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Unit 9 When was it invented版班级： 座号： 姓名： 学习小组长评价和签字完成订正签字课题：Unit 9 When was it invented?第一课时The first period (Section A 1a-Grammar Focus)一、学习目标(一）知识目标：使学生理解、应用有关发明史话题的短语、句型。(二）能力目标：使学生学会简单的介绍发明史。(三）德育目标：使学生了解发明史，更加热爱科学，热爱创造发明。学习重点:重点单词：invent，calculator，slipper，electric 重点词组：be invented by， be used for doing sth， see in the dark重点句型: When was/were invented? It was /They were invented in （发明时间） Who was/were invented by? It was/They were invented by(发明者) What are they used for? Theyre used for doing(用途. 学习难点: Who was/were invented by? It was/They were invented by(发明者) 学习过程：一、检查课前预习：教学以上重点单词、词组及句子 ，完成重点词组汉译英检测1. 被发明_ 2. 被用来_3. 在1876年_4. 在电脑（发明）之前_5. 被贝尔发明_6. 照明 _根据情景提示完成句子:1.你想知道小轿车是什么时候发明的，你会这么问：_2.你想说电动拖鞋是被用来在黑暗中看东西的，你会这么说：_3.你想问电脑是被谁发明的，你会这么问：_4. 朋友问你电灯是谁发明的，你会这么回答：_ 5. 你告诉同学电话是1976年发明的，你会这么说：_ 二、课堂活动：1.听1b 录音填写表格，并补全句子。When18671976TVCalculatorInventionsCar2. 听2a、2b 录音在横线上填入适当的词，每空一词：A: Look at those battery-operated slippers. What are they used for ? B: They are used for _ in the dark.A: Oh, thats cool! Who were they invented _?B: Julie Thompson. And this heated ice cream scoop is used for scooping _really cold ice cream.A: Right. It was _ by Chelsea Lanmon.B: My _ are those shoes with adjustable heels. You can move the heels up and _. 三、课堂探究 生活中有很多和我们息息相关的发明物，请根据下面表格提供的信息，写一篇作文向大家介绍以下发明。要求：1.用被动语态描述。2.内容包括：该物品的发明时间、地点、发明人、用途.InventionsWhenwhoUsed forCar1885BenzTraveling from one place to another TV1927BaridHaving funCamera1839DaguerreTaking photos_ _学习小组长评价和签字完成订正签字厦门五中20132014学年上学期2011级英语学科教学案班级： 座号： 姓名： 课题：Unit 9 When was it invented?第二课时The second period (Section A 3a-4 Group work）一、 学习目标（一）知识目标：使学生掌握并会应用相关话题的词汇和句型。（二）能力目标：使学生学会描述最喜欢或最不喜欢的一项发明。（三）德育目标：使学生学会认真观察生活，发现、观察身边的发明、创造。二、学习重点和难点学习重点:1、重点词组：helpful /annoying invention；an alarm clock; light bulb ;microwave oven 2、重点句型（1）A：What do you think is the most helpful invention? B：I think the most helpful invention is the light bulb.（2）Id like to have a radio because I could listen to music all day.学习难点:教会学生 陈述某项发明的利弊及原因。教学过程：一、检查课前预习教学以上重点单词、词组及句子 ，完成重点词组汉译英检测1. 最有用的发明_2.最恼人的发明_3.微波炉_4. 闹钟_5.灯泡_6. 在一座小岛上_ 7.独处_8.最好做_根据情景提示完成句子:1.你想知道朋友认为什么是最有帮助的发明，你会这样问：_2.朋友问你为什么灯泡是最有用的发明，你会这样回答：_3.朋友问你什么是最恼人的发明，他会这样问：_4. 你想知道电话是什么时候发明的，你会这么问：_5. 你想问微波炉是被谁发明的，你会这么问：_I 二、课堂活动：1.根据对话内容，填上适当的单词，每空一词：1. A: What is this? B: It is an _. A: What is it used for? B: It is used for _people up.A: Do you think it is _?B: Yes, it always wakes me up. But sometimes it is _when I want to sleep.2. 小组活动，用多种答案填写表格InventionWhat do you think of it?What can it be used for?CarComputerMobile phones课外拓展写作：生活中，发明无处不在，请以My favorite invention为题，介绍一项你最喜欢的发明，并说明喜欢的理由，以及它如何影响你的日常生活。要求1.该物品的发明史 2. 喜欢的原因 3.影响你的生活_厦门五中20132014学年下学期2011级英语学科教学案班级： 座号： 姓名： 学习小组长评价和签字完成订正签字课题：Unit 9 When was it invented? 第三课时The third period (Section B 1-3a）一、 学习目标（一）知识目标：使学生学掌握、运用相关话题的词汇、句型。（二）能力目标：使学生学会描述发明史。（三）德育目标：使学生了解茶的发明史，学会细心观察生活，处处有发明。二、学习重难点重点词汇：by mistake/ accident, in a bad mood, according to, fall into, salty enough, make sb. happyin this way,sprinkleon, in the end; a chef called George重点句型：-How was tea invented? -Tea was invented by accident. Chocolate tastes sweet . Tea was discovered over three thousand years before that.教学难点：notuntil 的用法学习过程： 一、课前预习：预习课本P37, 翻译下列短语和句子。1.错误地_2.心情不好_3.落入_4.发出宜人的气味_5. 14.更喜欢A更不喜欢B _6.撒.在.上_7. 一个名叫George的厨师_8最后_9. 你想知道茶是怎么发明的，该怎么问：_10. 你要说茶是偶然发明出来的，该怎么说：_11. 你想知道茶是什么时候被发现的，该怎么问：_12. 你想说茶是在那之前的三千年发现的，该怎么说：_13. 你想知道茶是由谁发现的，该怎么问：_14. 你想说茶是由神农发现的，你会说：_二、课堂活动（一）听2a,2b对话录音，完成表格填空，每个一词。The history of potato chipsWho were they invented by?By a _ called George Crum.How were they invented?They were invented by _How did they taste?They tasted really _. (二)听3a 短文录音，完成表格填空，每个一词。TeaWho was it invented by?Tea was invented by an _ Chinese emperor.When was it discovered ?It was discovered over _ thousand years ago.How was it invented?It was invented by _.What fell into the water he was boiling?Some _ from a nearby bush .How did the leaves change ?The leaves in the water produced a _ smell.What does it become today?It becomes the most _ drink in the world.三、课外拓展段落编写：bike, invent, most, like, because 编写一段合理的短文，50词左右，并用下波浪线划出所给单词。_
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