仁爱英语九年级上册教学设计第四单元第一话题第四课时Word下载.docx
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1.Keypoints:
Wordsandphrases:
mark,explorer,system,man-made,findout,aslongas,beusedtodosth.
Sentences:
Thismethodworkedwellatnightaslongastheweatherwasgoodandthestarscouldbeseen.
Today,theproblemhasbeensolvedbytheGlobalPositioningSystem.
Itcanalsobeusedtostudytheshapeoftheearth.
Grammar:
was/were+pp
2.Difficultpoints：
TheGPSisagreatinventionthathelpsusexploreourplanetanddiscoverwhereweare.
Ⅳ.Learningstrategies
通过语法和功能部分的归纳总结来内化所学的语言知识。
通过参与讨论1a的问题来感知、预测文章大意。
通过Project的设计活动，介绍自己的发明来提高口头表达能力。
Ⅴ.Teachingaids
指南针/小黑板/ppt等。
Ⅵ.Teachingprocedures
Stage
（timeperiod）
Interaction
patterns
Teacheractivity
Studentactivity
Remarks
1
Revision（12mins）
Individualwork
Classactivity
Groupwork
Step1:
LettheSscompleteGrammarandFunctionsandchecktheanswers.
T:
Boysandgirls,let’sbeginourclasswithsomeexercises.PleasecompletetheblanksinGrammarandFunctions.Whenyoufinish,raiseyourhand.
Iamgoingtochecktheanswers.Youhadbetteranswerinfullsentences.xxx,wouldyouliketoanswerthefirstone?
Great!
Howaboutthesecondone?
Step2:
LettheSssumuptheusageofpassivevoice.
Youalldidverywelljustnow.Next,let’ssumupthepassivevoice.Whatkindofpassivevoicedidwelearnfirst?
Couldyoutellmehowtouseit?
Superb!
Whatwasthesecond?
Howaboutthestructure?
Step3:
WritedownsomeChinesesentencesontheBboronthescreen.LettheSsputthesentencesintoEnglishaloneandthenchecktheanswersingroups.Letthegroupleaderscollectallthemistakes.
Now,lookatthesesentencesandputthemintoEnglishalone.Checktheanswersingroups.Thegroupleadersshouldcollectthemistakesinyourgroup.Whenyoufinish,raiseyourhand.
Example:
1.这种火箭是由中国在二十世纪七十年代制造的。
2.我的自行车昨天被盗了。
3.第一部手机是由马丁·
库伯（Martin.Cooper）发明的。
4.这条毛巾是用竹子做的。
5.X光机被用来诊断疾病。
Now,let’scheck.Group1,whatarethemistakesinyourgroup?
Whocansolvethisproblem?
Goodexplanation!
Howaboutyou,Group2?
CompleteGrammarandFunctionsandchecktheanswers.
S1:
Yes.TheradiowasinventedbyGuglielmoMarconiin1895.
S2:
Whenwasthedigitalcameradeveloped?
Itwasdevelopedinthe1970s.
S3:
Wherewasitdeveloped?
ItwasdevelopedinJapan.
S4:
…
Sumuptheusageofpassivevoice.
Ss:
一般现在时态的被动语态。
am/is/are+pp
一般过去时态的被动语态。
was/were+pp
PutthesentencesintoEnglishaloneandthenchecktheanswersingroups.
xxxhasdifficultiesinchoosingpresentpassiveorpastpassive.
通过观察时间标志词来确定。
如第1，第2题都有时间标志词。
第3、4、5题虽然没有明显的时间标志词，但是我们可以通过常识判断。
2
Pre-reading
（3mins）
Presentacompass.Askandanswerquestions.Moveto1a.
Whatisit?
Yes.It’sacompass.Whenwasitinvented,doyouknow?
Whoinventedit?
Whatisitusedfor?
Yes,youareright.Today,we’lllearnhowpeopleknowthedirections.
LettheSsreadthequestionsonpage88.Learnthenewwordexplorer.
Now,beforereadingthepassage,youhadbetterreadthequestionsonpage88.Youcanlearntheword“explorer”bywordformation“explore（v）+er=explorer（n）”.
Answerquestions.
指南针。
北宋。
It’ssaidthatEmperorHuanginventedit.
It’susedforgivingdirections.
Readthequestionsonpage88.Learnthenewwordexplorer.
3
While-reading
（8mins）
Step1:
LettheSsread1aandfindtheanswerstoQuestion1,2and3.
Now,read1aandfindouttheanswerstoQuestion1,2and3.Whenyoufinish,raiseyourhand.
Ithinkweshouldchecktheanswersnow.xxx,couldyoupleaseanswerQuestion1?
Wonderful!
Question2,who?
WhatisaGPS,whoknows?
LettheSsdiscusswhattheGPSwillbeusedforinthefuture.
WeknowGPSisusefultous.Whatisitusedfornow?
Oh,youhavegoodknowledgeofGPS.Now,pleasediscusswhattheGPSwillbeusedforinthefuture.
Haveyoufinisheddiscussing?
Whichgroupwantstobethefirst?
Smartidea.Buthowdoyoumakeitcometrue?
Othergroups?
Read1aandfindtheanswerstoQuestion1,2and3.
S:
Theearlyexplorerusedthestarstoknowwheretheywere.
Inbadweather,peoplecouldn’tseethestars,sothismethoddidn’twork.
GPSislikeaman-madestar.It’sveryusefultous.Peoplecanuseittofindouttheirposition.
DiscusswhattheGPSwillbeusedforinthefuture.
It’susedfortransportation.
It’susedforsendingsatellites.
It’susedforplanes.
Yes.
Wecanuseittofindthemissingoldpeopleorchildren.
Wecanputitinthepocketorintheshoes.
..
4
Post-reading（10mins）
LettheSsread1aagainandfindoutthenewwords,thedifficultpointsandkeypointsingroups.
Now,read1aagain.Findoutthenewwords,thedifficultpointsandkeypointsingroups.
First,let’ssolvethenewwords.Whatdoes“guidingmarks”mean?
Soundsgood!
Howabout“man-made”?
And“system”?
Second,whatarethedifficultpoints,Group2?
Goodquestion!
It’sakindofpassivevoice.Thestructureis“modalverb+be+pp”.
Whatelse?
Anothergoodquestion.It’sanewgrammar.We’lllearnitlater.It’scalledattributiveclauses.Wecanchangetheword“that”into“andtheinvention”.
Haveyoufoundanyusefulexpressions?
Read1aagainandfindoutthenewwords,thedifficultpointsandkeypointsingroups.
指路标志。
指引标志。
人造的。
系统。
Whatdoes“thestarscouldbeseen”meaninPara1?
HowdoweunderstandthelastsentenceinPara2?
S5:
guidingmarks,aslongas
S6:
atanytime,inanyplace,inanyweather,findout
老师在解释含情态动词的被动语态时，最好用汉语，言简意赅。
不要讲太多，点明即可。
对于本课的定语从句，不要重点讲，让学生知道这种语法现象就行了。
最好用汉语解释。
5
Finishing
Project
（10mins）
Step1：
LettheSsdiscussKangkang’sinvention.
LookatKangkang’sinvention.Discussingroupsandthenexpressyouropinionsaboutit.
Whichgroupisreadytoshareyouropinion?
I’mveryhappythatyouallhaveyourownideas.
Step2:
LettheSstakeouttheirHMKinSectionC,drawapictureoftheirinventionsandmakeacardasKangkang’s.
Now,takeoutyourHMKinSectionC.DrawapictureofyourinventionandmakeacardasKangkang’s.
LettheSstaketheirinventionstothefrontanddescribeittotheclass.
Whowouldliketoshareyourinventionwithyourclassmates?
Wonderfulinvention!
Someoneelse?
Step4:
LettheSsdiscussingroupstodecidewhichinventionisthemostuseful/interesting/funnyone.
Now,discussquicklyanddecidewhichisthemostuseful/interesting/funnyinvention.
Whoseisthemostusefulinvention,class?
Themostinterestinginvention?
Ihopeyouwillworkharderfromnowon.Iwishyouallsuccess.
DiscussKangkang’sinvention.
Wethinkitisagreatinvention.Therewillbelesstrafficjamandtrafficaccidents.
Wethinktheremaybemoretrafficaccidents,becausetherewillbetoomanycarsflyinginthesky.
DrawapictureoftheirinventionsandmakeacardasKangkang’s.
Taketheirinventionstothefrontanddescribeittotheclass.
MyinventionisMagicPen.Itlookslikethepenweareusing.It’smadeofmetalandplastic.Butitcanspeak.Itisthebest“teacher”intheworld.Ithasabrain.Itknowsallthesubjectwearelearning.Wheneveryouhaveproblems,youcanjustpress“Help”anditwilltellyouwhattodo.
Myinventionis…
Discussingroupstodecidewhichinventionisthemostuseful/interesting/funnyone.
xxx’s
9
Summarizingandassigning
homework（2mins）
HMK:
LettheSssumupthekeypointsandwritethemdownontheexercisebook.
Wehavefinishedthistopic.Afterclass,Ihopeyouwillsumupallthekeypointsandwritethemdownonyourexercisebook.
Ⅶ.Blackboarddesign
explore+er=explorer
man+made=man-made
guidingmarks
system
aslongas
passivevoice
am/is/are+pp
was/were+pp
modalverb+be+pp
has/have+been+pp
…andthestarscouldbeseen.
Today,theproblemhasbeensolvedby…
Itcanalsobeusedtostudytheshapeoftheearth.
升级会员 