初三Unit 9 教学案Word文档格式.docx
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Teachingaims:
1.KeyVocabulary:
calculator,beusedfor…,invent…
2.ThePassiveVoice
Importantanddifficultpoints:
1.准确使用beusedfor…2.理解并使用被动语态。
Teachingmethods:
1.Chaindrill2.Pairwork
二、课前预习
1被…发明的2在1976年
3被用于做…4可调后跟的鞋
5加热的冰激凌勺子6电池供电的拖鞋
7我认为计算器发明在计算机前。
Ithinkthecalculator_____________beforethecomputer.
8它被用于舀很凉的冰激凌。
It’s______________reallycoldicecream.
9他们被用于做什么?
What______they____________?
本次预习我用了分钟
三、教与学
Step1、Warming-up
—Greetings:
—Free-talk:
T:
Lifewasdifficultforpeopleinthepast,Butnowitiseasyforusbecauseofsomenewinventions.forexample,TV,cars,telephone,mobilephone,computer,microwave
oven…Whatinventionsmakeourlifeeasy?
HaveSslistsomeusefulinventions.
Step2、Presentation
—1a:
HaveSslookatthepicturesandsayouttheordertheywereinvented.
eg,IthinktheTVwasinventedbeforethecomputer.
AndIthinkthecomputerwasinventedafterthecar…Thennumberthem.
—1b:
Doyouknowwhentheywereinvented?
(SomeSsmayknowsomeofthem)Nowlet`scometo1b,listenandmatchtheinventionswiththedates.
PlaytherecordingandSsmatch..Thenhavestuentsdrilltheconversation(1c).
Step3、Listenandpractice
—2a:
Havestudentslistenandnumbertheinventionsintheorderthatisheard.
—2b:
Listenagainandmatchtheinventionswiththeirinventorsanduses.
Checktheanswer.
—2c:
Pairwork.Studentsareaskedtolearntouse”beusedfor…”.
Step4、Grammarfocus
—Askstudentstoreadthesentences.
—Helpstudentsmakethefollowingconversation:
A:
Whenwasthecomputerinvented?
B:
Itwasinventedin1976.
Whatisitusedfor?
Itisusedforplayinggames.
四、归纳小结
1、
2、
……
五、课堂检测(5分钟)
1电话是什么时候被发明的?
_____________thetelephone__________?
2汽车是谁发明的?
______wasthecar_____________?
3Thelightisusedforseeinginthedark.(提问)______isthelight____________?
4Ithinkthetelephonewasinventedbeforethecar,_______________(反意疑问句)
5Theshoesaremadebymymother.(否定句)Theshoes____________bymymother.
6Thetelephonewasinventedin1867.(提问)____________thetelephone________?
六、巩固提升
1TheywereinventedbyJulieThompson.(划线提问)
_____________theyinvented________?
2Thatkindofpanisusedforcookingmeat.(就划线部分提问)
_____________thatkindofpanfor?
3LuXunwrotethebook.(改为被动语态)Thebook________________Luxun.
4Theymakemachinesinthatfactory。
(改为被动语态)
Machines___________inthatfactory.
5计算器是什么时候发明的?
thecalculator?
6.这个杯子是用来喝热水的。
Thiscupdrinkinghotwater.
7.Mymothermadethisskirtlastmonth.(改写句子)
Thisskirtmymotherlastmonth.
8.Jennyinvitedmetogotoherbirthdayparty.(改写句子)
Itogotobirthdayparty.
9.WesentmanybookstotheHopeSchoollastweek.(改写句子)
ManybookstotheHopeSchoollastweek.
10.Makethreeconversationsaccording1c.
我用了分钟
七、教/学收获
第2课时
Teachingaims:
1.KeyVocabulary:
lightbulb,microwaveoven…2.Talkaboutinventions
巩固使用被动语态。
1.Chaindrill2.Pairwork
1闹钟2电灯泡
3微波炉4最有帮助作用的发明
5给人们更多的时间工作
6我认为电灯泡是最有用的发明之一。
Ithinkthelightbulbis_______________.
Step1、Warming-upandrevision
—Dailygreetingstothestudents.
—Makeconversationsinpairstorevise:
e.g.A:
Itisusedforplayinggames.
A:
Whowasitinventedby?
Itwasinventedby……
Step2、Pairwork
—3a:
Getstudentstolookattheinventionsandsayouttheiruses:
alarmclock-------(usedforwakinguppeople)
lightbulb-------(usedforseeinginthedark)
microwaveoven-------(usedforcooking)
—Thenhelpstudentslisthelpfulandannoyinginventions(ontheblackboard):
Helpful:
plane,car,computer,lightbulb,microwaveoven,TV,radio,boat,telephone,
calculator,camera…
Annoying:
alarmclock,bell,gun,drum…
Step3、Pairwork
—3b:
Haveapairofstudentsreadtheconversationintherightbox,first.Thenhavethemworkinpairsandtrytomaketheirowndialogues(I`llwalkaroundandhelpthem).
Asksomepairstosharetheirdialogues.
—Additionaldialogues:
Whatdoyouthinkisthemostannoyinginvention?
B:
Ithinkthemostannoyinginventionisthealarmclock.
Whyisthat?
Itwakesmeupeverymorning,Ican`tsleepmore.…
Step4、Groupwork
—Havestudentslookatthepictureandimagine.Encouragethemtotrytomaketheirownconversations.
1我认为最有帮助作用的发明是电灯泡。
Ithink_______________inventioninthelightbulb.
2我想要一个收音机这样我就可以整天听音乐了。
I_________________