九年级英语LifeonMars教案。
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Unit1LifeonMars
一、基础词汇
(n.)
1.头盔2.机器人3.形式
4.药片5.网络6.吉他
7.太阳镜8.帐篷9.行星
10.交通工具11.力量12.速度
13.人类14.科学家15.移居者
16.宇宙飞船17.药18.恒星
19.任务20.箱21.味觉
22.质量23.能量24.背包
25.宇航员
(v.)
1.想象2.开发3.漂浮
4.连接5.呼吸6.系，扎
7.描述8.放松9.比较_____________
(adj.)
1.拥挤的2.被污染的3.确定的
4.流行的5.令人愉快的6.各种各样的
7.干的8.正常的9.公共的
(adv.)
1.专门地2.怀着希望地
二、重点词组
1.难以想象
2.到2100年
3.目前
4.变得越来越拥挤，污染
5.以光速的一半
6.对早期的定居者来说是一个问题
7.八分之三的
8.使许多人感觉不舒服
9.漂浮在太空
10.在许多方面
11.和……连接
12.以……的形式
三、句型结构
1.Ourownplanet,Earthisbecomingmoreandmorecrowdedandpolluted.
(moreandmore越来越……)
1)南京正变得越来越美。
Nanjing_______.
2)这种长筒靴可能会变得越来越时髦。
Thebootswillprobablybecome.
2.Therewillbemanydifferentdesignsforsettlerstochoosefrom.
(注意动词后面的介词)
我不知道我有问题的时候和谁谈谈。
Idon’tknowwhomIcan____whenIhaveproblems.
3.OurspacecraftaretooslowtocarrylargenumbersofpeopletoMars.
(注意alargenumberof和thenumberof的区别)
1）我们学校学生的数量有2300人。
_____thestudentsinourschool2300.
2)我们学校图书馆有大量的书。
Thereare__booksinourschoollibrary.
四、难点语法
1.情态动词can,could,may,might的用法
can用于问候朋友；could用于问候老师和成年人；may用于问候陌生人和你尊敬的人，显得正式而有礼貌；might用于非常有礼貌的场合，很少用。
1)---爸爸，我能用你的照相机吗？
---可以。
Dad,Iuseyourcamera?
Yes,you.
2)Daniel,我能借你的字典吗？
Daniel,Iborrowyourdictionary?
2.用that引导宾语从句。
注意：1）that可省略；2）时态一致；3）从句是客观真理的情况。
IknowhehasbeentoBeijingseveraltimes.
Theteachertoldusthattheearthgoesroundthesun.
3.用if或whether引导宾语从句。
注意：1）if/whether的不同用法；2）时态一致；3）陈述句的语序
将下列句子合并为含有宾语从句的主从复合句。
1)Marshastwomoons.Theteachertoldthestudents.
Theteachertoldthestudents______________________________twomoons.
2)“HaveyoueverbeentoBeijing?Mycousinaskedme.
Mycousinaskedme___________________________everbeentoBeijing.
3)Hewillfinishthetaskintwodays.Hesaid.
Hesaid_____________________________finishthetaskintwodays.
4)DoesittakeverylongtotravelfromEarthtoMars?Doyouknow?
Doyouknow________________________________verylongtotravelfromEarthtoMars?
5)WillLucycometomorroworwillshenotcome?Iamwondering.
Iamwondering______________________________________________________tomorrow.
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Unit1lifeonMars
Unit1lifeonMars
MainTask
第一部分简要提示
一、年级：九年级
二、教学内容：9BUnit1LifeonMars
三、课型：中心任务课
四、教学目标
1知识目标
学会和掌握流程图的制作方法,为写作做准备。
2能力目标
1)能根据主题设计流程图。
2)能根据流程图写一篇文章。
五、教学重难点
1重点指导学生根据主题来选取写作所需信息，设计写作流程图。
2难点指导学生如何将流程图列出的信息扩展成文。
第二部分教学流程
用时：20分钟
Step1Lead-in用时：分钟
（出境）
T:Hello,everyone.Nicetoseeyouagain.TodaywearegoingtolearnMainTask.(大家好，很高兴又和大家见面了！今天我们一起来学习中心任务部分)。DanielwantstomakeaguidetolivingonMarsin2100，butheneedshelp.Beforewehelphimwiththeguide,letmeremindyouoftheinformationwe’veknownaboutMars.(Daniel梦想着有一天搬去火星。现在他想做一份2100年到火星上生活的指南.在我们帮助他一起做指南之前，让我们一起来回顾一下所学火星的信息。)(PPT)
Step2用时：分钟
T:Boysandgirls,we’velearnedalotaboutMars.Canyousaysomethingaboutitaccordingtothekeywords?Let’sstart.
TaskOneHowmuchdoyourememberaboutMars?(PPT)
1Temperature:-133℃--27℃
2Color:red
3Moons:Phobos,Deimos
4Size:aboutone-halfthediametreofEarth
5Location:betweenEarthandJupiter
6DistancefromtheSun:142,000,000milesaway
7OneyearonMars:687Earthdays
8Surface:alittlelikethesurfaceofEarth
9Atmosphere:95%carbondioxide
T:Fromthereadingwe’veknownthatlifeonMarsisverydifferentfromthatonEarth.AnddoyoustillrememberwhatchangesmaybringtolifeonMars?Saysomethingabouteachkeywords.Let’sseewhohasagoodmemory.
TaskTwoAboutlifeonMars(PPT)
1Transport:spaceshuttlesinsteadofspacecraft…
2Food,water,air:developplantstoproduce…
3Gravity:three-eighthsofthatonEarth,flyawayintospacespecialboots…
4.Home:inadomewithtenbedroomsandrobotsdomostwork…
5.School:onlineschools,e-teacher,computersconnectedtointerplanetarynetwork…
T:Somanypeoplethinkit’sbettertomoveonMarsbecausetherearesomanyadvantages.,buttherearesomedisadvantagestoo.Canyouhelpmeaboutthetwosidesagain.
TaskThreeAdvantagesanddisadvantagesoflivingonMars.(PPT)
Advantages
※It’snotcrowdedorpolluted.
※Thetransportismoreconvenient.
※Peoplewillwearfashionableboots.
※Peoplewillhavemorespace.
※Robotswilldomostofourwork.
※We’llhavemoretimeforhobbies.
※Studentswillstudyinonlineschools.
Disadvantages
※Lowgravitywillbedangerous.
※Fooddoesnottastegood.
※Spacetravelmakepeoplefeelill/sick.
※It’stoocoldtostayoutside.
※It’stoofarawayfromfriendsonEarth.
T:Itseemsthattherearemoreadvantagesthandisadvantages.Solet’sdoasurvey:HowmanyofyouwouldliketomovetoMars?Showmeyourhandsifyouwantto.
TaskFourDoasurveyaboutmovingtoMars.(PPT)
PercentageofstudentswhowanttomovetoMars:____?_____%
T:Fine.Danielwantstomovetheretoo.AndhemadeaflowchartaboutMars.Let’sfindouthowhedidit.
T:DanielhasalottothinkaboutbeforemovingtoMars.Heimaginesthatshopping,animals,money,freetimeandtransportonMarsaredifferentandinteresting.
TaskFiveImaginewhatwilllifebelikeonMars(PPT)
1Shopping
2Food
3Weather
4Money
5Clothes
6Transport
7School
8House
9Animals
10Freetime
T:HerearefivedifferencesthathemayfindaboutlifeonMars:transport;shopping;money;animalsandfreetime.
TaskSixMatchDaniel’sideasaboutlivingonMarswithdifferentsubjects.(PPT)
1.Carsfloatintheair
2.Keepthemawaywithlaserlight
3.Low-gravitybasketballgame
4.Manyonlinetheatres
5.Noairpollutioncausedbytraffic
6.PlanetMarsBank
7.Spacefashionandfoodshop
8.ThingsfromEartharehardtofind
9.Usuallyfriendly
10.Visitthetwomoons
(subjects:Animals,Transport,Freetime,shopping,money)
T:OK.Let’schecktheanswersonpage19together.
T:Usetheinformationintheflowcharttofinishtheexercisesonpage20ofSB.Nowlet’schecktheanswers.(PPT)
Keys
1friendly2angry3laserlight4PlanetMarsBank
5online6twomoons7low-gravitybasketball8shoppingmalls
9spacefashions10hardtofind11comfortable12neverlate
13noairpollution14floatsintheair
T:Congratulations,yougotalltherightanswers.
T:Well,Danielhasfinishedhisflowchartandhiswriting.Let’strytomakeourown.(Daniel完成了他的流程图和书面表达,让我们来做自己的吧.)///
T:Firstly,choosetheplanetyoulike;secondlydecidehowmanysubjectsyouwouldliketotalkabout;thirdlysearchtheinformationabouteachsubject;thenarrangealltheinformationwell,lastly,makeyourownflowchartandwriteanarticleaboutyourflowchart.(第一选择你喜欢的星球；第二决定你要谈论的几个话题；搜索关于每个话题的信息；合理安排这些信息，最后制作你的流程图并把它写成文章。)
TaskSevenMyownimaginationaboutlivingonanotherplanet(PPT)
T:Herearesomesubjectsyoumaychoosetomakeaflowchart.Youmaychoosesomeoruseyourownideas.(PPT)
1Shopping
2Food
3Weather
4Money
5Clothes
6Transport
7School
8House
9Animals
10Freetime
StepEightMakinganotherflowchartandwritetheguide(PPT)
T:That’smyflowchart.It’scolorful,isn’tit?
T:Here’smysampleofthebeginningofanotherguide.Ifyoudon’thaveenoughtotalkaboutyoursubjects,youmaysearchtheInternetformoreinformationyouwant.Usethesearchengine‘baidu’or‘google’.(这是我写的指南的开头一段。如果你找不到有关主题的足够信息，你可以用“Baidu”或“Ｇoogle”搜索引擎去搜索你想要的信息)
Sample:(PPT)
WhenwearriveonMars,we’llfindlifethereisverydifferentfromthatonEarth.TheguidedescribeswhatlifeonMarswillbelike.
Firstofall,scientistswilldiscoverawaytobuildspacesuitsandspacehomesthatwillkeepussafefromthecoldness(-133℃)atnightandlowgravity.Itwillbesimilartoourairconditioning,exceptweusethepowerforourelectricity.
…
小结
今天我们学习了流程图的制作，训练了采集与主题相关的信息并整理成文的能力。希望同学在写作时利用网络、课本等各种资源积累资料并合理使用。
Homework
1ReadtheguidetolivingonMarsaloud.
2MakeaflowchartaboutanotherguidetolivingonMarsyourself.
3Finishwritingyourguide.
说明
本课时是9BUnit1的Maintask。其任务是以流程图形式给学生提供写作的语言信息。培养学生整理归纳并运用信息的能力,并运用于写作。同时教师应鼓励学生展开丰富的想象,鼓励他们通过上网或到图书馆查阅资料等多种方式搜集相关信息,并注意写作时材料的科学性。
Unit1LifeOnMars教案
每个老师不可缺少的课件是教案课件，规划教案课件的时刻悄悄来临了。需要我们认真规划教案课件工作计划，这样我们接下来的工作才会更加好！你们会写适合教案课件的范文吗？请您阅读小编辑为您编辑整理的《Unit1LifeOnMars教案》，欢迎大家阅读，希望对大家有所帮助。
Unit1LifeOnMars教案
Grammar
二、教学内容：9BUnit1LifeonMars
三、课型：Grammar
四、教学目标
1.知识目标
1)掌握can,could和may,might的用法。
2)掌握that,if或whether引导的宾语从句的用法。
2.能力目标
1)能够运用can,could和may,might来具体表示请求或给予许可。
2)能够运用that,if和whether引导的宾语从句转述信息。
五、教学重难点
1.重点:
1)can,could和may,might的礼貌程度上的区别。
2)宾语从句that,if/whether的构成及用法。
2.难点:
if或whether引导的宾语从句的语序。
第二部分教学流程
用时：18分钟
Step1Lead-in用时：分钟
(出镜)
T:Hello,everyone!Gladtoseeyouagain.Todaywearegoingtolearn’can,could,may,might’andtheobjectclausesintroducedby‘that‘,‘if/whether’.
(大家好！很高兴又和大家见面了！今天我们一起来学习can,could,may,might的用法和that,if/whether引导的宾语从句.)
T:Firstlet’slookatGrammarAandlearnhowtouse‘can,could,may,might‘.
Step2GrammarAUsing‘can’,‘could’,‘may’,‘might’(PPT)
T：Nowhe’saskingotherpeopleforpermission.Lookatthequestionsandpayattentiontothemodelverbsheuseswhenhewantstoaskforpermissionfromdifferentpeople.(PPT)
Kitty,canIborrowyourdictionary?
Mr.Green,couldIaskyousomequestionsplease?
Excuseme,sir.MayIhavealookatthenameofyourbook?
T:Canyoutellmethedifferencesbetweenthethreesentences:(PPT)
T:---Inthe1stsentence,///Simonuses‘can’toaskhisfriendKittyaquestionbecauseit’sinformal.‘can’isalwaysusedwithfriends.(在第一句中,Simon用情态动词’can’提问他朋友Kitty，因为这通常用于朋友之间的非正式场合。)
---Inthe2ndsentence,///Simonuses“could’toaskhisteacherMr.Wuaquestionbecauseit’sformal.“could”isalwaysusedwithteachersorotheradults.(在第二句中，Simon用情态动词’could’提问他老师’MrWu’，因为这通常用于教师和其他成年人之间的正式场合。)
---inthe3rdsentence,///Simonuses“may’toaskastrangeraquestionbecauseit’sformalandpolite.“may”isalwaysusedwithstrangersandpeopleyourespect.(在第三句中，Simon用情态动词’may’提问陌生人，因为这通常用于陌生人和你尊重的人之间的正式而礼貌的场合。)
---Herepaymoreattentionto“might”.Mightisveryformalandit’sverypolitebutrarelyused.
(注意：‘might’的用法既正式又礼貌，但是实际生活中很少使用。)
eg:MightIuseyourcomputer,Mr.Wu?
※Theyallexpresspermission.（他们都用于表示请求和允许。）
T:OK.Let’sdosomeexercises.(PPT)
T:Let’schecktheanswers.
1Dad,couldItakeyourcamera?
Yes,youcan.(It’sformal.)
2MayIborrowthishelmet,madam?
No,youmaynot.(It’sformalandpolite.)
3CanIborrowyourboots,Mike?
Yes,youcan.(It’sinformal.)
T:Canyougivemetheanswerstothesequestionsabout‘can,could,may,might’?(PPT)
1Can/Couldyougotothezootomorrow?
----Wecananswer:--Yes,youcan.orNo,youcannot/can’t.
2May/MightIuseyourcomputer,MrWu?
----Wecananswer:--Yes,youmay.orNo,youmaynot/can’t.
T:Here‘could,might’donotmean‘thepasttense’,butmean‘morepolite’.
(这儿的“could,might“不是表示过去时，而是表示更委婉的语气。)
T:Nowpleasewritesentencestoaskforpermissioninthefollowingsituations.(PPT)
lookatthe1stSituation
IfyouareonabusandthepersoninfrontofyouhasthewindowopenandItstartstorainandyou’regettingwet.Howdoyouaskhimforpermission?
---Wecanask:MayIclosethewindow?Becauseit’sformalandpolitetouse‘may’whenweaskastrangeronthebusforpermission.
T:Lookatthe2ndSituation
IfyourcousiniswatchingaboringprogrammeonTV.Whatdoyousaytoaskhertochangethechannel.
T:Wecansay:----CanIchangethechannel?Becauseit’sinformaltouse‘can’toaskfriendsforpermission.
T:Lookatthe3rdSituation
Ifyouruncleandaunthaveinvitedyoutojointheminawalkintheparkandyouwanttotakeyourdogwithyou.///
Whatdoyousaythen?
--That’sright.Wecansay:‘CouldIbringmydog?’Becauseit’sformaltouse‘could’toaskadultsforpermission.
Step3TheObjectclausesintroducedby‘that’
T:LookatGrammarB.Let’slearn‘that‘clause(下面我们来学习that引导的宾语从句。)(PPT)
1)Earthisbecomingmoreandmorecrowdedandpolluted.
WhatdoesDanielthink?
---DanielthinksthatEarthisbecomingmoreandmorecrowdedandpolluted.
2)PeoplewillliveontheplanetMarsbytheyear2100.
WhatdoesDanielthink?
---Good.DanielthinksthatpeoplewillliveontheplanetMarsbytheyear2100.
3)Therobotwilldomostofthework.
WhatdoesDanielthink?
---Yes,Danielthinksthattherobotwilldomostofthework.
T:Nowcanyouputthesetwosentenceswith‘that’?
T:Let’sdosomeexercises.…Haveyoufinished?Nowlet’schecktheanswers.
1)He’llbebackinamonth.
(Ihear…)
--Ihear(that)hewillbebackinamonth.
2)IhavebeentotheGreatWallonce.
(Hetellsme…)
--Hetellsme(that)hehasbeentotheGreatWallonce.
T:OK.CanyoufindouttherulesaboutObjectclausesintroducedby‘that’?(PPT)
(那么你能总结-that连接的宾语从句的规则吗?)
Tips
1Wecanuse‘that’clausetoreplaceanobjectaftertheverbinasentence.（我们可以用that从句来代替一个宾语连接跟在动词后面做宾语。）
2Thewordorderintheobjectclauseisjustthesameasthatinthestatement.（从句中语序保持不变。）
3Sometimeswecanleavetheconnective“that”outintheobjectclause.
（有时连接词that也可以省略不用。）
T:Itseemsterriblyeasyforyou,right?Let’sdomorepractice.Canyoujointhefollowingsentenceswithobjectclausesintroducedby‘that’?(PPT)
1)Peoplethink…
HumansonMarshavetowearspecialbootstomakethemselvesheavier.
--PeoplethinkthathumansonMarshavetowearspecialbootstomakethemselvesheavier.
2)Somescientistsdon’tbelieve…
ThejourneytoMarswillbeverycomfortable.
--Somescientistsdon’tbelievethatthejourneytoMarswillbeverycomfortable.
T:Canyoufindouttheobjectclausesinthefollowingsentences.Writean“O“foranobjectclauseandan“N”forasentencewithoutone.(PPT)
(你能在下列句中找出宾语从句吗?是的话用O表示,不是的用N)
1)Theseplantswillproducefoodandoxygenthatweneed.
2)ScientistsshouldbeabletodevelopplantsthatgrowonMars.
3)PeoplethinkthathumansonMarshavetowearspecialbootstomakethemselvesheavier.
4)WeallknowthatMarsisaplanetinthesolarsystem.
5)ThejourneytoMarscouldtakeonlyaveryshorttimeinspaceshuttlesthattravelathalfthespeedoflight.
6)SomescientistsdonotbelievethatthejourneytoMarswillbeverycomfortable.
T:Let’schecktheanswerstogethernow.
1)Theseplantswillproducefoodandoxygenthatweneed.
---Here‘thatweneed’isnotanobjectclausebecauseit’snotafteraverb.Soit’sN.
（在这句中‘thatweneed’不是宾语从句，因为它不在动词后面。）
2)ScientistsshouldbeabletodevelopplantsthatgrowonMars.
---Here‘thatgrowonMars’isnotanobjectclausebecauseit’snotafteraverb.Soit’sN.
（在这句中‘thatgrowonMars’不是宾语从句，因为它不在动词后面。）
3)PeoplethinkthathumansonMarshavetowearspecialbootstomakethemselvesheavier.
---Here‘thathumansonMarshavetowearspecialbootstomakethemselvesheavier’isanobjectclauseaftertheverb“think.Soit’sO.
（在这句中‘thathumansonMarshavetowearspecialbootstomakethemselvesheavier’是宾语从句，因为它在动词“think’后面。）
4)WeallknowthatMarsisaplanetinthesolarsystem.
---Here‘thatMarsisaplanetinthesolarsystem’isanobjectclausebecauseit’saftertheverb‘know’.Soit’sO.
（在这句中’thatMarsisaplanetinthesolarsystem’是宾语从句，因为它在动词后面‘know’。）
5)ThejourneytoMarscouldtakeonlyaveryshorttimeinspaceshuttlesthattravelathalfthespeedoflight.
---Here‘thattravelathalfthespeedoflight’isnotanobjectclausebecauseit’snotafteraverb.Soit’sO.
（在这句中‘thattravelathalfthespeedoflight’不是宾语从句，因为它不在动词后面。）
6)SomescientistsdonotbelievethatthejourneytoMarswillbeverycomfortable.
---Here‘thatthejourneytoMarswillbeverycomfortable’isanobjectclausebecauseit’saftertheverb‘believe’.Soit’sO.
（在这句中‘thatthejourneytoMarswillbeverycomfortable’是宾语从句，因为它在动词‘believe’后面。）
Step4TheObjectclausesintroducedby‘if‘or‘whether’(PPT)
T:Nowlet’slearntheObjectclausesintroducedby‘if‘or‘whether’.
T:DanielhaslearnedalotaboutlivingonMars.Buthe’sstillworryingaboutsomething.Lookathisworries.
1)Couldtheplantsproduceenoughwater?
---Danielisnotsureif/whethertheplanetscouldproduceenoughwater.
2)ArethereanyaliensonMars?
----Danielisnotsureif/whetherthereareanyaliensonMars.
3)AreanimalsonMarsdangerous?
---Danielisnotsureif/whetheranimalsonMarsdangerous.
T:Let’sdomorepracticetogether.(PPT)
1)Doesheliveinthathouse?(Sheasksme…)
---Sheasksmeif/whetherhelivesinthathouse.
2)Haveyoufinishedyourhomework?(Iwanttoknow…)
----Iwanttoknowif/whetheryouhavefinishedyourhomework.
T:Canyouworkouttherulesyourselves?(PPT)
Tips
1Wecanuse‘if’or‘whether’tointroduceanobjectclausewhenitexpressesa‘yes/no’question.(我们可以用‘if’或‘whether’引导一般疑问句。)
2Thewordorderintheobjectclauseisjustthesameasthatinthestatement.(宾语从句应该用陈述语序。）
T：Boysandgirls,pleaselookatsomeotherexercises----putthetwopartsintotheobjectclausesusing‘if’or‘whether’?(PPT)
1)WilltransportonMarsbemuchbetterthanonEarth?
Areyoucertain________________________________?
2)IsgravityaproblemfortheearlysettlersonMars?
Canyoutellme________________________________?
3)DoesittakeverylongtotravelfromEarthtoMars?
Doyouknow__________________________________?
4)AremanypeoplegoingtomovetoMars?
Canyoutellme_________________________________?
5)DidtheUSAsendaspacerobotontoMarslastyear?
Doyouknow__________________________________?
Keys:
1Areyoucertainif/whethertransportonMarswillbemuchbetterthanonEarth?
2Canyoutellmeif/whethergravityisaproblemfortheearlysettlersonMars
3Doyouknowif/whetherittakesverylongtotravelfromEarthtoMars
4Canyoutellmeif/whethermanypeoplearegoingtomovetoMars
5Doyouknowif/whethertheUSAsentaspacerobotontoMarslastyear
T:Nowwe’velearnedabouttheobjectclausesintroducedby‘that’andtheobjectclausesintroducedby‘if’or‘whether’.Canyoutellthemapartifyouareaskedtousetheminanarticle?TrytohelpDanielcompletethediaryusing‘that’,‘if’or‘whether’(PPT)
DearDiary
Doyoubelieve_____manwillbeabletoliveontheplanetMarsinthefuture?Scientistsareworkinghardtomakethisdreambecometrue.However,theyarestillnotsure_________wecouldgrowplantsonMars.Alsomanyscientiststhink____gravityisaproblemtothefirstsettlers.Theyallagree_____thejourneytoMarswillnotbecomfortable.ThereforeIamwondering__________therewillbemanypeoplewillingtomovetoMars.
T:Haveyoufinishedyet?Couldyoutellmetheanswers?
Keys:1that2if/whether3that4that5if/whether
(出镜)
小结
T:同学们,今天我们一起学习了用情态动词can,could,may和might表示请求或允许,以及由that,if/whether引导的宾语从句。请同学们课后加强训练并正确运用。
T:Goodbye,everyone.Seeyounexttime.
Homework
1Rememberthedifferentdegreesofformality‘can’,‘could’,‘may’and‘might’.
2Rememberhowtouseobjectclausesintroducedby‘that’,’if’or‘whether’.
3Finishofftheadditionalexercises.
Additionalexercises
AMultipleChoice
1--MayIgosurfingalonethisafternoon?
---No,you______,itisdangerous.
AmaynotBcan’tCneedn’tDdon’t
2–CouldIborrowyourdictionary?
---Yes,ofcourseyou________.
AmustBneedCcanDwill
3-–Canyoucometomyhouseforsupper?
---________.
ANo,Ican’tBIthinkso
CSure,I’dlovetoDIhopeIcan
BJointhefollowingsentenceswithobjectclausesintroducedby‘that’,’if’or‘whether’.
1.Webelieve...Wewillwin.
2.Ithink…Heisanhonestman.
3.Iwonder…Doeshestudyhard?
4.Couldyoutellme…?Willitrain?
5.Iwanttoknow…DoyoucomefromEngland?
6.Idon’tknow…Helivesonthesamestreet.
Keystoadditionalexercises:
A1B2C3C
B
1Webelievethatwewillwin.
2Ithinkthatheisanhonestman.
3Iwonderif/whetherhestudieshard.
4Couldyoutellmeif/whetheritwillrain?
5Iwanttoknowif/whetheryoucomefromEngland.
6Idon’tknowthathelivesonthesamestreet.
说 明
本课时是9BUnit1的Grammar。其中两个语法板块分别介绍了情态动词can，could,may,might的用法以及that和if/whether引导的宾语从句。教师可以设置合适的语言情境来导入这两部分的语法教学。同时结合本单元主题LifeonMars，引导学生通过想象，在特定的情景中来操练、巩固这两部分语法内容。
Unit1LifeonMars-
Unit1LifeonMars
一.教学内容：
Unit1LifeonMars
二.教学目标：
本单元重点词汇、短语和语言点知识
9BUnit1
一、重点单词
机器人n.robot
片剂，药片n.pill
网，网络n.net
吉他n.guitar
太阳镜n.sunglasses
帐篷n.tent
储藏，存储v.store
表面n.surface
干缩的，干的adj.dried
想象，设想v.imagine
拥挤的adj.crowded
被污染的adj.polluted
可以指望；怀希望地adv.hopefully
宇宙飞船n.spacecraft
航天飞机n.spaceshuttle
人；人的n.adj.human
发展v.develop
移居者n.settler
流行的，时髦的adj.fashionable
各种各样的，不同的adj.various
巩固练习：
1.Insummertravelersweartheirs______________________becauseofthebrightsunshine.
2.H_____________________,wecanbuildabetterworldonMars.
3.Myfriendismusical.Heisgoodatplayingtheg____________.
4.Whenyouareill,youshouldtakep___________________ontime.
5.It’sgreatthatr________________doalltheworkforus.
6.Ifyougocamping,youshouldtakeat________________withyou.
7.Fishingn________________isuselessonthemoon.
8.LastsummerholidayIwenttoBeijingandItooklotsofphotoswithmyc______________
9.Scientistsshouldd________plantsthatcangrowonMars.
10.Thebootswillprobablybecomef_________.
二、重点短语
1、与某人相处得好getonwellwithsb.
2、认识某人gettoknowsb
3、被照顾becaredfor
4、使我不开心makemeunhappy
5、三副太阳镜threepairsofsunglasses
6、避免漂浮preventfloating
7、连接到氧气罐beconnectedtotheairtank
8、在星球的表面onthesurfaceoftheplanet
9、到2100年为止bytheyear2100
10、越来越拥挤和受到污染moreandmorecrowdedandpolluted
11、3/8的引力three-eighthsofthegravity
12、运送大量的人carrylargenumbersofpeople
13、飘进太空floatawayintospace
14、不同的设计供定居者选择differentdesignsforsettlerstochoosefrom
三、课文结构和语言点知识
Paragraph1:WhywemovetoMars?
1.MovingtoMars（L.1）
move:
①moveto搬家，搬迁
他家去年搬到加拿大去了。
Hisfamily__________________________Canadalastyear.
他们正准备搬到北京。
Theyare__________________________Beijing.
②move用作动词，可以表示“移动，前进，走棋”。
Don’tmove!
该你走棋了。
It’syourturn_____________________!
③move用作动词还可以表示“使感动；打动”。
我被这部电影深深地打动了。
I________deeply___________bythefilm.
2.Atthemomentitmaybedifficulttoimagine,butmanypeoplebelievethat,bytheyear2100,wewillliveontheplanetMars.（L.2）
①maybe可能是 情态动词may＋动词原形
这可能是一本好书。
Thismaybeagoodbook.
火星上可能有空气。
TheremaybeaironMars.
maybe副词＝probably，修饰动词、句子。
Maybethisisagoodbook.
MaybethereisaironMars.
②It’s＋adj.＋（forsb.）todosth.
对我们来说学好英语很有必要。
It’snecessaryforustolearnEnglishwell.
③imaginev.（adj.）imaginative（n.）imagination
你能想象没有电脑的生活吗？
Canyouimaginelifewithoutcomputers?
想象一下生活在月球。
Imaginelivingonthemoon.
想象一下火星上的生活可能是什么样。
Imaginewhatlifecouldbelikeonthemars.
3.Ourownplanet,Earth,isbecomingmoreandmorecrowdedandpolluted.（L.3-4）
①moreandmore越来越多
越来越多的人/污染
moreandmorepeople/moreandmorepollution
越来越少（不可数）
lessandless
越来越少（可数）
fewerandfewer
②比较级＋比较级：“越来越”
越来越容易/越来越强大
easierandeasier/strongerandstronger
越来越拥挤/越来越受到污染
moreandmorecrowded/moreandmorepolluted
4.Hopefully,wecanstartagainandbuildabetterworld.（L.5）
n./v.hopeadj.hopefuladv.hopefully
无论我们身在何地，都不能失去希望。
Whereverweare,weshouldnotloseour______________.
充满希望
befullofhope:behopeful
他有希望赢得第一名。
Heis_______________togetthefirstprize.
______________________,hewillwinthefirstprize.
5.Hereiswhatlifemightbelike.（L.6）
宾语从句：主前动后是语序。
这部电影展示了老北京的样子。
ThisfilmshowswhatoldBeijingwaslike.
你能告诉我他住哪里吗？
Canyoutellmewherehelives?
Paragraph2:TransportonMars
1.Firstofall,thetransportshouldbemuchbetter.（L.7）
①firstofall首先（最为重要的是）
首先把所有单词记住。
Firstofall,rememberallthewords.
atfirst起先，开始。
Atfirst,IfindEnglishabitdifficult.
②muchbetter
much＋比较级表示程度
我的头发比她的长很多。
Myhairismuchlongerthanhers.
Heis_________busy____helpme.
A.somuch,thatB.muchtoo,toC.toomuch,toD.somuch,to
修饰比较级的副词：
even,far,alot,alittle,abit
2.OurspacecraftaretooslowtocarrylargenumbersofpeopletoMars.（L.7-8）
①spacecraft复数__________________________
Chinese,Japanese,spacecraft,fish,sheep,deer（单复数同形）
②too…to太……以致于不能……
Sheistooyoungtolookafterherself.
“too…to”结构可以转换成“so…that…”或“not＋形容词＋enough”句型。
Thelittleboyistooshorttoreachtheapple.
Theboyis__________short____________hecan’treachtheapple.
Theboyisn’t_______________________________________reachtheapple.
③largenumbersof许多的，大量的
＝a（large）numberof＝a（great）numberof
很多树
largenumbersoftrees
thenumberof………的数量
学生的数量
thenumberofthestudents
3.Thejourneymighttakeonlyaveryshorttimeinspaceshuttlesthattravelathalfthespeedoflight.（L.9-11）
①比较:旅行journey,travel,tour,trip,voyage
②take在这儿表示“花时间”.
Ittakes（took）sb.sometimetodosth.
同意短语:
sb.spendtime/money（in）doingsth./onsth.
她每天花半小时练习跳舞。
It______________herhalfanhour___________________________dancing.
She______________halfanhour_____________________________dancing.
She______________halfanhour____________________________.
（sth.）costsb.money某物花了某人多少钱
③speedn.
atfull/topspeed以全速
atahigh/lowspeed
ataspeedof…以……的速度
以光速的一半的速度
athalfthespeedoflight
v.speeded（sped）
speedup加速
Paragraph3:food,waterandair
1.Humansneedfood,waterandairtosurvive.（L.12）
①humanahumanhumans
Germanswalkmanspoliceman
②need（行为动词）翻译成“必须”，“需要”
1）needsth.todosth.需要某物去做某事
我们需要一些水喝。
Weneedsomewatertodrink.
他们需要一些人去帮他们。
Theyneedsomepeopletohelpthem.
2）（不）需要做某事
（don’t）needtodosth.
我不需要思考这个问题。
Idon’tneedtothinkaboutthisquestion.
③need（情态动词）翻译成“必须”，“必要”
（不）必要做某事
need（not）dosth.
你不必担心。
Youneedn’tworry.
④need（名词）需要
theneedformoney
theneedtoimprovemyEnglish
peopleinneed
2.ScientistswilldevelopplantsthatcangrowonMars.（L.12）
developvi./vt.
工业在迅速发展。
Industryisdevelopingrapidly.
这个镇是由一个渔村发展起来的。
Thetowndevelopedfrom/outofafishingvillage.
Thefishingvillagedevelopedintoatown.
Hehasdevelopedthehabitofgettingupearly.
Thepioneersaredevelopingthewasteland.
developnaturalresources/solarenergy
Thephotowilllooknicewhentheyaredeveloped.
培养兴趣
________________________________________
3.However,nobodyisnotsureiftheseplantscanproduceenoughwater.（L.14-15）
besureof/about确信
Areyousureof/abouthiscomingintime?
besuretodo一定会，一定要
Sheissuretofindoutthetruthtonight.
makesure（of）确保
Hearrivedatthecinemaearlytomakesureofaseat.
Paragraph4:gravity
1.ThegravityonMarsisonlyaboutthree-eighthsofthegravityonEarth.（L.16）
分数的表达方法：分子用基数，分母用序数；分子大于一分母加“s”
三分之一
onethirdoneoutofthree
九分之二
twoninths
百分数
percent/percent
我们年级有五分之一的学生来自其他城市。
Onefifthofthestudentsinourgradearefromothercities.
70%的水来自于海洋。
70percentofthewaterisfromsea.
2.Topreventthis,humansonMarshavetowearspecialbootstomakethemselvesheavier.（L.19-20）
prevent（vt.及物动词）防止，预防
preventdiseases
使……不做某事，阻止……做某事
preventsb.fromdoingsth.
姚明的腿受伤了。这使他不能打篮球。
YaoMing’slegishurt.Thispreventshimfromplayingbasketball.
Paragraph5:life
ComparedwithlifeonEarth,lifeonMarswillbebetterinmanyways.（L.23）
1.过去分词作状语。过去分词与主句的主语是动宾关系，即过去分词与主语是被动关系。
（1）Theteachercameintoclassroomintothelab,followedbysomestudents.
句意为：老师进入教室，后面跟了一些学生。
teacher与followed形成被动关系
（2）Givenachance,Icansurprisetheworld.
巩固练习:
（1）____inthemountainsforaweek,thetwostudentswerefinallysavedbythelocalpolice.
A.HavinglostB.LostC.BeinglostD.Losing
（2）Theflowershisfriendgavehimwilldieunless（除非）______everyday.（2007四川高考）
A.wateredB.wateringC.waterD.towater
2.inmanyways在很多方面
bytheway顺便问一下
makeone’sway排除困难前进
inone’sway碍事，妨碍
onone’sway在去……的路上
inthisway用这种方法
Thesoldierscutawaythroughtheforest.
开出一条路
Thisway,please.
Manistryingtofindwaystostoppollution.
Paragraph6:study
Paragraph7:SomedisadvantagesonMars
