Unit9WhenwasitinventedSectionA新目标完整版.pptx

Whenwasitinvented?Unit4thefirstperiod

1.发明invent2.计算器calculator3.用勺舀scoop4.可调节adjustable5.后跟heel6.电池battery7.操作operate8.电池供电的battery-operated9.拖鞋slipper10.加热heat11.电灯泡bulb12.微波microwave13.微波炉microwaveoven14.灯泡lightbulb

lightbulbinventionEdisoninventorEdisoninventedthelightbulb.ThelightbulbwasinventedbyEdison.Whoinventedthelightbulb?

KarlBenzinventedthecar.______wasinventedby_______.ThecarKarlBenzWhoinventedthecar?

Bellinventedthetelephone._________wasinventedby______.ThetelephoneBellWhoinventedthetelephone?Whowasthetelephoneinventedby?=Bywhom

Workinpairs--whowasthecar/…inventedby?--ItwasinventedbyKarlBenz.

inventionscalculatormicrowaveoven

19761971197619271885Whenwasitinvented?Itwasinventedin1969.

1bListenandmatchtheinventionswiththedates.abedc18761885192719711976dabec

A:Whenwasthe_______invented?B:Ithinkitwasinventedin______.Pairwork(1c:P68)19761885197119271876

18761885192719711976Whenwasthecarinvented?Itwasinventedin1885.

Weusethecarfortraveling.Thecarisusedfortraveling.

A:Whatisthe_______usedfor?B:Ithinkitisusedfor_______________.talkingwithpeople

A:Whatisthe_______usedfor?B:Itisusedfor___________.(count)counting

A:Whatisthe________usedfor?B:Itisusedfor__________________.makingthefoodhot.(makethefoodhot)

Whatis/are…usedfor?It’s/They’re…usedfor…

Sentencepattern:Whatisit/aretheyusedfor?Whowasit/weretheyinventedby?Itis/Theyareusedfor...Itwas/Theywereinventedby...Guessinggame:

Theseinventionswereallinventedinothercountries.Theyareallmoderninventions.Theyarenotveryfarfromus,butinancientChina,wehadfourgreatinventions.

Weshouldbeproudofbe