodecoratewheretoholdhowtotakeapart不定式短语作独立成分Totellthetruth,Idon'tlikethegiftedactressinthemovie.说实话,我不喜欢这部电影中的那个有天赋的女演员。一些不定式短语可用作独立成分,通常位于句首,有时位于句中或句末,要用逗号同其他句子成分隔开。tobebrief简言之tobeexact确切地说tobefrank坦白地说tobehonest说老实话tosumup总而言之totellthetruth说实话toconclude总而言之tobegin/startwith首先___________practiceShewrote,___________(确切地说)

tennovelsinherlifetime.___________________(坦白地说),Nancyisagirlwithgreatambition.___________________(说老实话)

,Idon’treallywanttogotothepartytonight.Tosumup/ToconcludeTobebrieftobeexactTobefrankTobehonest____________(简言之),hewashappywiththeresult.Part03Practice选择填空2._______willdoyougoodtodosomeexerciseeverymorning.A.thisB.thatC.itD.heA.ItB.ThereC.ThoseD.One3.It'simportan