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Unit 6 When was it invented?

类别 单元话题 单元语法 教学目标 ①—When was the telephone invented？ —I think it was invented in 1876. ②—What are they used for? —They are used for seeing at night. 2.能谈论物品被发明的时间、发明者，表达某发明的用途。 3.了解一些近现代发明的时间及用途，激发自己热爱发明的情感。培养学生善于观察事物，面对难题，用积极的态度去解决，发挥想象力，认识世界，改造世界，拥有强烈求知欲的素养。 课程标准要求掌握的项目 In this unit, students learn to talk about the history of inventions. Passive voice (past tense) 1.能掌握以下句型： 学情分析 本单元话题是发明，学生们对发明不太熟悉，因此教师在讲前应普及下有关发明的知识。在畅谈发明话题时自觉运用被动语态的过去时态。

第一课时 Section A(1a～2d) 教学设计 知 识 目 标

类别 重点 单词 3.daily adj. 日常的，每日的 4.mention v. 提到，说到 5.list v．列表，列清单n.名单，清单 重点 词组 2.hot ice-cream scoop 热的冰淇淋勺子 3.run on electricity 电动的 4.be used for被用作 5.such a great invention 如此了不起的发课时要点 1.style n．样式，款式 2.pleasure n．高兴，愉快 1.shoes with special heels特殊后跟的鞋子

明 6.our daily lives我们的日常生活 7.have a point有点道理 8.with pleasure 愿意效力 重点 句式 我认为电视是在轿车之前发明的。 2. —When was the telephone invented？ —I think it was invented in 1876. ——电话是什么时候发明的？ ——我认为电话是在1876年被发明的。 3.—What are they used for? —They are used for changing the style of the shoes. ——他们可用来做什么？ ——他们可用来改变鞋子的样式。 4.The zipper was invented by Whitcomb Judson in 1893.But at that time, it wasn't used widely. 拉链是由Whitcomb Judson 在1893 年发明的，在那时它并没有得到广泛应用。 课 堂 环 节

§自主学习案 翻译下列词组。

1．特殊后跟的鞋子 shoes__with__special__heels 2．热的冰淇淋勺子 hot__ice-cream__scoop 3．电动的 run__on__electricity 4．被用作 be__used__as

5．学校项目的课题 the__subject__for__my__school__project 6．我们的日常生活 our__daily__lives 7．有点道理 have__a__point §课堂导学案

Step 1 准备与热身(Preparation)

展示一些近代发明的图片与近代发明的发明者，让学生们将图片与发明者相连。 T: Do you know what these inventions are? S1: It's a car.

S2: It's a telephone. S3: It's a television.

T: Do you know who these inventors are? S1: Karl Benz.

S2: Alexander Bell. S3: J．L.Baird.

1.I think the TV was invented before the car.

Let students match the inventions and the inventors. Step 2 呈现与输入 (Presentation) 1．要求学生翻开课本P41，迅速阅读1a部分的内容。并按要求完成课本上相应的任务： Number the pictures.(1分钟)

2．检查答案，先要求全班一起给出答案并检查讨论。

3．要求学生听第一遍录音，并完成课本上1b的听力任务： Listen and match the inventions with the years.Check their answers: 读出序号－读出年份－读出完整的句子。(2分钟)

4．要求学生听第二遍录音，并逐句进行跟读。(2分钟)

5．完成教材1c的任务，要求学生模仿1a内容，进行对话练习。并邀请2－3对同学当堂进行演示。(3分钟)

6．小结训练。要求学生在规定的时间内完成一个小练习。并请若干学生给出自己的答案。有错误的及时解决纠正。(2分钟)

用所给单词的正确形式填空。

1．When was the telephone invented (invent)?

2．The computer can help(help) us do math problems. 3. In those days, the woman couldn't afford (afford)a TV because they were really expensive.

4．A friend of mine (I) came to see me last week. 5．I think you need to__take (take) a history class. Step 3练习与体验 (Practice)

1．要求学生翻开课本P42。播放录音一遍，完成2a，2b的听力任务，然后个别检查，统一核对答案。(2分钟)

2．要求学生听第二遍录音，并逐句进行跟读。(2分钟)

3．听力内容巩固训练。要求学生根据所听到的内容完成下列各句。完成后要求若干学生给出自己的答案。以巩固对听力内容的了解。(4分钟)

The battery-operated slippers are used for seeing in the dark.They were invented by Julie Thompson.This heated ice-cream scoop is used for scooping out really cold ice-cream.The shoes with adjustable heels are used for cleaning the style of your shoes.

4．大声朗读听力材料。(1分钟) Step 4 运用与生成 (Production)

1．放下听力材料，要求学生模仿听力内容，利用2a，2b的信息分角色进行对话练习。然后邀请2－3对同学当堂演示。看哪一对的表现最佳。(5分钟)

2．播放2d的对话录音，让学生跟读，模仿并理解大意。然后让学生分角色朗读并表演2d的对话。(5分钟)

3．对话内容巩固训练。要求学生根据2d对话的内容完成短文。完成后要求若干学生给出自己的答案。以巩固对对话内容的了解。(4分钟)

Last week, Roy saw a website,__it says the zipper is one of the greatest small inventions that changed the world.It mentioned that the zipper was invented by Whitcomb Judson in 1893.But at that time, it wasn't widely used.Paul thinks he do seems to have a point.The zipper is really such a great invention and it's used in our daily lives very often and everywhere.

Step 5 巩固与提高(Progress)