高中英语-Book 3 Unit 4 Astronomy the science of the stars教学设计学情分析教材分析课后反思

Book3Unit4Astronomy:ThescienceofthestarsLanguagepoints课标分析新课标要求，要树立新的教学观念应改变以教师为中心、单纯传授书本知识的教学模式。教师应帮助学生发展探究知识的能力、获取信息的能力和自主学习能力。要鼓励学生积极尝试观察、思考、归纳、总结等学习方式，改变死记硬背、机械模仿的学习方式。本节课遵循课标要求，改变传统的授课模式，通过找出重点句子，并引导帮助学生注意到特定的知识点和语言现象。这种做法旨在帮助学生发展探究知识的能力、获取信息的能力和自主学习能力。在33饿3某些比较长和难度较大的句子，通过提问题和设置填空题鼓励学生尝试通过观察、思考、归纳等学习方式，并进一步设置巩固训练加强知识点的落实。Book3Unit4Astronomy:ThescienceofthestarsLanguagepoints教材分析本单元的中心话题是“天文学”，因为涉及太阳系、地球上的生命起源、宇宙大爆炸、月球探秘、黑洞效应等，主要内容是围绕地球上生命的起源展开，所以对学生来说，词汇和语言稍显难掌握。教材通过对宇宙大爆炸理论进行科学性分析，推断出地球上生命的由来以及生物进化的过程。正文共五段，除了第一段“导入”和最后一段“结语”以外，其余三段都是集中在“生命起源”这一主题上。文章最后讲述的现象发人深省“…theearthmaybecometoohottoliveon.”它关系到地球上生命的未来。所以，语言点的讲解也是按照这个顺序来挑选需要重点讲解的句型和语言现象。另外通过一个虚构的科幻故事介绍了地球引力和月球引力的不同，同时对“黑洞”效应的描写也是通过这一样的方式展开的。这部分在之前已经阅读完课文的基础上，重点讲解了两个语言点。Book3Unit4Astronomy:ThescienceofthestarsLanguagepoints学情分析本班学生语言知识基础较好，词汇比较丰富，所以在概括总结语言知识方面自主性比较高。学生能够按照老师要求，积极主动参与到课堂教学中来，并且能够理解老师的引导，探索语言现象背后的语言规律。部分学生基础薄弱，在跟随教师授课步骤上比较被动。需要老师更多指导和引导，并加以课外辅导才能取得显著进步。根据本节课学生接受知识情况，可以考虑在课后酌情添加巩固练习，并根据不同层次的学生调整练习难度。Book3Unit4Astronomy:ThescienceofthestarsLanguagepoints教学设计StepIReviewthewordsandphrasesinthetext1.__________n.天文学→____________n.天文学家→____________宇航员n.2._________n.宗教；宗教信仰→________宗教的adj.3.globen.地球仪;地球→________adj.全球性的;全世界的4.v_________adj.猛烈的；激烈的；强暴的→adv.____________→____________暴力n.5.________prep.不同；不像→________像prep.→____________可能的adj.→__________不可能的adj.6.____________adj.有害的→________害处，有害v./n.→对…有害(短语)________________________7.__________vi.存在；生存→____________存在n.→开始存在/形成(短语)_______________________8.____________n.生物学→____________n.生物学家9.gentleadj.温和的；文雅的→adv.____________10.physicsn.→____________n.物理学家StepIIImportantsentencesinthetext;readandtrytorecite1.Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidgolbe.2.Theywereintimetoproducecarbondioxide,…andothergases,whichweretomaketheearth’satmosphere.3.Itwasnotimmediatelyobviousthatwaterwastobefundamentaltothedevelopmentoflife.4.Thisproducedachainreaction,whichmadeitpossibleforlifetodevelop.5.Sowhetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.6.Wearetoofarfromtheearthnowtofeelitspull.7.Whenwegetclosetothemoon,weshallfeelitsgravepullingus,butitwillnotbeasstrongapullastheearth’s.ButwhenItriedtostepforward,IfoundIwascarriedtwiceasfarasontheearthandfellover.Leavingthemoon’sgravitywasnotaspainfulasleavingtheearth’s.StepIIIAnalyzethesentences1.Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidgolbe.Note:whatitwastobecome在句中做__________what在从句中做____语。(1)______________________(使每个人吃惊的是）wasthathedidn’tcometothemeeting.what在从句中做____语。(2)____________（他所做的）addedtoourdifficulty.what在从句中做____语。(3)Chinaisnotlonger_________________(以前的样子).what在从句中做____语。Completethefollowingsentences:(1)我们得不到的似乎总是比我们拥有的要好的多。(2)________________________(让这所学校骄傲的)was_____morethan90%ofthestudentshadbeenadmittedtokeyuniversities.2.Theywereintimetoproducecarbondioxide,…andothergases,whichweretomaketheearth’satmosphere.Note1:intime1)及时（+forsth/todosth）2)最终；迟早(=soonerorlater)ontime 按时；准时atatime依次；逐一 attimes有时；间或=sometimesatonetime曾经；一度 atnotime在任何时候都不；绝不innotime立即；马上Completethefollowingsentences:(1)______________willChinabethefirsttousenuclearweapons.(2)Don’tallspeakatonce.One__________,please.(3)Allthesegiftsmustbemailedimmediatelysoastobereceived_____________Christmas.(4)Hecanbebad-tempered___________.(5)____________IlostheartinMath,butmyteacherkeptsaying“Youwillsucceed_________aslongasyoudon’tgiveup.”(6)Wheneverthereisanincident,peoplegatheraround_______________.Note2:beto(do):(something)willdefinitelyhappen,oritmusthappen翻译：Theysaidgoodbye,notknowingthattheywerenevertomeetagain._________________________________________________________________Sheistobehonouredforthisgreatwork.________________________________________________________________3.Itwasnotimmediatelyobviousthatwaterwastobefundamentaltothedevelopmentoflife.Note:本句是强调句吗？it在句中做____________;that引导_____________常见it做形式主语的句型：(1)Itis+n.(apity/ashame/anhonor/nowonder…)+从句(2)Itis+adj.(likely/impossible/natural/clear…)+从句(3)Itis+p.p(said/thought/believed/suggested…)+从句Itwassuggestedthey______________(wait)longer.insist/order/command/advise/suggest/proposedemand/request/require(4)It+vi.(seems/appears/happened…)+从句(改错)Itwashappenedthatwemetattheairport.4.Thisproducedachainreaction,whichmadeitpossibleforlifetodevelop.Note:①which引导_________________,指代____________②it在句中做________________(1)Ilikeitintheautumnwhentheweatherisclearandbright.it指代_____________________________________(2)Whydon’tyoubringittohisattentionthatyouaretoobusytodoit?it指代________________________________(3)Youcan’ttakeitforgrantedthateverybodywillhelpyouwhenyouareintrouble.it指代________________________________5.Sowhetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.Note:(1)本句中有两个whether;第一个引导____________,第二个引导______________;两者都________(可以/不可以)和if替换。(2)millionsofyearstocome不定式做___________翻译：________________________(3)dependondependonsb./sth.todo…That/It(all)depends.dependonitthat…(改错)Youcanneverdependonithewillhelpyou.6.Wearetoofarfromtheearthnowtofeelitspull.Note:too…to…在本句中的意思是_____________________翻译下列句子：Thenoisewastooloudformetostand.噪音太响，令我不能忍受。Rosewastoodelightedtoseeherlosttoyagain.Rose非常高兴再次见到那个丢失的玩具。7.Whenwegetclosetothemoon,weshallfeelitsgravepullingus,butitwillnotbeasstrongapullastheearth’s.ButwhenItriedtostepforward,IfoundIwascarriedtwiceasfarasontheearthandfellover.Leavingthemoon’sgravitywasnotaspainfulasleavingtheearth’s.Note:as…as…1.(倍数)as+adj./adv.+as…否定形式：notas/so+adj./adv.+as…这个大球是这个小球的四倍重。2.(倍数)as+adj.+a/an+n.+as…他跟班上其他同学一样，是个勤奋的学生。StepIVSummary:1.What引导主语从句，可以在从句中做__________.2.betodo表示_______________________3.it可以做形式_________和形式_____________it做形式主语的四个基本句型①②③④4.too…to…表示_______________和__________5.as…as…中间冠词、形容词和名词的排列顺序StepVHomework:Reviewallthelanguagepointsintheunit. Book3Unit4Astronomy:ThescienceofthestarsLanguagepoints评测练习一．单词拼写I’vejust__________(发现)amistakeonthefrontcover.Tobehonest,myopinionis_____________(相反)toyours.Heisalwaysw___________frommorningtillevening,doingnothing.I’dliketodoitwithyou,butIamnotsurewhethermyparents___________(允许)meto.Thepolicearestill____________(寻找)themeninvolvedinlastweek’srobbery.It’s_______________(难以置信的)thattheyhavepermittedthemantomanagethefirm.Itisbad___________(方式)totalkwithyourmouthfull.Hegoestothe_______________(理发店)onceamonth.Ididn’tsleepwelllastnight,butitwasmyown___________(过失).Ithadnothingtodowithmyroommate.Itseemsthatsomeyoungpeopledon’thave_____________(耐心)withanything.二．完成句子1.Thesickoldmandoesnothingbut__________________(盯着看)theceilingalldaylong.2.__________________________________(你怎样解释)yourlongabsencefromclasseswithoutaskingforleave?3.Hemanagedtopersuadehisparentsto______________________________________(允许他找一份工作).4.Jimdidn’tcometoschoolyesterday,and_______________________________(事实上),hedidn’tcomealllastweek.5.BillwasborninCanadabutwas__________________(抚养)inAmerica.6.Idon’tknowwhethertheydidit_____________________(偶然)orbydesign.7.__________________________________(无论他做出什么决定),hewouldsupporthim.8.----DoyoumindifIgowithyou?----No,___________________(请吧),please.9.Sometimesyouhavenochoicebut________________________________(冒险).10._______________(至于)people________________(衣衫褴褛),thecharityprovidedthemwithwhattheyneed.三、任务型阅读：TipsforclassroommanagementClassroommanagementcausesworryinnewteachers.However，classroommanagementisaskillthatisnotonlylearnedbutpracticeddaily.Herearetipsthatcanleadtosuccessfulclassroommanagement.Fairnessiskey.Studentshaveasenseofwhatisandwhatisnotfair.1Ifyoudonottreatallstudentsfairly，youwillbeconsideredasunfairandstudentswillnotfollowyourrules.Makesurethatifyourbeststudentsdosomethingwrong，theytoogetpunishedforit.Avoidconfrontations(冲突)infrontofstudents.Wheneverthereisaconfrontationinclass，thereisawinnerandaloser.2Otherwiseitwillcauseastudentto“loseface”infrontoffriends.Itisnotagoodideatomakeanexampleoutofadisciplinaryissue.Keephighexpectationsinyourclass.Pointthisoutthroughthewayyouspeaktoyourstudents.3Forexample，youmightsay，“Duringthiswholegroupdiscussion，Iexpectyoutoraiseyourhandsandberecognizedbeforeyoustartspeaking.Ialsoexpectyoutorespecteachother'sopinionsandlistentowhateachpersonhastosay.”Overplan.Freetimeissomethingteachersshouldavoid.Byallowingstudentstimejusttotalkeachday，youaretellingthemhowyouviewyoursubject.Toavoidthis，overplan.4Youcanalsofillupanyleft­overtimewithmini­lessons.Makerulesclear.Youneedtomakerulesclearenoughtobeunderstood.Studentsshouldunderstandwhatisnotacceptable.5A.Astheteacher，youneedtodealwithitprivately(私下).B.Youmustactfairlyforallstudentsifyouexpecttoberespected.C.Readapersonalexampleofthiswithmybestteachingexperience.D.Whenyoubegintheday，tellyourstudentsyourexpectations.E.Youshouldstartteachingyourclasswiththeexpectationthatstudentswillbehavewell.F.Whenyouhavetoomuchtocover，you'llavoidfreetime.G.Further，makesurethattheresultsforbreakingyourrulesarealsoclear.答案：1~5BADFG四、短文改错MyparentsandIwenttotheparkonlastSunday.Therewerelotsofvisitorsstoodinfrontoftheticketwindow.Wewaitedalongtimeandbuythreetickets.IntheTigerMountainofthepark，IwastooeagertoseethefiercefrightenedanimalsthatIquickenedmystepsthroughthecrowd.Unfortunate，Igotseparatedfrommyparents.Ihadhardtimelookingforhim，butIhadnoluck.Wanderinginthepark，Ifeltalonewithoutanycompanions.Worsestill，Ihadnomoney，soIhadtowalkhome，coveredasmuchas5kilometers.答案：第一句：去掉on第二句：stood→standing第三句：buy→bought第四句：too→so;frightened→frightening第五句：Unfortunate→Unfortunately第六句：hard前加a;him→them第七句：alone→lonely第八句：covered→coveringBook3U