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1、导学案Unit 9 When was it invented?Period 1 Section A 1a-2c学习目标知识目标:口头及书面掌握以下句型:A: When was the telephone invented?B: I think it was invented in 1876.A: What are they used for?B: Theyre used for seeing in the dark.A: Who were they invented by?B: They were invented by Julie Thompson.熟练掌握以下词汇: invent，heat
2、，calculator，scoop，adjustable，heel，operate，battery，slipper技能目标：1.正确运用被动语态谈论重要发明的历史和用途。 2.掌握一般过去时态的被动语态由was/were+过去分词构成。学会单词invent, heat 以及be used for 的用法。情态态度：通过学习我们周围经常使用的发明物的历史来开阔眼界，丰富自己的阅历，使自己养成勤于思考、善于总结的好习惯。课前准备1.根据自己的兴趣，通过上网，查书籍等形式，查找自己认为最有用的发明资料，拿到课上与同学分享。2.你知道多少有关这几项发明的情况？学习过程：Before listening
3、1.检查并交流预习情况。可用下面的语言结构交流：Whats the most useful invention? Its2.观察1a中的发明，你认为这些发明的先后顺序是怎样的？标出序号。用下列句型谈论：A：I think the calculator was invented before the computer.B: Well, I think he calculator was invented after the computer.While listening模块一1.观察1b中的图片，听录音，回答问题：What are they talking about?2.听录音，把这些发明与
4、其发明的时间对应起来。3.再听一遍录音，选择方框中合适的短语完成下面的对话。a. have many modern inventions b. need to take a history class c. in those days d. couldnt afford one e. were inventedGirl: Life must have been difficult when you were a kid.Woman: Oh, not really. Why do you say that?Girl: Well, you didnt . Like, you probably di
5、dnt have a telephone, right?Woman: Of course we did! How old do you think I am? The telephone was invented in 1876.Girl: How about cars? I bet cars werent invented yet.Woman: Sure they were. Cars were invented in 1885. My family had a car. I think you ，Alice.Girl: Ha, ha! Well, did you have a TV?Wom
6、an: No, we didnt. The TV was invented around 1927, I think. Some friends of mine had one .But ,TVs were really expensive, and we u.Girl: And I bet you didnt have calculators and computers and stuff. Thats something I do know. We learned in school that hand-held calculators were invented in 1971 and
7、personal computers in 1976.Woman: Youre right. I didnt have those things when I was young. But I do now!4. 跟读，模仿语音和语调。5. Pairwork:用1b中的内容进行对话，可参照下面的语言结构：A：When was invented? B: I think it was invented in .模块二1.观察2a中的图片，快速浏览2a中给出的描述。2.听2a 的录音，按你听到的顺序标出序号。3.快速浏览2b表格中的内容，听录音，把三栏的叙述连线。4.再听一遍录音，选择合适的单词完成
8、对话。a. Heated b. slippers c. used for d. style e. adjustable f. scoopingBoy: What are hose? Girl: Theyre battery-operated . Boy: What are they used for?Girl: Theyre seeing in the dark.Boy: Oh, thats cool! Who were they invented by?Girl: Julie Thompson. And look at this ice cream scoop.Boy: I know wha
9、t its for ! Its used for out really cold ice cream.Girl: Right. It was invented by Chelsea Lanmon.Boy: My favorite are those shoes with heels. You know you can move the heels up and down. They were invented by Jayce Coziar and Jamie Ellsworth.Girl: And what are they used for?Boy: Well, you can chang
10、e the of your shoes. You can make the shoes go from casual to dressy.跟读，和同伴分角色朗读听力中的对话。观察与思考：通过刚才的听力训练，我们来总结一下：be used for 意为“被用来做”，介词for表示目的和用途，后面接 或 。例如：knives are used for 。刀子是用来切东西的。练习：翻译句子（1）它用来在黑暗中照明的。 （2）钢笔是用来写字的。 。After listening1.Pairwork: 用2b表格中的信息编对话。谈论时可借助如下对话形式：A： What are they used for
11、? B: Theyre used for seeing in the dark.2.Groupwork:以小组为单位,谈论同学所展示的最有用的发明用下面的语言结构：Whats the most useful invention? Who invented it?When was it invented? What is it used for?The most invention is . It was invented in by And it is used for知识巩固用所给动词的适当形式填空。1.Do you know when the computer ( invent)?2.Wh
12、en the Great Wall (build)?3.This machine is used for （make） fresh air.4.The pencil is used (write) and drawing .5.Workers are made ( work) for about 12 hours a day in this factory.按要求改写下列句子。The helicopter was invented in 1990 (对画线部分提问) _ The helicopter _ ?Someone turned down the television just now
13、.(改被动语态)The television down just now.English is spoken as a second language in many countries.(改为主动语态)People as a second language in many countries.The glass is used for keeping water hot.(改主动主动语态)They the glass keeping water hot.课堂反思 谈论自己感兴趣的发明时，需要用到配齐所学的哪些句型？ 通过本节课的学习，你还有哪些哪些知识没有掌握？请做出标记。家庭作业： 你在课
14、堂反思中发现了哪些问题？请对照本课的学习目标，有针对性的梳理、记忆本果语言知识。Period 2 Section A 3a-4学习目标: 知识目标:口头及书面掌握以下句子:A: What do you think is the most helpful invention?B: I think the most helpful invention is the light bulb.A: Why is that?B: Well, it gives people more time to work and play every day.A: Id like to have a radio because I could listen to music all day.B: Yes, but thats not going to help you leave the island. I think it would be better to have理解以下词汇：light bulb, microwave oven, the most helpful.技能目标：1.能用句型What do you think is t
