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Unit 6　When was it invented Section A (1a-2d)
教学课题 Section A (1a-2d)
核心 词汇 Important words:style,pleasure,daily,website,pioneer,list,mention Important phrases:shoes with special heels,hot ice-cream scoop,runs on electricity,be used for,daily lives,have a point
核心 句式 1.—When was the telephone invented —I think it was invented in 1876. 2.—What are they used for —They are used for seeing in the dark. 3.For example,it mentioned that the zipper was invented by Whitcomb Judson in 1893.
技能与策略 学习要点 1.能够用一般过去时的被动语态描述和询问某物发展史。 2.通过了解一些近现代的发明,激发学生热爱发明的情感。
教学 重难点 1.掌握询问发明时间及用途的基本句型。 2.运用一般过去时态的被动语态来讨论某项发明的发明时间及用途。
教学过程
◆Step 1　Leading in Teacher:Good morning∕afternoon,boys and girls.This class we will begin a new unit about inventions.You can see inventions all around us,from TV to car,from food to clothing.It's true that nobody can live well without them.Don't you think so Ss:Yes. T:We live in a world of inventions.These inventions make our life easier and more comfortable.Please look at these things.(Show some pictures on the screen.)And when were they invented Students: ...was invented in... 设计意图通过课前的一个师生问答互动引入新课话题;通过图片展示和语言描述创设了情境,激发了学生的学习兴趣和表达欲望。
◆Step 2　Work on 1a,1b & 1c 1.1a (1)Now look at the things in 1a.In what order do you think they were invented Discuss them with your group. (2)Number them [1-4]. (3)Ask two students to say their answers. (4)Check the answers. 2.Listening 1b Listen to the tape.The first time,students only listen.The second time,students listen and finish 1b.The third time,check the answers in a group of four,then in class.(
教学过程
　3.Pair work 1c (1)Student B,cover the dates.Student A,ask Student B when the things in the picture in 1b were invented.Then change roles and practice again. (2)Ask three pairs to act their dialogues out in class. 设计意图通过学习1a,使学生对几种重要的发明有所了解,并拓宽了视野;通过1b,锻炼学生的听力及抓取关键信息的能力;通过1c的训练锻炼学生的口头表达能力,同时巩固了学生对本课内容的识记。
◆Step 3　Listening 2a & 2b 1.Learn new words and phrases. 2.Play the tape.The first time,students only listen.The second time,students number [1-3] in the order you hear them.The third time,check the answer in a group of four. 3.Make students understand the meanings of questions in 2b.Play the tape for the fourth time,students listen and complete the chart. 4.Check the answers. ◆Step 4　Pair work 2c Make sure students can understand the meaning of questions in 2c.Read the conversation in pairs.Then ask some pairs to present their conversations to the class. ◆Step 5　Role-play 2d 1.Present a picture of zipper,and learn the background of zipper. 2.Ss read 2d and try to answer the questions. 3.Read the conversation following the tape,and underline the sentences using the passive voice of past tense. 4.Explain some language points of 2d. 5.Read the conversation aloud and act out the conversation in pairs. 设计意图锻炼学生的语言综合运用能力,并巩固学生对一般过去时的被动语态的学习、识记和运用的能力。
◆Step 6　Summary 1.New words and expressions. 2.Sentence structures. ◆板书设计 1.—When was the telephone invented —It was invented in 1876. 2.—What are they used for —They are used for... 3.The zipper was invented by...
◆课堂练习 Ⅰ.用括号内所给单词的适当形式填空 1.The zipper 　　　　(invent) by Whitcomb Judson in 1893. 2.It's my 　　　　(please) to help you with English. 3.Everyone can't avoid meeting some problems in his 　　　　(day) life.
教学过程
4.The Internet is used 　　　　(wide) in our life now. 5.He seems 　　　　(make) some mistakes in his work. 　Ⅱ.根据汉语意思完成句子(每空一词) 1.我认为电视是在汽车之后发明的。 I think the TV 　　　　 　　　　 after the car. 2.你说的似乎的确有道理。 You do seem to 　　　　 　　　　 　　　　. 3.你能帮我想出一个主意吗 Can you help me 　　　　 　　　　 an idea 4.汽车是什么时候被发明的 　　　　 　　　　 the car 　　　　　 5.这个杯子是用来喝热水的。 This cup 　　　　 　　　　 　　　　 　　　　 hot water. Keys:Ⅰ.1.was invented　2.pleasure　3.daily　4.widely　5.to make Ⅱ.1.was invented　2.have a point　3.think of　4.When was;invented　5.is used for drinking ◆Step 7　Homework 1.Review the new language points. 2.Preview the new words of 3a-4c. 3.Writing:观察生活中的物品,它们是由谁在什么时候发明的,是用来干什么的,利用被动语态进行写作。
教学反思 本课时通过启发式教学,在学习了一般现在时被动语态的基础上,学生很顺利地掌握了一般过去时的被动语态的结构;通过听力训练锻炼了学生的听力技能,将听、说的任务结合起来很好地锻炼了学生的语言综合运用能力。本节课很顺利地完成了目标语言。

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