Unit4AmazingScienceTopic3Chinaisthethirdnationthatsentapersonintospace.SectionBⅠ.Materialanalysis本课是九年级第四单元第三话题的第二课时。主活动是1a。1a通过Kangkang向Mr.Brown了解宇宙飞船的相关知识，把话题的内容由宇宙飞船引入到电脑科技并继续学习定语从句。1b主要是培养学生运用已知的知识来推断未知的知识的能力。1c则是通过完成短文来复述1a的内容。2是训练“听并排序”和“听并记录”的技能，在训练技能的同时拓展了学生的知识面。3是典型的语法操练，巩固定语从句关系代词的运用。4将语音语调的训练与定语从句结合了起来。Ⅱ.Teachingaims1.Knowledgeaims：掌握本课的重点词汇和短语，继续学习定语从句。2.Skillaims:能够运用已知的经验来预测未知的领域。能够在2中进行“听并排序”和“听并记录”，并且能运用速记技巧完成句子。能够通过4，学习长句的停顿、弱读并把握正确的语音语调。3.Emotionalaims:(optional)激励学生努力学习电脑知识，使之更好地服务于人类社会。
4.Cultureawareness:(optional)Ⅲ.Thekeypointsanddifficultpoints1.Keypoints:Wordsandphrases:electronic,spacesuit,telescope,usedtodo,usesth.todosth.,advisesb.todosth.,makesb/sth.dosth.,makeupone’smindtodosth.,addsth.to…Sentences:Spaceshipswhichnowmainlyuseeletroniccontrolsusedtobecontrolledbyastronauts.SoIadviseyoutodiscovernewwaystomakecomputersserveusbetter.Thanksforyourintroduction.IthinkthatifIworkhardthennothingisimpossible.Grammar:Attributiveclause2.Difficultpoints：Spaceships(whichnowmainlyuseeletroniccontrols)usedtobecontrolledbyastronauts.长句的停顿、弱读与重读。Ⅳ.Learningstrategies在听之前，凭借自己已有的知识对选项进行预测。运用速记技巧，提高在任务2中听写的准确率。通过听4中定语从句的句子，领会长句的停顿、重读和弱读，尤其是弱读。Ⅴ.Teachingaid
一块电子表/一个望远镜/录音机/ppt等。Ⅵ.TeachingproceduresStage(timeperiod)InteractionpatternsTeacheractivityStudentactivityRemarks1Revision（3mins)IndividualworkLettheSsreadouttheirsentenceswithattributiveclause.T:Hi,boysandgirls!Let’sbeginourclass.Doyoustillrememberthegrammarwelearnedinthelastperiod?T:Haveyouwrittenfivesentenceswithattributiveclause?T:Whowantstoshowus?Don’tbeafraidofmakingmistakes.Readouttheirsentenceswithattributiveclause.Ss:定语从句。Ss:Yes.S1:Lookatthisphoto.Theboywho/thatisnexttomeismycousin.S2:Oh,mygod!Thebookwhich/thatIborrowedfromtheschoollibraryislost.S3:Themanwhohastwochildren可能有的学生写的句子会出现从句的谓语与主句的人称不一致的错误，老师要加以改正。另外，目前所学的定语从句里，关系代词在从句中都是作主语。老师也可以有意识地提一下：关系代词还可以做其他成分。
T:That’sterrific!Youallmadeupsonicesentences.willbeournewP.Eteacher.S4:…2Pre-listening(7mins)GroupworkStep1:LettheSsdiscusshowthespaceshipsworkduringtheflighttoleadto1a.T:Weknowspaceshipsplayanimportantpartinexploringtheouterspace.Doyouknowhowthespaceshipsworkduringtheflight?Discussingroupsforawhile,andthenreporttotheclass.T:Doyouhaveanyideas,Group1?T:Group2?T:Goodideas!Whichgroupisright?Let’skeepitasasecret.Afterlisteningto1a,youwillgettheanswer.Discusshowthespaceshipsworkduringtheflight.S1:Wethinkthespaceshipsarecontrolledbytheastronauts.S2:Wedon’tagree.Wethinkthespaceshipsarecontrolledbycomputers.S3:…如果学生不能用英语来讨论飞船是怎样工作的，也可以用汉语来表达。
IndividualworkStep2:LettheSsreadthestatementsin1b,tickthepossibilities.T:Maybeyouknowmuchaboutcomputers.Trytopredictwhatcomputerscandotospaceships.Tickwhatyouthinkmayhappen.Readthestatementsin1bandtickthepossibilities.让学生根据已有经验来预测未知的领域有助于激发他们听的欲望，并更专注于特定的内容。3While-listening(4mins)IndividualworkLettheSslistento1aandgettheanswerstodiscussionandprediction.Checktheanswers.Finish1b.T:Now,youmaybeeagertoknowwhichgroupisrightandwhetheryoupredictedcorrectly.Now,it’stimetofindouttheanswers.Listento1acarefullyandchecktheanswers.Whenyoufinish,putupyourhand.Listento1aandgettheanswerstodiscussionandprediction.Checktheanswers.Finish1b.因为学生还没有学习electronic这个单词，所以难以得到正确的答案，可以等到他们阅读1a后再揭晓。
T:Whichgroupisright,doyouknow?T:Maybeit’shardtotellwhichgroupisrightuptonow.Don’tworry.Youwillknowtheanswerlater.ButI’dliketoknowwhopredictedmostcorrectly.xxx,haveyougotthemcorrectly?T:Doyouagreewithhim,everyone?S1:Group1.S2:Group2.S3:Group3.S4:….S5:Yes.No.2,No.3andNo.4.Ss:Yes.4Post-listening(12mins)ClassactivityStep1:LettheSsread1a,findthenewwordandtheattributiveclauseanddo1catthesametime.T:Wehavelistenedto1aandnowlet’sreadthedialog.Whenreading,youshouldfindthenewword,theattributiveclauseanddo1c.Ifyoufinish,raiseyourhand.T:ThereisonlyoneattributiveclauseintheRead1a,findthenewwordandtheattributiveclauseanddo1catthesametime.S1:Yes.Spaceshipswhichnowmainlyuse…electroniccontrols学生在找到定语从句后，可能不会读“electronic”,这时老师要及时板书并领读。
Classactivitydialog.Haveyoufoundit,xxx?T:Electronic.T:Followme,everyone.“Electronic”.T:(showanelectronicwatch)Look!Thisisawatch.It’sanelectronicwatch.Canyouguesswhat“electronic”means?T:Right!Now,doyouknowhowspaceshipsworkduringflight?T:Absolutelyright.T:Thenlet’schecktheanswersto1c.Onestudentforoneblank.xxx,beginwiththefirstblank,please.T:Verygood!Payattentiontothephrase“makeupone’smindtodosth.”.Step2:LettheSsread1aagainandfindoutthedifficultpointsandusefulexpressions.usedtobecontrolledbyastronauts.Ss:Electronic.S2:电子的。S3:Theywerecontrolledbyastronautsinthepast,butnowtheyarecontrolledbycomputers.S4:controlledS5:electronicS6:…Read1aagainandfindoutthedifficultpointsanduseful
T:Now,youhavegotalltheanswers.Next,wewillpayattentiontodifficultpointsandexpressions.Read1aagainandtrytofindoutthedifficultpointsandusefulexpressions.Whenyoufinish,putupyourhand.T:Anydifficultpoints?T:Youknow“usedtodosth.”,right?T:It’sthepassivevoiceofit.Itsstructureis“V+to+be+pp”.Forexample,“Theclassroomistoodirty.Ithastobecleanedrightnow.”T:Nomorequestions?Thenhowaboutexpressions?expressions.S1:Whatdoes“usedtobecontrolled”mean?S1:Yes.S2:advisesb.todosth.S3:Thanksforyourintroduction.对于学生可能提出的动词不定式的被动语态，老师不要多讲，只要让学生知道有这种用法，知道意思就行了。5FinishingTask2ClassactivityStep1:LettheSslookatthepicturestolearnthenewwordsandgettoknowtheLookatthepicturestolearnthenewwordsandgettoknowthelistening可以通过构词法来教学：
(7mins)Individualworklisteningmaterials.T:Hey！Look!Therearesomepicturesin2.Someofthemlookstrange.WhatisPicture2?Canyouguessit?T:Yes.Theyareclothes.Theyareforastronauts.Theyarecalledspacesuit.Repeat，“spacesuit”.T:HaveyouseenthethingsinPicture3?T:Ihaven’tseenthem,either.Igiveyousomehints.“Tele-”means“faraway”,“-scope”means“somethinglikeamirror”.Canyouguessitnow?T:Smartboy!Look,Ihaveatelescopehere.T:Now,youwilllistentofourshortpassagesandtrytonumberthepictures.Step2:LettheSslistento2andnumberthematerials.S1:宇航员。S2:不对，看起来像衣服。Ss:spacesuit.Ss:No.S3:望远镜。Listento2andnumberthepictures.space+suit(一套衣服)=spacesuit，tele(远的)+scope(镜，仪器)=telescope。
Individualworkpictures.T:Tellmetheorder,boysandgirls!T:Right?Step3:LettheSsreadthesentencesinBquicklyandgettoknowwhattheyshouldpayattentionto.Then,listento2.T:TaskAisquiteeasy,butTaskBisalittledifficult.You’dbetterreadthesentencesquicklyandgettoknowwhatyoushouldpayattentionto.Andyoushouldwriteasquicklyaspossiblewhilewriting,justaswedidbefore.T:Shallwechecknow?T:Onestudentforonesentence.xxx,youbeginwiththefirstone.S1:2-1-3-4.Ss:Yes.ReadthesentencesinBquicklyandgettoknowwhattheyshouldpayattentionto.Then,listento2.Ss:OK.S1:spaceshipS2:water,driedfoodS3:..这种听写型的任务，应让学生先看题，以便明确目标。如果学生一次不能完成，可以听两次。
6FinishingTask3(3mins)IndividualworkLettheSsdo3,checktheanswersandfinish3.T:Wehavelearnedattributiveclause.Now,it’stimetocheckwhetheryoucanuseitcorrectlyornot.Pleasedo3alone.Whenyoufinish,putupyourhand.T:xxx,No.1,please.T:I’mgladthatyouhaveimprovedalot.Do3,checktheanswersandfinish3.S1:who/thatS2:which/thatS3:which/thatS4:…7FinishingTask4(7mins)IndividualworkClassactivityStep1:LettheSsreadthesentencesin4bythemselves.T:Herearefivesentencesin4.Readthembyyourselves.Payattentiontotheintonationandtheunderlinedwords.Step2:LettheSslistentothetapeandfollowit.T:Now,pleaselistentothetapeandfollowit.Payattentiontothepause,weakformReadthesentencesin4bythemselves.Listentothetapeandfollowit.停顿和弱读是学生的弱点，要让学生多模仿，多练习。
andintonation.Step3:Encouragesomestudentstoimitatethetape.8Summarizingandassigninghomework(3mins)ClassactivityStep1:LettheSssumupthissection.T:Youhavelearnedattributiveclause.Whichwordscanbeusedasrelativepronouns?T:Howtochooserelativepronouns?T:Howtodecidetheformsoftheverbsintheclause?Step2:HMKT:LookattheexampleontheBb.Afterclass,youshouldmakeupanotherfivesentenceslikethis.Sumupthissection.S1:Who.S2:Which.S3:That.S4:先行词指人时，用who/that；先行词指物时，用which/that。S5:与先行词保持一致。先行词是单数，动词用单三式；先行词是复数，动词用原形。
Example:Themanwho/thatis(be)underthetreeisourheadmaster.Ⅶ.BlackboarddesignChinaisthethirdnationthatsentapersonintospace.SectionBWordsandphrases:electronicspace+suit=spacesuittele+scope=telescopeusedtodousedtobe+ppadvisesb.todosth.makeupone’smindtodoGrammar:attributivesrelativepronouns:which,who,that注意从句的谓语与主句的人称保持一致。先行词在从句中可以作主语，也可以作其他成分。Sentences:Spaceshipswhichnowmainlyuseelectroniccontrolsusedtobecontrolledbyastronauts.
SoIadviseyoutodiscovernewwaystomakecomputersserveusbetter.Thanksforyourintroduction.IthinkthatifIworkhardthennothingisimpossible.
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