Unit 6 When was it invented？ Section A 2a~2d 课件（25张PPT）- 2024-2025学年人教版英语九年级全册.pptxVIP

SectionA2a-2d;;;Alex:?Hi,?Carol.?Wow,?what?are?those???

Carol:?Hello,?Alex.?Oh,?these?are?some?of?the?interesting?inve

ntions?that?I’m?writingabout?for?my?English?

homework.?

Alex:?I?see…What’s?that,?then???

Carol:?They’re?shoes?with?lights.?You?use?them?for?seeing?in?

the?dark?when?you?get?up?at?night.?;Alex:?Oh,?that’s?a?cool?idea!?I?always?hit?my?toe?against?

something?on?the?way?to?the?bathroom?at?night.

Carol:?Next?is?a?special?ice-cream?scoop.?This?is?my?favorite

invention.?It?runs?on?electricity?and?becomes?hot.?

Alex:?I?know?what?it’s?for!?It’s?used?for?serving?really?

cold?ice-cream.?;Carol:?Yes,?that’s?right!?The?last?invention?I’m?going?to?write

about?is?shoes?with?special?heels.?You?can?move?the

?heels?up?and?down.?

Alex:?What?are?they?used?for??

Carol:?Well,?you?can?change?the?style?of?your?shoes.?You?can?

raise?the?heels?if?you?are?going?to?a?party?or?lower?

them?if?you?are?just?going?out?for?shopping.?;OralPractice(2c:P69);A:Whenwasthe_______invented?

B:Ithinkitwasinventedin______.;;A:Whatisthe

usedfor?

B:Itisusedfor______.(count);A:Whatisthe

usedfor?

B:Ithinkitisusedfor_____.(ride);;Paul:HeyRoy,thesubjectformyschoolprojectis“Small

inventionsthatchangedtheworld.”Canyouhelpmethinkof

aninvention?

Roy:Mypleasure!Letmethink…hmm…Iknow!Thezipper!

Paul:Thezipper?Isitreallysuchagreatinvention?

Roy:Thinkabouthowoftenit’susedinourdailylives.

Youcanseezippersondresses,trousers,shoes,

bags…almosteverywhere!;Paul:Well,youdoseemtohaveapoint…

Roy:Ofcourse!IthoughtaboutitbecauseIsawawebsitelastweek.

Thepioneersofdifferentinventionswerelistedthere.For

example,itmentionedthatthezipperwasinve