英语人教版九年级全册UNIT 6.docx
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英语人教版九年级全册UNIT6
Unit6 Whenwasitinvented?
Period1 SectionA1a-2d
【课型】听说课
教学目标
学会用一般过去时的被动语态谈论发明。
掌握下列词汇和句型:
invent,invention,inventor,calculator
A:
Whenwasthetelephoneinvented?
B:
Ithinkitwasinventedin1876.
A:
Whowasitinventedby?
B:
ItwasinventedbyBell.
A:
Whatwasitusedfor?
B:
Itwasusedforseeinginthedark.
难点:
不规则动词的过去分词。
教学过程
一、查出下列单词的意思
1.invent
2.heat
3.scoop
4.heel
5.beinvented
6.electricity
7.beusedfor
8.mention
9.pioneer
10.project
11.style
12.website
二、从教材中找出下列短语
1.在1876年
2.带特殊鞋跟的鞋子
3.被用于
4.鞋子的形状
5.带灯的鞋子
6.加热冰激凌的勺子
7.我们的日常生活
8.不同的发明
9.有道理
10.在那个时候
三、完成下列句子
1.Thecalculatorwas beforethecomputer.
2.Themachineis forwashingclothes.
3.Ilikeshoes specialheels.
4.Thegreatinventorhadmorethan1,000 inhislife.
5.— wasthebuildingbuilt?
—Afteryouleftourhometown.
6. theice-creamout,please.
7.Iboughtanewbikethatrunsone .
8.它是用来改变鞋的样式的。
It’sused changingthestyleoftheshoes.
It’s changethestyleoftheshoes.
【新知学习】
1.Workon1a
Discusswhentheywereinventedusingthefollowingstructures.
IthinktheTVwasinventedbeforethecar.
IthinktheTVwasinventedafterthecar.
Ithinkthetelephonewasinventedin1876.
Ithinkitwasinvented...
2.Workon1b
·Listentoaconversation.Answerthequestion:
Whataretheytalkingabout?
(Inventionsandyears)
·Listencarefullyandmatchtheinventionswiththeyears.
·Listenagainandanswerthefollowingquestions:
√Didgrandmahaveatelephone?
√Didgrandma’sfamilyhaveacar?
√Didgrandma’sfamilyhaveaTV?
Why?
/Whynot?
√Whydidn’tshehaveapersonalcomputer?
√Canyouguesswhengrandmawasborn?
·Listenandchecktheanswer.
3.Workon1c
Makeconversationsinpairs.
SA:
Whenwasthetelephoneinvented?
SB:
Ithinkitwasinventedin1876.
4.Workon2a-2c
·Lookatthepicturein2a.Answerthequestions:
√Whatcanyouseeinthepicture?
√Whatistheboydoing?
√Whatisthegirldoing?
√Whatisthescoopusedfor?
√Whataretheshoesusedfor?
·Listenandnumbertheinventions[1-3]intheorderyouhearthem .
·Listenagainandfillinthechart.
Invention
Whatisit/aretheyusedfor?
shoeswithspecialheels
thestyleoftheshoes.
shoeswithlights
seeing
hotice-creamscoop
reallycoldice-cream
·Listenagainandanswerthefollowingquestions:
√WhichisCarol’sfavoriteinvention?
√WhatisCarolwritingaboutforherEnglishhomework?
√Whydopeopleneedshoeswithlights?
(Whyareshoeswithlightsneededbypeople?
)
√Howdopeoplechangethestyleoftheshoes?
(Howisthestyleoftheshoeschanged?
)
·Makeconversationsusingtheinformationin2b.Makeasampleconversationlikethis:
A:
Whataretheyusedfor?
B:
They’reusedforseeinginthedark.
Thestudentsworkinpairswhiletheteachermovesaroundtoofferhelp.
5.Workon2d
Lookatthepicture.What’sthis?
(zipper)
Readthepassageandanswerthequestions:
a.Whoinventedthezipper?
b.Whenwasthezipperinvented?
c.Whenwasitusedwidely?
d.Dotheythinkitagreatinvention?
Why?
·Fillintheblanks.
Lastweek,Roysawa ,itsaysthezipperisoneofthe smallinventionsthat theworld.It thatthezipperwas byWhitcombJudsonin1893.Butatthattime,itwasn’t used.Paulthinkshedoesseemtohavea .Thezipperisreally agreatinventionandit’susedinour livesveryoftenand .
重点突破
1.inventv.发明;创造
(1)ThomasEdisoninventedthelightbulb.Hewasagreatinventor.
托马斯·爱迪生发明了灯泡。
他是位伟大的发明家。
(2)It’samostusefulinvention.
这是一项极其有用的发明。
(3)Recentlytheyhavediscoveredacomet.
最近他们发现了一颗彗星。
(4)HowcanIfindoutmoreabouttheUN?
我怎样才能更多地了解联合国?
思考:
(1)invent的名词形式 ,意为“发明”, 意为“发明者”。
(2)若表示科学上的新发现则用 ;通过观察、探索而发现事实的真相用 。
2.by
Whowasitinventedby?
它是由谁发明的?
(1)ThisnovelwaswrittenbyLuXun.
这本小说是鲁迅写的。
(2)Sitbyme,please.请在我旁边坐下。
(3)Canyoufinishyourhomeworkbytomorrow?
你在明天之前能完成作业吗?
思考:
通过例子分析by的用法:
(1)
(2)
(3)
3.beusedfor/beusedtodo
(1)Whataretheyusedfor?
它们被用来做什么?
(2)Knivesareusedforcuttingthings.=Knivesareusedtocutthings.刀子是用来切东西的。
思考:
beusedfor意为“ ”,介词for在此表示用途,其后接 。
【跟踪训练】
单项选择
1.Alltheinformationexceptthesetwopieces writingthearticle.
A.havebeenusedto B.hasbeenusedto
C.havebeenusedforD.hasbeenusedfor
2.—HowdoyoulearnEnglishsowell?
— chattingwithmyuncleinAmericaonline.
A.ForB.By
C.InD.With
3.ThomasEdison manyusefulthings.
A.inventionB.inventor
C.inventedD.discovered
4.Ithinkthecalculator beforethecomputer.我认为计算器是在电脑之前发明的。
观察与思考:
(1)这是一个 句,think后面跟了 。
分析主从句的时态:
主句用了 时态,从句用了 时态。
(2)thecalculator与invent是 关系,计算器被发明,因此用 。
【随堂练习】
Ⅰ.单词拼写
1.ItissaidthatThomasEdisonhad1,093 (发明)duringhislifetime.
2.—Whatisthiskindofmachineusedfor?
—It’susedfor (听)tomusic.
3.Ifyou (加热)theice,itwillsoonbecomewater.
4.C wereallowedtobeusedinthemathtest.
5.Isawaw yesterdayandreadalotofinterestingthings.
6.Sheisapopularwriter,butIjustdon’tlikehers .
Ⅱ.句型转换
1.Thepersonalcomputerwasinventedin1976.(对画线部分提问)
thepersonalcomputer ?
2.TheshoeswithlightswereinventedbyJulieThompson.(对画线部分提问)
theshoeswithlights ?
3.Theyareusedforseeinginthedark.(对画线部分提问)
they ?
4.ShewasinterviewedbythelocalTVstationlastweek.(改为主动语态)
ThelocalTVstation lastweek.
自我反思
1.我的收获:
Wordsandexpressions:
Sentences:
2.学习本节后,我能用英语进行:
3.我的易错点:
参考答案
【跟踪训练】
1~3.DBC 4.wasinvented
【随堂练习】
Ⅰ.1.inventions 2.listening 3.heat 4.Calculators 5.website 6.style
Ⅱ.1.Whenwas;invented 2.Whowere;inventedby 3.Whatare;usedfor 4.interviewedher