Unit 1 Life Choices Lesson 1 Lifestyles 课件 高中英语北师大版必修第一册

Unit1LifeChoicesLesson1LifestylesTeachingobjectives,focusanddifficulties01TeachingObjectivesLanguageCompetenceCancorrectlyusethefollowingwordsandphrases:addict,dragoneselfaway,definitely,target,attentive,achieve,revise,awiderangeof,it'ssoconvenienttodosth...CulturalAwarenessUnderstandhowtomakeappropriateresponsesbasedonothers'remarksinEnglishcommunication.ThinkingQualitiesCompareandevaluatethetwolifestyles,andprovidereasonablesuggestions.LearningAbilityWiththehelpofkeywords,studentscanidentifythetopicsentencesofparagraphsandcompletepre-readingquestionsonthebasisofunderstandingthegeneralideaofthearticle.KeyPointsHowtointroduceone'slifestyleinauthenticEnglish.Tocarefullygraspthemainideaandcontentofthetext.DifficultPointsBeingabletoexpressone'slifestyle,personalemotions,andfutureexpectationsinappropriateEnglish.Understandingthateverylifestylehascorrespondingadvantagesanddisadvantages,andtheneedtoovercomeshortcomingswhilepromotingstrengths.TeachingKeyandDifficultPointsNewwordsandexpressions02n.一系列；范围

【原文】Idoawiderangeofthingsonline.(P8)我在网上做各种各样的事情。1．range【例句】Weneedtoexploreawiderangeofpossibilities.我们需要探究各种可能的情况。Wearenowwithinrangeofenemyfire.我们现在处于敌人的火力射程以内。【单句语法填空】(1)Carsaredriventhroughthemess,splashingeveryone________range.(2)Shehashadanumberofdifferentjobs，________(range)fromcheftoswimminginstructor.针对练习【完成句子】(3)Iwouldliketohelp,butwhatyouaskis________________________.我很想帮忙，但你问的事是我所不知道的。inrangingoutofmyrangeadj.不同的；各种各样的

【原文】Ialsoshopforvariousthingsonline,suchasbooks,computerhardwareandothernecessities.(P8)同样，我会在网上买各种各样的东西，比如书、电脑软件和其他的必需品。

2．various【例句】Thepricesofsomegoodsvarywiththeseason.某些货物的价格随着季节的变化而变动。【单句语法填空】(1)Thereare__________(vary)waysofdoingthis.(2)All__________(variety)ofgoodsfordailyuseareavailable.(3)Themenuvaries________theseason.针对练习variousvarietieswith【完成句子】(4)Readinghabits____________________persontoperson.阅读习惯因人而异。varyfromn.对……着迷的人【原文】MyparentsareworriedthatImaybecomean“Internetaddict”．(P8)我父母担心我会成为一个网迷。3．addict【例句】SheisaTVaddictandwatchesasmuchasshecan.她是个电视迷，看起电视来没完没了。Hersonaddictedhimselftosmoking.她的儿子吸烟上瘾。【单句语法填空】(1)She'sbecomeaddicted________lovestories.(2)He'sonly24yearsoldandadrug__________(addict)．(3)Headdictedhimselfto________(drink).针对练习toaddictdrinking【完成句子】(4)Shehadbecome________________golf.她已经迷上高尔夫球了。addictedton.意图；目的vi.力求达到【原文】Myaimistodowellineverysubjectthisterm.(P9)我这学期的目标是学好每门功课。4．aim【例句】Heworkshardeverydaytoachievehisaim.为了实现目标，他天天努力。Heraisedhisbowandbegantotakeaimatthebird.他举起弓，开始瞄准那只鸟。【单句语法填空】(1)Thesemeasuresareaimed________preventingviolentcrime.(2)Thecampaignwiththeaim________helpingthevictimsofcrimehasreceivedworldwideattention.(3)Theyareaiming________________(reduce)unemploymentby50%.针对练习atoftoreduce【完成句子】(4)ShewenttoLondonwith________________findingajob.她去伦敦是为了找工作。theaimofn.距离；间距【原文】Meanwhile,I'manactivememberofmyschool'slong-distancerunningteamandvolunteeringclub.(P9)与此同时，我是学校长跑小组以及志愿者俱乐部的活跃成员。5．distance【用法详解】inthedistance在远处That'sLongIslandinthedistanceoverthere.那边远处是长岛。fromadistance从远处Seenfromadistance,themountainlookedlikealion.从远处看，这条山脉像一头狮子。【单句语法填空】(1)It'sbetterforyoutokeephim________adistance.(2)Lightningflashedamongthe________(distance)darkclouds.(3)Theseawashardlyvisible________thedistance.针对练习atdistantin【完成句子】(4)Thepaintinglooksbetter________________.这幅油画在远处看起来好多了。atadistance句式解读1．Whatkindoflifestyledoyouthinkthetwostudentshave?(P8)你认为这两个学生有什么样的生活方式？【考点提炼】本句中的doyouthink作插入语，用来询问对方对某事的意见或想法，用于混合疑问句中。【针对练习】(1)这台车你认为值多少钱？Howmuchdoyouthinkthiscaris?(2)你认为这样的好天气能持续多久？Howlongdoyouthinkthisfineweatherwilllast?Howmuchdoyouthinkthiscaris?Howlongdoyouthinkthisfineweatherwilllast?句式解读2．Accordingtothem,thereisadangerthatImaynotbeabletotellwhetherthesefriendsarerealfriends.(P8)在他们看来，我会分不清那些网上的朋友是不是真正的朋友。【考点提炼】本句为复合句，that引导同位语从句，whether引导宾语从句。【针对练习】(1)Wearenotinvestigatingthequestion__________heistrustworthy．(2)Healwaysworkshardinspiteofthefact________heisnotingoodhealth.illlast?whetherthat句式解读3．You’lloftenfindmesittinginfrontofmylaptop．(P8)

你会经常发现我坐在笔记本电脑前。【考点提炼】句中用到了“find＋宾语＋宾补”的结构Ifoundthequestionhardtoanswer.我觉得这个问题很难回答。Onarrivingatthestation,hefoundhiswifewaitingtomeethim.他一到车站就发现他的妻子在等候他。(2)find＋it＋形容词/名词＋todo(it是形式宾语，todo是真正的宾语)IfounditimpossibletoleaveGermanyfortheUSA.我发现离开德国去美国是不可能的。【针对练习】单句语法填空(1)Theboyfoundhimself__________(walk)inthedirectionofhisfriend’splace.(2)Ifoundmyself____________(surround)byagroupofchildrenfullofcuriosity.(3)Somestudentsfinditdifficult__________(learn)Englishgrammar.walkingsurroundedtolearnFocusonlanguage：infinitives031.Mymumkeepstellingmetogooutwithmyschoolfriendsinstead.2.It'simportanttomeetfriendsinpersonfromtimetotime,notjustonsocialmedia.3.WhenIsetouttodosomething,Idomybesttoachieveit.4.Mytargetistopreparemyselfformydegreeinbiologyatuniversity.5.LiYingisthefirstpersontojointhevolunteeringclubinherclass.例句观察划出句中的不定式结构并思考分别做什么成分？objectcomplement(宾语补语)subject(主语)adverbial(状语)predicative(表语)attribute(定语)Iwakeupatsixo'clockeverymorning.It____________(take)melessthan15minutes____________(wash),getchanged,havebreakfastandleavehome.I'malwaysthefirstperson____________(get)tomyclass.Themorningsarealwaysverybusyandtheafternoonsareevenbusier!Byaroundfiveo'clock,Iusually____________(find)time____________(do)mypaperworkandpreviewthelessons.Youmaythinkthatit___________(be)boring____________(do)thesamethingeveryday,butIlikebeingbusy.(WangQing,16yearsold)完成句子takestowashtogetfindtodoistodo一、定义二、特点动词不定式与动词­ing形式、过去分词一样，是动词的非谓语形式。它与动词原形同形，但它的前面一般要带有一个不定式的符号“to”，不定式to后为动词，介词to后为名词、代词或动名词。动词不定式存在不带to的情况。动词不定式是非谓语动词的一种。非谓语动词是指那些在句中不能单独充当句子谓语的动词形式。动词不定式有及物和不及物之分，有时态和语态的变化。动词不定式除了谓语外可以作其他任何句子成分，包括主语、宾语、表语、状语、定语或宾语补足语。它可以在句子中起名词、形容词和副词的作用。动词不定式三、不定式的形式时态主动语态被动语态一般式to＋动词原形(todo)tobe＋过去分词(tobedone)完成式tohave＋过去分词(tohavedone)tohavebeen＋过去分词(tohavebeendone)进行式tobe＋现在分词(tobedoing)—完成进行式tohavebeen＋现在分词(tohavebeendoing)—1.一般式：不定式的动作与谓语动作同时发生或在谓语动作之后发生。Heseemstoknowthis.他似乎知道这件事。2.进行式：不定式的动作与谓语动作同时发生，并强调动作的持续性或正在进行。Hepretendedtobeworkinghard.=Hepretendedthathewasworkinghard.他假装工作很努力。3.完成式：不定式的动作发生在谓语动作之前或已经发生。Scientistsclaimedtohavemadeamajorbreakthroughinthefightagainstcancerinthepastthreemonths.科学家们宣称在过去的三个月里在攻克癌症方面已有重大的突破。4.完成进行式：强调不定式的动作从过去某一时刻起一直持续到某一时刻，强调动作的持续性，不强调结果。Therainwassaidtohavebeenfallingforaweek.据说雨已经下了一周了。四、不定式的用法1.作主语Tobeadoctorishard．做医生很难。TolearnEnglishwellisnoteasy．学好英语不容易。动词不定式(短语)作主语时，为了避免句子的头重脚轻，可以用“it”作形式主语，而把真正的主语——动词不定式(短语)放在句子的后部。例如上面的句子可以表示为：Itishardtobeadoctor.做医生很难。ItisnoteasytolearnEnglishwell．学好英语不容易。2.作表语在形式上，位于系动词后的就是表语。从含义上讲，表语是回答主语“是什么”或“怎么样”的句子成分。动词不定式(短语)作表语常用于系词be的后面。Hisworkistodriveacar．他的工作是开车。Myjobistofeedanimals．我的工作是饲养动物。Heridealistobeadoctor．她的理想是当医生。3.作宾语动词不定式(短语)可以放在一些动词后面用作宾语，能以动词不定式作宾语的动词有：begin,start,want,forget,remember,show,learn,like,hate,love,ask等。Iwanttotellyouastory．我想给你讲个故事。Theybegintoworkateighteverymorning．他们每天早晨8点开始工作。【拓展提升】1.如果and连接两个动词不定式，第二个动词不定式一般省“to”。Hewantstohaveaswimwithus.他想和我们一起去游泳。2.若作宾语的动词不定式(短语)很长，可用it作形式宾语。IfinditinterestingtolearnEnglishwithyou.我觉得和你一起学英语很有趣。Hefoundithardtocatchupwithothers.他觉得赶上别人很困难。4.作宾语补足语1.不可以省to的不定式作宾语补足语。tell/ask/want/wouldlike/teachsb.todosth.Theteachertoldustocomeearliertomorrow.老师要求我们明天早点来。2．省略to的不定式作宾语补足语。Lettheboygooutnow．现在让那个男孩出去。Isawthestudentsplaybasketballontheplaygroundyesterday.昨天我看见学生们在操场打篮球。5.作后置定语动词不定式作定语常用来修饰名词或不定代词，放于所修饰的词后，为后置定语。Whowasthefirstonetoarrive?谁是第一个到的？Shehasnopapertowriteon．她没有纸写字。【拓展提升】动词不定式(短语)作定语修饰名词时，与其所修饰的名词具有一种动宾关系，如果不定式中的动词为不及物动词时，其后应加上一个含义表达上所需要的介词。Ihavenochairtositon.我没有椅子坐。6.作状语动词不定式作状语常用在go,come,hurry等不及物动词后。Hewenttoseehissisteryesterday.他昨天去看妹妹了。【拓展提升】不定式作状语，可表示动作的目的、结果、原因、条件和方式。A．表目的Hegoestheretoenjoythefreshair．他去那儿享受新鲜空气。B．表结果Iwenttotheclassroom,todiscoveritempty．我走到教室，结果发现教室是空的。C．表原因I’mverygladtohearthatLiLeihasbeenelectedsecretaryoftheParty.听说李蕾被选为书记，我很高兴。D．表条件Tobeheated,liquidwillchangeintogas．如果受热，液体就会变成气体。E．表方式Hemovedhismouthasiftosaysomething.他动了动嘴唇，好像要说什么事似的。1.单句改错(1)I’mafraidwehavenochoicebuttakeataxi．(2)Shecan’thelpcleaningthehousebecauseshe’sbusymakingacake.(3)Whynottoletherhaveatry?(4)Hedidwhathecouldhelpmewithmyphysics.(5)You’dbetterlisteningtoyourteacher’sopinion.but后加tocleaning→(to)clean去掉tolistening→listenhelp→tohelp五、练习(1)Ha