9b unit1 Reading.docx
- 文档编号:10212708
- 上传时间:2023-05-24
- 格式:DOCX
- 页数:19
- 大小:20.42KB
9b unit1 Reading.docx
《9b unit1 Reading.docx》由会员分享,可在线阅读,更多相关《9b unit1 Reading.docx(19页珍藏版)》请在冰点文库上搜索。
9bunit1Reading
课题
9BUnit1LifeonMarsReading
课型
新授课
教学目标
知识目标:
四会内容:
词汇:
imagineplanetcrowdedpollutedhopefullyhumandevelopsuresettlefloatfashionablevariouscompareforcevehiclestarpopulationenjoyablenormal
句型:
ManypeoplebelievethatwewillliveontheplanetMarsbytheyear2100.
However,nobodyissureiftheseplanetscanproduceenoughwater.
Manypeoplebelievethatrobotswilldomostofourworkandthatwewillhavemoretimeforourhobbies.
三会内容:
词汇:
spacecraftspaceshuttlegravitydomeinterplanetary
技能目标:
1、了解未来在另一个行星上生活的语境。
2、识别和理解有关火星生活的词汇。
3、识别并列出地球生活与火星生活的不同之处。
情感、态度、价值观:
培养学生的环保意识。
重点难点
了解火星地理、环境背景,获取一定的信息,完成课文理解以及书后练习。
学情分析
学生具备一定的地理以及环保的常识,但是独立理解科普以及科幻的文章还是有一定困难,需要教师先对课文背景知识进行讲解与引导,并帮助学生分析课文结构和大意。
教学方法
任务型教学
教具准备
多媒体课件
教学步骤
教师活动
学生活动
个性化设计
Step1Pre-reading
T:
Everyoneknowsthat China haslaunchedChang’eIintospace.That’sreallyexciting.ItcanhelpustoknowmoreaboutMoon.HaveyoueverthoughtoflivingonMoonorsomeotherplanets?
WeareusedtolivingonEarth,butsomepeoplearethinkingaboutmovingtootherplanets.Why?
Let’slookatsomepicturesfirst.(PPT)
1.Lead-in
T:
Whatcanyoufindfromthepictures?
—WhatproblemsdoesEarthhave?
T:
ThepicturesshowthatEarthhastwoproblems:
oneisthelargepopulation(It’scrowded),theotheristheseriouspollution(It’spolluted).
T:
NowEarthiscrowedandpolluted.Whatshallwedo?
Somescientistssaythereisabetterworld—Mars.(PPT)DoyouknowtheplanetMars?
AndbeforewestarttoreadthearticleMars.Let’shavealookatthesenewwordsfirst.
PresentthepictureofMarsandaspacecraft.
Say:
HowcanwetraveltoMars?
(wecantraveltoMarsbyspacecraft.)
Teach“spacecraft”
Say:
SpacecraftsaretooslowtotakesomanypeopletoMarsatthemoment.Butbytheyear2100,wecantraveltherebyspaceshuttles.Spaceshuttles
Presentapictureofspaceshuttles(PPT)
2.Pre-reading
T:
Boysandgirls,howmuchdoyouknowaboutMars?
Doyouitscolor,itssizeandsomeotherinformation?
NowletmeshowyoumyresearchonMars.(PPT)
1)ThecolorofMars:
red;
2)Thesize:
aboutone-halfthediameterofEarth;
3)Location:
It’sbetweenEarthandJupiterinoursolarsystem.
4)Itsmoons:
PhobosandDeimos
5)Surface:
ThesurfaceofMarsisalittlelikethesurfaceofEarth.
6)Temperature:
Thelowesttemperaturewillbe-133℃(degreescentigrade)andthehighestwillbe27℃(PPT)
T:
(Presentmorewordsandexpressions)Marsissuchaplanethowwillpeoplelivethere?
Thefirstsettlershavetowearspacesuitand hemet topreventlaserlight.Peoplecaneasilyfloatbecauseofthelow-gravity.Sotheywearspecialbootstomakethemselvesheavier.Peoplecanliveindomes.ItissaidthatMarswillturnintoanotherblueearthinthefuture.Ithinkpeoplecanlivemorecomfortablebythen.
T:
NowyouhavelearnedsomethingaboutMarsfrommyresearch.ButisthereanythingelseyouwanttoknowaboutMars?
T:
PleasefillintheblankswiththecorrectwordsaccordingtothewholesentenceandtheEnglishexplanationinthebrackets.(PPT)
T:
OK.Let’schecktheanswerstogether.
1)Alargebodyinspacethatmovesaroundthestar,e.g.,thesunmeansplanet.
2)Apowerthatkeepsusfromfloatingintheairmeansgravity.
3)Avehicledesignedfortravelinspacemeansspacecraft.
4)Peoplewhogotoliveinanewplacemeansettlers.
5)Growandimprovemeansdevelop.
6)Machinesthatcandotasksunderthecontrolofcomputermeanrobots.
7)Smallroundpiecesofmedicinemeanpills.
T:
Nowreadthenewwordsafterme.(2遍)
Newwords:
planetgravityspacecraftsettlersdeveloprobotspills
T:
WhatisthefastestwaytolearnmoreaboutMars?
That’ssearchingtheInternet.Nowlookatthekeywords.Guesstheirmeaningsfirstandthenusethesearchenginestohelpyou.TrytofindtheinformationaboutthemontheInternet.(PPT)
1)crowdedplanet:
ThepopulationonEarthisabout6.4billionin2007.It’sstillincreasingquickly…populationheremeansthenumberofpeople.(PPT)
2)spaceshuttles:
Theyarenewkindsofspacecraftwhichcantravelfasterinspace.(PPT)
3)speedboots:
Theyarespecialshoesthatcanmakeyouwalkfasterinspace.(PPT)
4)spacehome:
It’saspecialroundhouseinspace.(PPT)
5)robotsettlers:
Settlersarethepersonswhomovetoanewplace./MayberobotswillmovetoMarsandliveonitfirst.(PPT)
6)onlineteacher:
Theteacherwhocanhelpyouatanytimeandanyplaceinanon-lineschoolsiscalled‘e-teacher’.(PPT)
Step2While-reading
1.Skimming
T:
Nowwouldyoupleaseopenyourbooksatpage8?
Readthearticlequicklyandfindoutthekeywordofeachparagraph.Itcanbeawordorsomewords.Youdon’thavetoreaditwordbyword.Justskimit.Thiskindofreadingskilliscalledskimming.
T:
OK,boysandgirls.Let’schecktheanswersnow:
(PPT)
Para 1
Crowded,polluted(population,pollution)
Para 2
Transport
Para 3
Food,waterandair
Para 4
Gravity
Para 5
Home
Para 6
School
Para 7
Food
2.Scanning
T:
That’sveryeasyforyou,right.Readeachparagraphagain,thistimeyoushouldbemorecarefulandpaymoreattentiontothedetails.Whilereadingthearticle,pleasefindouttheanswerstothequestions.It’sanotherkindofreadingskillcalledscanning
T:
Now,boysandgirls,pleaselookatthescreenhere,let’schecktheanswers.(PPT)
※Transport(PPT)
1)WhatvehicledopeopleusetoMarsatpresent?
Andhowlongdoesittake?
(Spacecraft.Months.)
2)WhatvehiclemaypeopleusetogotoMarsinthefuture?
Andhowlongwillittake?
(Spaceshuttles.Onlyaveryshorttime.)
※air,water,food(PPT)
3)Whatwillscientistsdotosolvetheproblemsoffood,waterandair?
(ScientistswilldevelopplantsthatcangrowonMarsandproducethefood,waterandoxygen.)
4)WhatwillfoodonMarsbelike?
(Maybethefoodwillbeintheformofpillsandwillnotbeastastyastheyaretoday.)
※Gravity(PPT)
5)IsgravityonMarsabigproblem?
Why?
(Yes,itis.BecausethegravityonMarsisthree-eighthsofthegravityonEarth.)
6)Whatmayhappenthen?
(Peoplemayjumphigheasilyandfloatawayintospace.)
7)Whatkindofshoesshouldpeoplewear?
(Peopleshouldwearspecialbootstomakethemselvesheavier.)
※Home(PPT)
8)Whatkindofhousemaypeoplelivein?
(Aspecialdomewith10bedroomsishighlypossible.)
9)Whowilldomostofourwork?
(Robotswilldomostofourwork.)
※School(PPT)
10)Whatkindofschoolwillstudentsstudyin?
Andwhatdotheycalltheirteacher?
(Studentscanstudyinonlineschoolsandtheycalltheirteacher‘e-teacher’.)
T:
Well,youreallydidagoodjobtoday.FromthereadingweknowthatlifeonMarsisverydifferentfromthatonEarth.Pleasecomparethesedifferencesandfillintheformbelow(PPT)
T:
Haveyoufinishednow?
Let’schecktheanswerstogether.
Step3Post-reading
1.Fillintheblanks(PPT)
Earthtoday
Marsin2100
pollutedandcrowded
1
Spacecraftareslow.
2
Gravityisnotaproblemforus.
3
Peoplecanwearmanytypesofshoes.
4
Peopledonothavemuchspace.
5
Wetakeexamsatschool.
6
Wehavemanykindsoffoodwithdifferenttastes.
7
Keys:
1)cleanandhaslotsofspace
2)Spaceshuttlestravelathalfthespeedoflight.
3)onlyaboutthree-eighthsofthegravitythatwehaveonEarth
4)Peoplewearspecialboots.
5)Peopleliveinadomewith10bedrooms.
6)Wetakeexamsinonlineschools.
7)Mealsarejustpills.
T:
Congratulations!
You’vegotalltherightanswers.Youknowevery‘coinhastwosides’.HerearesomegoodpointsandbadpointsoflivingonMars.Wecallthe‘goodpoints’“advantages”and‘badpoints’“disadvantages”.Pleaselookatthescreenandfillintherightwords.
T:
OK?
Let’schecktheanswersnow.
Advantages
※It’snot_______or________.
※The________ismoreconvenient.
※Peoplewillwearspecial_____
※Peoplewillhave______space.
※______willdomostofourwork.
※We’llhavemoretimefor_______.
※Studentswillstudyin______schools.
Keys:
1crowdedpolluted2transport3boots4more5Robots6hobbies7online
Disadvantages:
※Low_______willbedangerous.
※Fooddoesnottaste_____.
※Spacetravelmakepeoplefeel________.
※It’stoo___tostayoutside.
※It’stoo____awayfromfriendsonEarth.
Keys:
1gravity2good3ill/sick4cold5far
T:
Nowwouldyoupleaseopenyourbooksatpage11oftheStudents’Book.PleasecompleteExerciseC1onpage11
T:
.Haveyoufinishedthem?
Let’schecktheanswers.(PPT)
Keys:
1a2b3c4c5b6b7a8b
T:
Welldone,you’verememberedsomuchaboutMars.Doyouhaveanydifficultieswhilereading?
Let’slookatsomesentencestogether.
Step4Explainsomeimportantsentences
1Therewillbevariousdesignsforsettlerstochoosefrom.将有许多种设计可供移居者选择。
tochoosefrom…“从……中挑选”。
e.g.我有很多双鞋子可以选择,但我决定不了选哪双。
Ihavemanypairsofshoes______(tochoosefrom),butIdon’tknowwhichpair______.(tochoose)
2.Thejourneymighttakeonlyaveryshorttimeinspaceshuttlesthattravelathalfthespeedoflight.用以光速一半速度飞行的太空穿梭机进行旅程可能只花很短的时间。
分析:
此句是that连接的定语从句。
that引导的定语从句修饰先行词spaceshuttles,从句中的动词的人称和数由先行词spaceshuttles决定。
3.ComparedwithlifeonEarth,lifeonMarswillbebetterinmanyways.
与在地球上的生活相比,火星上的生活在很多方面将会更好.
comparewith…意思是“与……做比较”。
在句中是过去分词短语作状语
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 9b unit1 Reading