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　　Unit 9   When was it invented?
　　I．Learning objectives 教学目标
　　Skill
　　Focus ▲Talt the history of inventions
　　▲Write and read about inventions
　　▲Learn to remember information using mind-mapping
　　▲Learn to use imagination to invent things to deal with problems and do role plays
　　Language
　　Focus  
　　功能句式 Talt inventions(P68-70)
　　When was (the telephone ...) invented?
　　I think it was invented in ...
　　I think (the telephone ...) was invented before / after ...
　　Who was it / were they invented by?
　　It was / They were invented by ... What is it / are they used for?
　　It is / They are used for ...
　　What do you think is the most helpful / annoying invention?
　　I think the most helpful / annoying invention is ...
　　词汇 1. 重点词汇
　　invent, mistake, ancient, produce, pleasant, pie, throw, century, notice, including, knock, basket, metal, below, towards, develop, risen
　　2． 认读词汇
　　scoop, adjustable, heel, battery, operate, slipper, bulb, light bulb, microwave, microwave oven, crispy, salty, sour, chef, sprinkle, beverage, according, legend, boil, bush, remain, flying disk, bakery, Bridgeport, Connecticut, lemon, cookies, abacus, binoculars, rank, indoors, create, wooden, divide, aim, hoop, shoot, backboard, guide, court, Berlin, popularity, worldwide, association, equipment
　　3． 词组
　　be used for, by mistake, in the end, by accident, according to, fall into, in this way, knock into
　　语法 The Passive Voice:
　　1. When was / were ... invented?
　　2. Who was / were ... invented by?
　　3. What is / are ... used for?
　　Strategy
　　Focus 1. Brainstorming
　　2. Role playing
　　Culture
　　Focus The history of chips which are popular with westerners.
　　The invention of tea.
　　II. Teaching materials analyzing and rearranging 教材分析和重组
　　1. 教材分析
　　本单元以Inventions为话题，共设计了四个部分的内容