2024年-人教版初中英语九年级上册Unit 6 When was it invented.docVIP

读书不觉已春深，一寸光阴一寸金

读书不觉已春深，一寸光阴一寸金

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读书不觉已春深，一寸光阴一寸金

【课题】

Unit6Whenwasitinvented?

SectionA1a—1c

【学习目标】

句型：Whenwasthecarinvented?

弄清一般过去时态的主动语态与被动语态的差异，并通过练习和运用加以巩固。

【学习重点难点】

句型：Whenwasthecarinvented?

弄清一般过去时态的主动语态与被动语态的差异，并通过练习和运用加以巩固。

【学法指导】

在学习中，懂得人类的科学发明创造了丰富的物质文明，激发创造发明的能力和愿望。并乐于参加学习小组活动，积极合作。

【教学过程】

导入（启发探究3分钟）

通过课件呈现中国古代的发明:

gunpowder/compass/papermaking/printing

然后问学生:Whatarethey?

Helpthestudentstosay:TheyarefourinventionsofChina.

Getthestudentstorepeat.

叫学生列举一些他们知道的发明,如car,telephone,computer,TV等。

Thenshowsomeinventionsonthescreentothestudents:

Telephone,calculator,car,personalcomputer,TV,lightbulb,alarm,clock,microwaveoven,electricslipper.

Teacher:Therearemanyusefulthingsintheworld.Theyhelpusalotinlife.(Showsomepicturesonthescreen)

Whenweretheyinvented?

Students:_____________________.

①Thetelephonewasinventedin1876.

②Thecomputerwasinventedin...

……

二、自学（自主探究6分钟）

文化背景导读

HowAmericansshowedtheirrespectforEdison

ThomasAlvaEdisonwasawardedmorepatentsoninventionsthananyotherAmerican.Whenhediedin1931,Americanswonderedhowtheycouldbestshowtheirrespectforhim.

Onesuggestionwasthatthenationobserveaminuteortwooftotalblackout.Allelectricpowerwouldbeshutoffinhomes,streets,andfactories.

PerhapsthissuggestionmadeAmericansrealizefullywhatEdisonandhisinventionsmeanttothem.Electricpowerwastooimportanttothecountry.Shuttingitoffforevenashorttimewouldhaveledtocompleteconfusion.Ablackoutwasoutofthequestion.

OnthedayofEdison’sfuneral,manypeoplesilentlydimmedtheirlights.Inthiswaytheyhonoredthemanwhohaddonemorethananyoneelsetoputagreatforceofelectricityathiscountrymen’sfingertips.

翻译下列年代：

1nineteenseventy-one____________

2eighteeneighty-five__________

3.eighteenseventy-si