Unit 6 When was it invented?
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Language Goal
【语言目标】
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Talk about the history of inventions
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Knowledge Goals
【知识目标】
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Key Words
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style，project，pleasure，daily，website，pioneer，list，mention，ruler，boil，remain，smell，national，trade，doubt，fridge，low，somebody，translate，lock，ring，earthquake，sudden，bell，biscuit，cookie，musical，instrument，sour，customer，Canadian，divide，basket，hero，nearly
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Key Phrases
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have a point，by accident，take place，without doubt，all of a sudden，divide…into，not only…but also…，look up to，the Olympics，by mistake
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Key Sentences
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1.—When was the telephone invented?
—I think it was invented in 1876.
2．—I think the TV was invented before the car.
—Well，I think the TV was invented after the car.
3．—Who was it invented by?
—It was invented by Whitcomb Judson.
4．—What is the hot ice－cream scoop used for?
—It's used for serving really cold ice－cream.
5．The telephone was invented by Alexander Graham Bell in 1876.
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Key Grammar
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Learn to use passive voice in past tense to talk about inventions.Learn the special questions and answers.
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Ability Goals
【能力目标】
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1.Develop listening，speaking，reading and writing skills by using the target languages.
2．Learn to talk about the history of inventions and ask when，who and what questions about the famous inventions and answer them.
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Moral Goals
【情感目标】
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1.With the help of this unit's study，students can learn about the important inventions and how they have changed the world and the life of human beings.
2．Learn from the inventors and work hard at our lessons.
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Teaching Time
【课时】
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Five periods
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Period 1
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Section A(1a－2d)
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Period 2
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Section A(3a－4c)
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Period 3
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Section B(1a－1e)
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Period 4
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Section B(2a－2e)
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Period 5
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Section B(3a－3b) & Self Check
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