1、年级 Grade 9 科目 English 任课教师 蒋杰 授课时间 1029课题 Unit 6 Section A (2a-2d) 授课类型 New一.教材分析Section A 围绕单元话题“发明” 。介绍我们日常生活中一些常见物品的发明历史。如：电话、电视、拉链、茶叶等。它们被发明的时间。被什么人发明及其作用或发明等内容；从语言结构上，需要学习被动语态的过去时。单元主题由四幅小图组成，呈现的是现代化生活中常见用品。活动 1a-1c 是 Section A 的基础。活动 1a 要求学生使用 I think it was invented before (after)的句型讨论图中发明出现的
2、先后顺序。活动 1b 要求学生通过听力练习验证自己的预测，并将以上发明与时间匹配。听力材料中输了本单元的重要语言结构： When was it invented?It was invented in 活动 1c 则要求学生结伴，用前面的语言结构谈论四项发明。活动 2a-2d 侧重听说互动，是对单元话题的深化和拓展。从结构上，需要学生掌握对发明者和发明用途提问的句型和回答Who was it invented by? It was invented by. What was it(is it)used for? It was (is)used for?从活动安排和内容上，2a 要求学生听对话谈论
3、三项小发明，并按所听顺序为其排序。2b 需要学生学生听懂发明的用途，补全表格。2c 要求学生结伴谈论听力中发明的用途。2d 作为示范性对话，介绍日常生活中随处可见的小发明-拉链，它的发明者、发明时间以及开始被广泛运用的时期等信息。编号：38二.学情分析学生听的能力极差。对一般过去时态掌握不牢，不能正确的使用一般过去时态。表达能力也差。厌学 懒散 缺乏刻苦钻研精神。来源:gkstk.Com知 来源:学优高考网识与技能1.能掌握以下单词： heel, scoop, electricity , style, project, pleasure, zipper, daily, website, pio
4、neer, list, mention 来源:gkstk.Com来源:学优高考网 gkstk2.能掌握以下句型：When was the telephone invented?I think it was invented in 1876. 来源:学优高考网What are they used for? They are used for seeing at night. 3.能谈论物品被发明的时间、发明者，表达某发明的用途。过程与方法1.通过听说训练，提高听说能力。2.使用 I think it was invented before (after)的句型讨论图中发明出现的先后顺序。3.通过
5、听力练习验证自己的预测，并将以上发明与时间匹配。听力材料中输了本单元的重要语言结构： When was it invented?It was invented in 4.呈现本单元的语法被动语态句式。5.对本单元基本语法和基本句式进行口头操练，完成最基本语言输出。6 通过听和说的互动方式巩固、深化和托展本单元话题、语法和句型。对学生进行潜移默化的人文教育。三.教学目标情感态 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。度与价值观培养想象力，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。教学重点1) 本课时的单词、词组和句型，学习运用一般过去时态的被动语
6、态。2) 学会询问发明时间及用途的基本句型：When was the telephone invented? I think it was invented in 1876. What are they used for? They are used for seeing at night.四.教学重点难点教学难点运用一般过去时态的被动语态来讨论发明的发明时间及用途。八.教学过程设计一 导入（启发探究）Dialogue 1:S1: What is this?S2: This is a hot ice- cream scoop. It runs on electricity.S1: What i
7、s it used for?S2: It is used for serving really cold ice cream.S1: Who was it invented by?S2: It was invented by Chelsea Lanmon.Dialogue 2:S1: What are these?S2: They are shoes with lights.S1: What are they used for?S2: They are used for seeing in the dark.S1: Who were they invented by?S2: They were
8、 invented by Julie Thompson.Dialogue 3:S1: What are these?S2: They are shoes with special heels.S1: What are they used for?S2: They are used for changing the style of the shoes.S1: Who were they invented by?S2: They were invented by Jayce Coziar and Jamie Ellsworth.二、自学（自主探究 ）1、认真拼读下面单词和人名三、交流（合作探究
9、）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、. 大声朗读听力材料。5. 放下听力材料，要求学生模仿听力内容，利用 2a，2b 的信息分角色练习对话练习。然后邀请 2-3 对同学当堂演示。看哪一对的表现最佳。四、总结（引深探究 15 分钟）be used for 用来做此短语中的 for 是介词，表示用途，后接名词或动词-ing 形式。【备课
10、例句】An orange is used for medicine. 桔子可以入药。A pen is used for writing. 钢笔用来写字。【横向辐射】be used as & be used by 1. be used as 意为“被用作 ”，介词 as 表示“作为” ，其后一般接名词，强调使用的工具及手段。English is used as the second language in many countries. 英语在许多国家被当作第二语言使用。This room is used as their office. 这人房间被用作他们的办公室。2. be used by
11、意为“被使用” ，介词 by 后面接动作的执行者（宾语） 。English is used by travelers and business people all over the world. 全世界的旅行者和商人们使用英语。3. Tractors are used by the farmers. 农民使用拖拉机。. Pair work (2c)1. Tell Ss to make conversations using the information in 2b. Make a model for the Ss. A: What are the shoes with special he
12、els used for?B: They are used for changing the style of the shoes. 2. Let some Ss make conversations using the information in 2b. 3. See which group does the best. . Role-play(2d) 1. Read the conversations and Let Ss read after the teacher. 2. Explain some new words and main points in the conversati
13、on. 3. Ask Ss to role-play the conversation in groups. X. Language points1. Well, you do seem to have a pointhave a point 有道理e.g. I admit (that) you have a point. 我承认你有理。2. They are used for seeing in the dark.be used for doing sth.表示“被用来 做某事” 。 相当于 be used to do sth.e.g. This computer is used to co
14、ntrol all the machines.这台电脑是用来控制所有机器的。Do you know what this tool is used for?你知道这工具是用于做什么的？3. Think about how often its used in our daily lives.think about 表示“考虑，想起”e.g. He is thinking about travelling in the summer holidays.他正在考虑暑假旅游的事。She was thinking about her childhood days. 她正回想她的童年时期。【拓展有关 thi
15、nk 其它的短语】think of 指“考虑，记忆，记起”如：You think of everything! 你全都提到了。I cant think of his name at the moment. 我一时想不起他的名字。think sth. over 指“仔细想，审慎思考，作进一步考虑”如：Please think over what I said.请仔细考虑我说的话。I want to think it over. 我想仔细考虑一下这件事。think sth. out 指“想通，想出，熟思”如：He thought out a new idea. 他想出了一个新主意。That wan
16、ts thinking out. 那件事需要仔细考虑。HomeworkRecite the conversation in 2d.九.练习及作 业设计完成句子：1.汽车是什么时候发明的？它是在 1885 年被发明的。When _ the car_? It _ _ _1885.2. 带灯的鞋子是什么时候发明的？是去年发明的。When _shoes with lights _? They _ _last year.3. 他们是谁发明的。是朱丽.汤普森发明的。_ were they _ _? They were _ _Julie Thompson.4. 他们是用来做什么的？ 是用来在黑暗中视物的。W
17、hat are they _ _? Theyre used _ _ in the dark.5.我认为电话的发明要早于汽车的发明。 I think the telephone _ _ _the car.选择( )1. Michael Jackson was called the king of pop, wasnt he? Of course. He _ by people all over the world.A. was looked up B. was looked up to C. looked up D. looked up to ( )2. Was table tennis inv
18、ented by the Chinese? No. It in China until the start of the 20th century.A. played B. was played C. didnt play D. wasnt played( )3. Do you know in ancient China? I have no idea. But I know people once used tree leaves to make paper.A. how paper was made B. how was paper made C. what paper was made D. what was paper made
