英语：必修4-Unit3-Tomorrows-world-Welcome-to-the-unit课件(译林牛津版).ppt

Welcometotheunit

Beforeourlesson,let’senjoyavideo.lead-in

What’sthevideoabout?It’sapartofthefilm---ET.Itisafictionfilm.Ittalksaboutthestoriesbetweenanalienandafamily.

Whydoyouthinksomanypeopleareinterestedinsciencefictionstories?Becausetheyallowpeopletousetheirimaginationandthinkaboutwhatlifewillbeinthefuture.

Discussthefollowingpicturesinpairs:

Whatistherobotdoinginthispicture?Therobotisservingd____forthemaster.Hecandoalotofthingsforh_________,forexample,theycanhelppeopledoh_______.Theywillmakepeople’slivesmorec________.innerumanbeingsouseworkonvenient

☆Whatelsecanarobotdo?☆Doyouthinkyouwillhavearobotathomeinthefuture?Robotscandoalotofrepetitive(重复的)ordullthingsforhumanbeings,suchasdoinghousework;producingmorehigh-techproducts,anddoingboringordangerouswork.

Differentgatestodifferentplanets

Wherearethepassengersgoing?TotheMoon,JupiterorMarsIfyouhadachance,wouldyouliketoflytotheMoonoranotherplanet?Whatwillyoudowhenyouarrivethere?Yes.Iwanttoseeiftheresomelivesthere,andbringsomestrangethingstomyfamiliesandfriends.

DoyoubelievethattravelingtotheMoonwouldbejustliketravelingtoanothercity?Yes.TravelingtotheMoonortoanotherplanetmightbeaseasyastravelingtoanothercity.Youmightjusthavetobookaticket,getpackedandthinkaboutwhatpresentyouwouldliketobringbacktoyourfriendsontheEarth.

Whatarethepeopleinthispicturedoing?Havingabirthdayparty.Howoldistheman?200yearsold.Whatdoyouthinka200-year-oldmanwouldlooklike?Doyouthinkthemaninthepicturelooksthatold?

Doyouthinkpeoplecanlivethatlonginthefuture?Whyorwhynot?Withthedevelopmentofgeneticresearch,scientistscanfindoutthesecretoflivinglonger.Inthefuture,humanbeingscanlivemuchlongerthanwe