九年级英语Unit6 When was it invented教案.docx

Unit 6 When was it invented ？ Section A 1a--2d 【教学目标】： 1．学习关于创造的单词。 2．能听懂并能简单地谈论创造史。 3．通过开展小组学习活动，能正确地使用一般过去时的被动语态，了解中美创造史的差异，更好地理解人类创造文化中的瑰宝。 【教学重、难点】 【学习重点】重点单词及短语：style，project，pleasure，daily，have a point，website，pioneer 【学习难点】通过交流表达和听力训练，引入一般过去时的被动语态“was/were＋done〞。 【学法指导】 ?辨析invent/discover/find/find out ①invent意为“创造，创造〞，主要指“通过想象，研究，劳动等创造出前所未有的东西〞，尤指“科技上的创造创造〞。 ②discover指发现或偶然发现本身就存在但未被认识的事物。 ③find强调找的结果，即“找到〞，通常指偶然发现。w w w .x k b 1.c o m ④find out指经过观察，调查，把某事物查出来，意为“搞清楚，弄明白〞。 情景导入　生成问题 T：There are many useful things in the world.They help us a lot in life.(Show some pictures on the screen) Question：When were they invented? Students ____________________________________________________________________ (1)The telephone was invented in 1876. (2)The computer was invented in… 自学互研　生成能力 Task 1　Lets read new words and the phrases. 1．I can read.(我会读)预习以下单词及短语，争取自己能正确拼读。拼读成功后再在课文中把单词及短语标记出来。 style，project，pleasure，daily，have a point，website，pioneer 2．I can write.(我会写) 翻译以下短语： (1)run on electricity 用电驱动的　　(2)be used for 被用于 (3)have a point 有道理 3．I can summarize.(我会总结) 在上一单元我们已经学习了一般现在时的被动语态，你能总结一般过去时的被动语态吗？ 一般过去时的被动语态的结构：was/were＋及物动词的过去分词(＋by)＋其他；其否认形式是在was/were后加not；疑问形式是把was/were放到句首。 4．I can translate.(我会译) (1)他们是被用来做什么的？ What are they used for? (2)这些鞋子带有特殊的鞋跟。 The shoes are with special heels. (3)拉链是由Whitcomb Judson创造的。 The zipper was invented by Whitcomb Judson. 5．I can make conversations.(我会编对话) 你能结合课文内容编写对话，来介绍物品创造的时间、创造者及用途等吗？ 【教学过程】? Free talk to lead in the topic：There are many useful things in the world.They help us a lot in life.(Show some pictures on the screen.)When were they invented?xk|b|1 Task 1 Preview the words on P41－42，read the words by phonetic symbols and mark the new words in the text.Finally finish the tasks in 1a. Task 2 1．Listen to the tape on P41 and finish the listening tasks in 1b.Then students listen to the tape again and finish the tasks in the text. The telephone It was 1.invented in 1876. The 2.cars They were