仁爱版初中英语九年级上册U2T3SC优质课教案Word格式文档下载.docx
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能够对信息进行分类处理。
3.Emotionalaims:
（optional）
激发学生探索利用新能源的热情。
4.Cultureawareness:
了解世界各国在开发和利用新能源方面的现状和成就。
Ⅲ.Thekeypointsanddifficultpoints
1.Keypoints:
Wordsandphrases:
technology,renewable,disadvantage,require,German,wheel,guide,deep,runout,source,worldwide,produce…from…,notonly…butalso…,too…to…
Sentences:
However,nuclearpowercanbeverydangerous.
Itcannotonlyprotecttheenvironmentbutalsosaveenergy.
It’stoosmalltoholdmanypeople.
Grammar:
compoundsentence
2.Difficultpoints：
理解文章中出现的大量专业术语。
biogastechnology,maglevtrains等。
理解文中出现的被动语态。
如:
Thisrenewableenergyisusedinpeople’severydaylives.
Electricvehiclesweredevelopedinthe1990s.
It’stoosmalltoholdmanypeople,butlargermodelswillbedevelopedinthenearfuture.
理解文中出现的表语从句。
Itskeydisadvantageisthattheprocessrequiresalongtime（upto30days）andthehighcostforitsbuilding.
Ⅳ.Learningstrategies
在1a、1b和2a中，能够根据文字描述进行图文匹配。
在1c环节能够根据要求获取不同的信息，并能根据所完成的图表复述文章的大意。
要养成在讨论中作记录的好习惯，并利用记录的要点来组织短文。
利用课文中的插图和教材附录中的资料来理解课文。
Ⅴ.Teachingaids
教学新词的图片（如：
1a,1b,2a的插图、电动摩托图片、核电站图片）/PPT等。
Ⅵ.Teachingprocedures
Stage
（timeperiod）
Interaction
patterns
Teacheractivity
Studentactivity
Remarks
1
Revision
（10mins）
Groupwork
LettheSsmakeasurveyandreporttotheclasstofinish4inSectionB.
T:
Hi,boysandgirls!
Let’sbeginourclass.Pleaseturntopage46.Let’sdothesurveyin4.Haveyoumadethelistafterclass?
Fine.Nowworkingroupsasusual.Makeasurveyinyourgroup.Youcanfollowtheexamplein4.Thegroupleadershouldcollecttheinformationandreportittotheclass.Whenyoufinish,putupyourhand.
Stop,please!
Now,it’stimetoreport.Whichgroupwantstoreportfirst?
Iamverygladthatyouhaveagoodhabitofdealingwiththewaste.
Makeasurveyandreporttofinish4inSectionB.
Ss:
Yes.
S1:
Inourgroup,xxxalwaysshutsofftheelectricitywhenheleavestheroomorwhentheroomisbrightenough.xxxalwaysturnsoffthetapwhenhedoesn’tuseit.xxxalwaysputstheplasticbottlesinabigboxandxxxalwaysusesbothsidesofthepaper.
S2:
Inourgroup,…
S3:
Inourgroup,…
2
Pre-reading
（5mins）
Classactivity
Presentthepicturesin1a,1band2atolearnthenewwords.
Now,Iwillshowyousomepictures.TrytotellmewhatthepictureisinEnglish.Now,lookatthispicture,what’sit?
Yes.It’sanelectricmotor.Ioftencometoschoolonmyelectricmotor.Whataboutthisone?
Youareright.It’satrain.Peoplecallitmaglevtrain.It’sdifferentfromthetraditionalsteelrailways.Ithasnowheelsbutitrunsveryfast.Itcanrunmorethanfourhundredkmperhour.
…（Usethesamewaytodealwithotherwords.）
Learnthenewwords.
Motor.
Itlookslikeatrain.
这一课词汇较多，而且有很多专用术语，老师要运用各种方法先讲解部分新词。
运用图片、构词法或课前集中预习等。
electric（adj）+ity（名词后缀）=
electricity（n）,re（again）+new+able（能…的）=renewable（adj）,
dis（no）+advantage=disadvantage（n）。
本课词汇较多，对于课程标准没有要求掌握的词汇，只要学生能理解即可。
3
While-reading
（8mins）
Individualwork
Step1:
LettheSsread1a,andmatchthepicturesin1aand1b.
Next,youwillread1a,andmatchthepicturesin1aand1bwhilereading.Whenyoufinish,putupyourhand.
Whowouldliketotellustheanswersto1a?
Doyouagreewithher?
Howabout1b?
Volunteers!
Isheright?
Step2:
LettheSsread1aagainandcompletethetablein1c.Checktheanswers.
Youhavelearnedsomethingaboutbiogas,electricvehiclesandmaglevtrains.Eachhasitskeyadvantagesanddisadvantages.Now,read1aagain,findtheiradvantagesanddisadvantagesandputtheminthetablein1c.Whenyoufinish,raiseyourhand,please.
Shallwechecktheanswersnow?
xxx,what’stheadvantageanddisadvantageofbiogas?
Oh,youalldiditverywell.
Read1aandmatchthepicturesin1aand1b.
C-A-B.
B-C-A.
Read1aagainandcompletethetablein1c.Checktheanswers.
Noproblem.
Advantage:
renewable
Disadvantage:
longprocessandhighcostforitsbuilding
…
4
Post-reading
LettheSsguessthemeaningsof“best-known,German,efficient,guide,path”andthenlearnthemwiththehelpofthevocabularylist.
Now,let’ssolvethewords.First,you’dbetterguessthemeaningsofthesewords,andthenlearnthembyyourselfwiththehelpofthevocabularylist.
LettheSsread1a,anddiscussingroupstofindthecompoundsentencesandotherdifficultpoints.
Youhaveread1atwice,buthaveyounoticedthattherearemanycompoundsentencesinthepassage?
Besides,Iknowtherearesomedifficultpointsforyou.SoI’dlikeyoutoreadthepassageagain,anddiscussingroupstofindoutthecompoundsentencesanddifficultpoints.Ifyoufinish,pleaseletmeknow.
Group1,couldyoutellusthecompoundsentencesyouhavefound?
Wow,therearesomanycompoundsentencesinthispassage.Thenlet’sdealwiththedifficultpoints.
Step3:
Dealwiththedifficultpoints.
Guessthemeaningsof“best-known,German,efficient,guide,path”andthenlearnthemwiththehelpofthevocabularylist.
Read1a,anddiscussingroupstofindthecompoundsentencesandotherdifficultpoints.
Inmanycountries,people…coal,
butitis..andcausesacidrain.
However,nuclearpowercanbeverydangerous.
Itcannotonlyprotect…butalsosaveenergy.
It’stoosmalltoholdmanypeople,
but..future.
Thereisnowheelnoise,becausetherearenowheesl.
Maglevtrainsareveryenergy-efficientanddonotpollutetheair.
However,maglevguidepathsare..steelrailways.
Understandthedifficultpoints.
对best-known,German也可以辅以构词法来讲解：
Germany（n,国家名）——German（n,…人），best+known（famous）=best-known（adj.）
对本课出现的被动语态和表语从句，老师不要细讲，只要学生能理解句子意思即可。
建议老师直接用汉语解释。
5
Finishing
Task2a
（8mins）
LettheSslookatthepicturesin2atolearnthenewwords.
Weknowcoal,oilandgasareunrenewablesources,andtheywillrunoutinthefuture.Sopeoplearefindingnewwaystoproducepower.Now,lookatthepicturesin2a,doyouknowwhatkindofnaturalsourcesisused?
Let’sstartwithPicture1.
Yes,inpicture1,peopleusesunlight.Picture2?
Insomeplaces,thereishotwatercomingfromdeepintheearth.Ifthewateristoohot,itbecomessteam.Inthepast,peopleusedsteamtodrivetrainsandships.Now,canyouguesswhat“steam”means?
Yeah!
ThenPicture3?
Yes.Andthelastone?
Clever!
Seawavesarenaturalsources,too.
Step2:
LettheSsread2aandmatchthepictureswiththesentences.
Youhavelearnedabouttheserenewablesources.Now,read2aquicklyandmatchthepictureswiththesentences.Ifyoufinish,putupyourhand.
xxx,couldyoutellusyouranswers?
Isthatright?
LettheSsdiscussindetailabouttheuseofonekindofenergysources.
Fromthepassage,weknowthatthesesourcesareusedworldwide.Now,I’dlikeyoutodiscussindetailhowtouseoneofthesesourcesingroups.You’dbettertakenoteswhilediscussing.Becauseyouwillwriteashortpassagebasedonthediscussion.
太阳能。
不知道。
蒸汽。
风力发电。
海浪。
Sure.2-4-1-3
Discussindetailabouttheuseofonekindofenergysource.
地热能是学生所不熟悉的，老师要适当地解释一下。
6
Summarizingandassigninghomework
（4mins）
Step1:
LettheSsretellthemaincontentof1aaccordingtothetablein1c.
Howtimeflies!
It’stimetoretellthemaincontentof1anow.Ready?
Go!
Step2:
HMK
Youhavediscussedandtakennotein2a.Afterclass,youshouldwriteashortpassagewiththenotes.Youmayfollowtheexamplein2b.
Retellthemaincontentof1aaccordingtothetablein1c.
T&
Biogasisrenewable.Farmersrecyclestraw,grassandanimalwastetomakebiogas.Butitrequireslongtimetoproducebiogasanditcostsmuchtobuildthem.Electricvehiclescannotonlyprotecttheenvironmentbutalsosaveenergy.Butit’stoosmalltoholdmanypeople.Maglevtrainsrunveryfastandquietly.Theyareenergy
-efficientandtheyhavenopollution.However,thepathsaremuchmoreexpensivethanthetraditionalsteelrailways.
让学生单独复述课文有一定的难度，最好是老师带着一起复述。
Ⅶ.Blackboarddesign
Whatcanwedoathometoprotecttheenvironment?
Wordsandphrases：
electricmotor电动摩托
maglevtrain磁悬浮列车
technology
require
Grammar：
compoundsentences:
并列句
conjunctions:
连接词
but,however,and,notonly…butalso…,…
Itcannotonlyprotecttheenvironmentbutalsosaveenergy.
It’stoosmalltoholdmanypeople.
…,butitisverydirtyandcausesacidrain.
German
wheel
guide
deep
runout
dis+advantage=disadvantage（n）
re（使）+new+able（能…的）=renewable（adj）
notonly…butalso…
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