unit-9-when-was-it-invented-section-a-[上学期]--新目标.ppt

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1、What are these?When were they invented?Telephone Hand-held calculator18761971What is this?When was the car invented?It was invented in 1885.carWhat are these?When were they invented?computer TV1976 1927What are these?When were they invented?computer TV1976 1927What are these?When were they invented?

2、computer hand-held calculator1976 1971_ 1876_ 1885_ 1927_ 1971_ 1976a b ec dWhat are these?When were Sth invented?car computer TVhand-held calculators telephoneWhat are they?battery-operated slippersWhat are they used for?seeing in the darkWho were they invented by?Julie ThompsonWhat are they?Shoes with adjustable heelsWhat are they used for?Changing the style of the shoesWho were they invented by?Jayce Coziar and Jamie Ellsworth

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