英语 外研版（2019）选择性必修三 Unit 4 Starting out .pptx

Unit4

Aglimpseofthefuture;;??Watchthevideoandanswerthequestions.;Whatpredictionsaboutthefutureweremade?Weretheycorrect?;Whatisyourunderstandingof“thefuturehasunlimitedpossibilities”?;Lookatthepicturesandanswerthequestions.;Interstellar;Avatar;Readyplayerone;WALL·E;Doyouthinktheeventsinthesefilmscouldcometrue?Whatdoyouthinktheworldwillbelikeinthefuture?;;Leadin;entertainment;Pre-reading;ReadthepassagetoseeifitchangesyouropiniononthefutureofAI.Ifso,inwhatways?;While-reading;Readforstructure;Readtheopinionsandmatchthemtothepersons.Talkabouttheopinionyouagreewith.;Readfordetails;WhatisthefunctionofthewordsofStephenHawking?

A.Tointroducethetopic.

B.Toexpressthepurpose.

C.Togivethebackground.

D.Toputforwardthequestion.;para.1-2;para.3-5;para.6-7;Organiseinformationfromthepassageandcompletethediagram. ;Nowcomeupwithmoreideasforeachpointofviewandsharethemwiththeclass. ;Post-reading;;...artificialintelligencewillbe“eitherthebest，ortheworstthing，evertohappentohumanity”.……人工智能将是“人类有史以来最好或最坏的事情”。

happento

（1）（偶然）发生（to是介词）

Ihopenothinghashappenedtothem.我希望他们没出事。

（2）碰巧（不用于进行时，to是不定式符号，后接动词原形）

Childrenwillplaywherevertheyhappentobe.小孩子走到哪里玩到哪里。

【归纳拓展】

（1）Ithappensthat...碰巧……，恰好……（=Sb.happenstodo...=Asithappens，...）

IthappenedthatIwasoutwhenhecame.=Ihappenedtobeoutwhenhecame.=Asithappened，Iwasoutwhenhecame.他来的时候我碰巧出去了。

（2）Therehappenedtobe...碰巧有……

Therehappenedtobeataxiparkedatthegate.碰巧门口停着一辆出租车。;Isitourgreatesthumanachievementsofar?到目前为止，它是我们人类最伟大的成就吗?

sofar到目前为止，迄今为止（常与现在完成时连用）

Ihaven’tgotusedtohisLondonaccentsofar.

Sofarnoonehasclaimedresponsibilityfortheattacks.

【归纳拓展】

uptonow/untilnow到目前为止（常与现在完成时连用）

as/sofaras...远至……，一直到……

as/sofarasIknow/Icanremember/Icansee据我所知/据我所记得的/依我看

;Itusedtofeellike50