八年级下册英语外研版导学案：M3U1

Module3JourneytospaceUnit1Hasitarrivedyet?（第一课时）一、学习目标：1.初步掌握本课重点词汇和句型，初步理解课文内容，提高有关宇宙一类话题的听力技能，通过语音训练拓展日常交际用语2.初步理解现在完成时表动作已经完成并对现在有影响的用法，以及现在完成时与just,already,yet的连用3.培养学生对于科学和新事物的热爱，激发他们对于知识的渴望二、学习重点：听懂有关探索火星的对话三、学习难点：透彻理解对话中现在完成时的句子课前预习一、使用说明与学法指导1.朗读并识记单词表中本课新词汇，预习课文对话，初步理解，不会读或不能理解的用红笔标记2.限时15分钟完成二、教材助读1.朗读并识记听力部分的单词并根据活动预测听力内容，为听力扫除障碍2.仔细预习课本语法部分关于本模块的语法知识，完成下列习题：1)现在完成时表示动作____________________________；2)现在完成时句子的谓语部分：____________________________；3)动词由原形变过去分词分为规则变化和不规则变化①规则变化：一般动词末尾有不发音的字母e重读闭音节中，“辅-元-辅”字母结尾“辅音字母+y”结尾②不规则变化：熟读课本P126-129不规则动词变化表，并记下已学的动词4)现在完成时的肯定句中若表示“刚刚”采用________，“已经”采用“________”，否定句中表示“还没；还未”采用“________”。三、预习自测（一）用英语写出下列单词1.地球2.月亮；月球3.新闻；消息4.行星 5.到达；抵达6.还；尚7.刚才；刚刚8.模型 9.宇宙飞船10.计划；工程11.最近的；最新的12.在（播放）中；关于……13.发现；找到14.宇航员（二）通过理解上下文在对话中找出下列短语1.没问题_____________________2.最新消息_____________________3.send…to…_________________4.花费数月_____________________5.在新闻上___________________6.discoverlifeonMars_____________7.notyet______________________8.havebeentosp._________________9.遥远_______________________10.远得多______________________11.努力地工作________________12.inordertodosth._______________13.太空旅行__________________14.获得关于……的信息__________15.goonline___________________16.搜寻信息____________________（三）通过理解上下文在对话中找出下列句子1.你在干什么呢？______________________2.Sure,noproblem.___________________3.That’swhyit’sonthenews.__________________________________4.为了有一天把宇航员送到火星上，许多科学家正在努力地工作。__________________________________________________________5.HowcanIgetinformationonspacetravel?__________________________________________（四）找出对话中九个现在完成时的句子并翻译：_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________大声朗读以上单词、短语及句子，通过上下文深刻理解并识记我的疑问：__________________________________________________________________________________________________________________________________________________________课内探究一、情景导入Talk:Whohasbeentothemoon?Howdidtheyreachit?二、学始于疑HasanyonebeentoMars?HavescientistsdiscoveredlifeonMars?三、质疑探究1.洗耳运动：Completethelisteningpart----Activity1&Activity22.Listenandread1)Listenandreadsilently.Thenanswerthequestions:HavescientistsdiscoveredlifeonMars?HaveanyastronautsbeentoMars?2)Readaloudbyyourselves.Then,answerthequestionsinActivity3.Finally,discussingroups.3)CompletethepassageinActivity4byyourselves.四、当堂检测（一）根据首字母或汉语提示，结合句意完成单词1.Asweknow,thee___________goesaroundthesun.2.DoyouknowaChinesea___________namedYangLiwei?3.Oneofmyclassmatesmadea___________（模型）shipandshowedittous.4.HaveyoureadHanhan’s___________（最近的）works?5.Thepoliced___________somethingstrangeintheforest.Maybeit’llbehelpful.6.----HasLisar___________thetrainstation?----Notyet.Wehavetokeepwaiting.7.Therearequitealotof___________（行星）aroundthesun.8.Ihaven’theardofany___________（消息）aboutTonySmithforquitealongtime.9.S___________cancarrypeopletothespace.10.We’ve___________（刚刚）finishedthework.Solet’sgooutandplayforawhile.（二）根据汉语提示完成句子1.What________you________________?你们在干什么呢？2.Isittruethatscientists________________life________Mars?科学家真的在火星上发现了生命吗？3._______________________________Mars,butnoastronauts_____________there______.宇宙飞船去过火星，但还没有宇航员去过。4._______anyone________________information________________________________?有人在网上搜索过关于火星的信息了吗？5.________________________,theUS________________________itstalkwithCuba.在今天的新闻上，美国已经开就始了与古巴的对话。五、课后反思__________________________________________________________________________________________________________________________________________________________课后训练用所给词的正确形式填空1.Nobody___________(solve)themathsproblemyet,exceptme.2.We__________(try)ourbestalreadyandwearehopefultogetthefirstprize.3.We____________(notsend)anyastronautstoMarsyet.4.________thepolice________(discover)anythinghelpfulyet?5.Thespaceship_________(reach)themoonlastThursday.6.----Why________littleTomcryjustnow?----Becausehelosthismoney,buthe________(stop)already.7.----Needwetakeanyvegetableshome?----No,weneedn’t.I_________(buy)someyesterday.8.----Doyouknowthatthereisgoingtobeasportsmeetingnextmonth?----Oh,really?I___________(hear)aboutthat.Unit1Hasitarrivedyet?（第二课时）一、学习目标：1.熟练掌握本课重点词汇、句型2.熟悉现在完成时的一般疑问句及其回答3.培养学生自主学习、合作学习和探究的能力二、学习重点：辨别现在完成时中just,already,yet的运用三、学习难点：辨别现在完成时中just,already,yet的运用课前预习一、使用说明与学法指导：1.小组合作深入理解课文对话，挖掘对话中的知识重点2.限时15分钟完成二、教材助读1.本模块的重点结构是现在完成时，因此，须勾画出现在完成时的句子并标注出其谓语部分2.本课将just,already,yet融入现在完成时，是本课重点词汇，小组探讨关于它们各自在句中的用途三、预习自测找出课文对话中所有动词的过去分词规则变化：arrive-arrived________________________________________________________不规则变化：_______________________________________________________________________________________________________________________________________________四、我的疑问：__________________________________________________________________________________________________________________________________________________________课内探究一、情景导入Workinpairs.Askandansweraboutwhatwehaveorhaven’tdonetoMars.e.g----Havewe…(yet)?----Yes,wehave./No,wehaven’t.二、学始于疑1.现在完成时的句子在朗读中需要注意些什么？2.本模块将just,already,yet用于现在完成时态，你知道它们各自用于具体什么情况吗？3.我们到现在已学到哪些“到达”？哪些“信息；消息”？哪些“发现”？三、质疑探究（一）按要求完成语音部分注意现在完成时中动词过去分词的读音（二）知识要点探究1.Whatareyouupto?“_________________________”beupto…有“忙于……；从事于……”之意，Whatareyouupto?相当于Whatareyoudoing?2.I’vejustmadeaspaceshipmodel.“____________________________________________”just意为“______”，副词，常用于现在完成时，位于句中，____________之后，______之前。辨析：just/justnow“刚刚；刚才”时态在句中的位置justjustnow（相当于amomentago或aminuteago）牛刀小试：选词填空：just/justnowThemeetinghas_______started.Mumanddadwentout________.根据汉语意思完成句子：我们刚刚完成了我们的报告。We___________________ourreports.刚才丽莎发来一封邮件。Lisa________anemail____________.3.Ihaven’tstartedyetbecauseI’mnotsurehowtomakeit.“____________________________________________________________________”----Hasitarrivedyet?“__________________________”----Yes,ithasarrivedalready.“____________________”1)辨析：yet/alreadyyet用于否定句和疑问句句末。否定句中not…yet意为“还没”；疑问句中用于询问某事是否已经发生。already用于肯定句，意为“已经”，位于句首或句末。already,just,yet选词填空：----Haveyoufinishedyourreport________,Jim?----Yes,Ifinisheditlastnight.Tonyhas________beeninChinafornearlytwoyears.Wetalkedonthephonebutwehaven’tseeneachother________.----MayIspeaktoLingling,please?----Sorry,shehas________goneout.2)辨析arrive/get/reach“到达”词性固定结构arrive不及物动词arrivein+地点名词（大）arriveat+地点名词（小）arrive/get+地点副词(如here/there/home)getgetto+地点名词reach及物动词reach+地点名词牛刀小试：一句多译：每天我们在七点半前到校。________________________________________________________________________________________________________________________________________________________________________________________________你什么时候到这里的呢？________________________________________________________________________________________________________________________________4.Haveyouheardthelatestnews?“__________________________________________”1)辨析late/later/latest/lately：late形容词“晚的；迟的”副词“晚地；迟地”later形容词“后来的；随后的”“更晚的；更迟的”副词“后来；随后”“更晚；更迟”（“一段时间+later”表示“……之后”）latest形容词“最新的；最近的”“最晚的；最迟的”副词“最晚；最迟”lately副词“近来；最近”牛刀小试：选词填空：late/later/latest/latelyTheyarrived_________becauseofheavytraffic.TomleftBeijing,butthreeweeks_________,hereturned.Stayathomeandwait.I’llcallyou_________.Therearemanymagazineshere,andthisisthe_________one.Thepriceofhouseshasrisenalot_________.2)辨析：news/message/informationnews不可数名词，“新闻；消息”，指广播、电视、报纸、网络等发布的新闻、消息message可数名词，“信息”，指口头传递或书写的音信，如手机短信、聊天消息、邮件信息等information不可数名词，“信息”，指通过阅读、谈话、观察等获取的消息、资料等牛刀小试：选词填空news/message/informationTonylefta___________beforegoingout.Haveyougotany__________aboutMaYingjiuontheradio?WiththehelpoftheInternet,wecangetquitealotof____________inashorttime.5.HavetheydiscoveredlifeonMars?“____________________________________”辨析：discover/lookfor/find/findout“发现”词义对象discover“发现；找到”发现客观存在但不为人知的事物lookfor“寻找”强调寻找的过程find“发现；找到”“发觉”强调寻找的结果和能力，或指内心感受的“发觉”findout“查明；弄清”强调经过一番努力或询问而查明事实或弄清真相牛刀小试：选词填空：discover/lookfor/find/findoutMywalletwaslost.I’ve_________itforalongtime,butIstillcan’t_________it.Wethoughtaboutthequestionforlong.Intheend,we_________whatwaswrong.Columbus__________Americain1492.6.LotsofscientistsareworkinghardinordertosendastronautstoMarsoneday.“_____________________________________________________________________”inordertodosth.“________________”，作目的状语，相当于不定式todosth.，可放在句首也可放在句末。否定式inordernottodosth.相当于表目的的不定式nottodosth.“________________”。牛刀小试：翻译句子：_____________________________________________________________________为了提高阅读，我们尽量多看书。_____________________________________________________________________为了上学不迟到，我很早就起了床。拓展：inorderthat+句子“以便……；为了……”也在句中作目的状语，相当于表目的的sothat+句子。inorderthat/sothat引导的目的状语从句常与情态动词can/could连用。牛刀小试：翻译句子：_____________________________________________________________________为了提高阅读，我们尽量多看书。_____________________________________________________________________为了不让妈妈担心，玲玲给妈妈打了电话。（三）语法要点探究1.全班核对预习作业中在课本对话中勾画的现在完成时句子及其谓语部分2.总结：现在完成时的肯定句及一般疑问句句式：肯定句：___________________________________________________一般疑问句：_______________________________________________肯定回答：_______________________________________________否定回答：_______________________________________________3.现在完成时的句子中可搭配某些副词，如_____“已经”/______“刚刚”/______“尚；还”，其中__________用于肯定句，______用于否定句或疑问句。四、当堂检测（一）根据首字母提示写单词1.Isthereanyn__________abouttheaccidentintoday’snewspaper?2.Lisaisinthereadingroom.Ihavej__________seenherthere.3.Ihaveam__________car.Itlookslikearealone.4.----Haveyoureturnedthebooktothelibraryy_________?----No,Ihaven’t.ButIhavea__________finishedit.5.YangLiweiisafamousChinesea__________.（二）单项选择1.Thetrainhasnot__________Beijing.Itwill__________soon.A.arrived;arriveB.reach;reachC.arrived;reachD.reached;arrive2.Myclockdidn’twork.Thatis________Igotuplatethismorning.A.whenB.whyC.howD.where3.----ThebookAlice’sAdventuresinWonderlandissoexciting.Ihavereadittwice________.----Oh,really?Ihaven’treadit_______.A.just;yetB.just;alreadyC.already;yetD.yet;already4.Haveyousearchedforany__________aboutourreport?A.messages B.information C.news D.letters5.Peterisworkinghard________hecangetgoodscoresinthefinalexam.A.inorderto B.inorderthat C.to D.as6.Peoplehave________quitealotaboutthemselves.A.foundB.lookedfor C.discovered D.foundout7.The_________iPhoneisalwayspopularamongyoungpeople.A.late B.later C.latest D.lately8.----_____________________?----I’mpreparingformyfinalexam.A.Whatareyougoingtodo B.WhatareyouuptoC.Whathaveyou