人教版 高中英语 必修二 unit 3 computers Warming up课件

Unit3
Computers
Warmingup
高一人教新课标版必修二
Withthedevelopmentofscienceandtechnology,manynewthingsappearinhumanbeing’slife.
Let’sguesswhattheyare:
1.Iamveryoldnow.IwasborninChina.
Manypeopleudmeforcalculatingin
thepast,butnowIamabitlonelybecau
theydon’tlikemenow.
DoyouknowwhoIam?
abacus
2.Iamverysmall.Icanbeudfor
calculating.InChina,alotofstudents
umewhensolvingmathematical
problems.
DoyouknowwhoIam?
calculator
3.Withmeyoucanwatchdifferent
programmesjustathome.I’mamachine
thathasascreenwithmovingpictures
andsounds.Butwatchingmetoomuch
isbadforyoureyes.
TVt
4.Iamamachinewhichmovesveryfastonfourwheels.Youneedalicen(执照)andmustbeverycarefulwhenyoudriveme.RollsRoyce,BenzandBMWaresomefamouskindsofme.
car
5.Iamamachinewhichisagoodhelperindoinghouwork.
Iwashclothesforpeople.
WhoamI?
washingmachine
6.Amachinethatyouutotalktootherpeopleeveninafar-awayplace.Weareconnectedbywireorradio.Noweachofusoftenhasanumber.WhoamI?
telephone
7.Itisamachine,whichyoucanuto
typeyourhomework,drawpictures,play
games,watchmovies,listentomusic,
communicatewithyourfriends,gather
information…
APC/desktop