2023学年完整公开课版whenwasitinvented

Unit9Period1Whenwasitinvented?fourgreatinventionscompassgunpowderprintingPapermakingmoderninventionslistenandmatchtheinventionsandthedates._____1876_____1885_____1927_____1971_____1976daecb1bListeningpracticebcG:Lifemusthavebeendifficultwhenyouwereakid.W:Oh,notreally.Whydoyousaythat?G:Well,youdidn’thavemanymoderninventions.Like,you...?W:Ofcoursewedid!HowolddoyouthinkIam?____1____.G:Howaboutcars?Ibetcarsweren’tinventedyet.W:Suretheywere.____2____.Myfamily...G:Ha,ha!Well,didyouhaveaTV?W:No,wedidn’t.____3____,Ithink.Somefriendsofmine...G:AndIbetyou...Welearnedinschoolthathand-held_4_and__5__.W:You’reright.Ididn’thavethosethingswhenIwasyoung.ButIdonow!

1.Thetelephonewasinventedin1876.

2.Carswereinventedin1885.

3.TheTVwasinventedaround1927.

4.Calculatorswereinventedin1971.

5.Computerswereinventedin1976.A:Whenwasthe…invented?B:Itwasinventedin_____.

19761927187618851971lightbulb1879Edison.When

was

it

invented?It

wasinvented

in

1879.Who

was

it

invented

by?It

wasinvented

by

Edison.What’situsedfor?It’susedforhelpingpeopleseeinthedark.Car1885When

was

it

invented?Who

was

it

invented

by?Whatisitusedfor?Benz.It

wasinvented

in

1885.Itisusedfortraveling.It

wasinvented

by

Benz.1876Bell1927BeldKelif19711976Fen.NoymaWhen

was

it

invented?Who

was

it

invented

by?Whatisitusedfor?Crazyinventionsusedfordrivingandflyingusedforwalkin