新目标九年级Unit9_学案

第1课时Unit 9 When was it invented ?课题：Section A 1a—1c 主备人：杨菊艳【教学目标】1.Knowing: invent,calculator.2.Understanding:The meaning of the listening contents.3.Practicing:mordern inventions,bet,take a history class,in those days,afford,hand-held.4.Habit-forming:---When was the car invented?---It was invented in 1885.municating:Practise their own cnversations using"was/were+V过分".【重点难点】1.Knowing: invent,calculator.2.Understanding:The meaning of the listening contents.3.Habit-forming:---When was the car invented?---It was invented in 1885.【教学过程】一、自主学习Task1:Learn2a---2b1.Answer some questions,such as:①What will you do on Clean-up Day?______________________________.②Do you have any ideas to tell people about the Clean-Up Day? For example?_______________________________________________________________2.A group of students ar e planning a City Parks Clean--Up Day. They are talking about ways to tell people about the Clean--Up Day.Listen and check the things the students are going to do.Finish 2a.3.Listen to the tape again and fill in the blanks.①We____ to ___ ____ ____a plan.②We can't_____ _____making a plan. Clean-Up Day is only two weeks from now.③I'll_____ _____all our ideas.④We could______ _____signs.⑤I'll ______ _____advertisements after school.⑥We could each_____ _____ten people and ask them to come.4.Role-play the conversation in pairs.Task2:Learn 2cPairwork to role-play the conversation according to 2b.A:We need to come up with a plan.B:Let's have lunch first.A:No,we can't put off making a plan. What should wedo to help homeless people?B:We should_____________________________________________________________.A:_____________________________________________________________.二、合作共建翻译下列句子，注意划线部分的含义①We need to come up with a plan._________________________________.②We can't put off making a plan. Clean-Up Day is only two weeks from now.________.③I'll write down all our ideas.__________________________.④We could put up signs.______________________________.⑤I'll hand out advertisements after school.______________________.⑥We could each call up ten people and ask them come.______________ _______.三、系统总结1.总结need的用法并举例说明①作为实义动词：____________________举例说明________________________②作为情态动词：_____________________举例说明_______________________2.理解由from构成的短语的含义:from now________from now on_______be from___from then on________from---to--_______be different from______be far away from_____come from________hear from______e up with（同义短语）_____hand out（反义短语）____call up（同义短语）___四、诊断评价（一）根据汉语提示完成句子1.I'll help________（清扫）the city park.2.We can't___________（推迟制订计划）.3.I'd like to__________________（鼓舞）the sick kids.4.We're going __________（建立）a food bank to help hungry people.5.You could__________（分发食物）at a food bank.6.We need_________________________（想出）a plan7. These words are all very important. ________________（把…写下来）, please!8.He also_________（张贴）some signs asking for old bikes（二）选择正确答案。

1. Ask him __ come to our party tomorrow. A. not B. not to C. doesn't D. isn't2. It's twelve now. Let's have _____ lunch together.A. a B. an C. the D. x3. It's your turn to _____ the room, Wang Fang.A. clean upB. clean toC. clean-upD. clean off4.这些词都很重要,请把它们记下来. These words are all very important. _____,please!五、达标检测六、课后反思第2课时Unit 9 When was it invented ?课题：Section A 2a—2c 主备人：杨菊艳【教学目标】1.Knowing: scoop; adjustable; heel; battery; operate; battery--operated; slipper;heat2.Understanding:The meaning of the listening contents.3.Habit-forming:---when was the car invented ?--- It was invented in ------ Who was it invented by?--- It was invebted by----- What are they used for ?--- They are used for ---municating:Practise their own cnversations using"was/were+V过分".【重点难点】1.Habit-forming:---when was the car invented ?--- It was invented in ------ Who was it invented by?--- It was invebted by------ What are they used for ?--- They are used for ---municating:Practise their own cnversations using"was/were+V过分".【教学过程】一、自主学习Task1: Talk about the following inventions1. Pairwork: A: When was the telephone invented B: It was invented in 1876A: Who were they invented by? B: They were invented by A: What are they used for ? B: They are used for connecting with each other2 .talk about other two inventions like thisTask2: Learn 2a---2c1.写出下列三项发明的名称shoes with adjustable heel __________battery -operated slippers ___________heated ice--cream scoop___________2. Let the studebts guess what are they used for.3. Listen and finish off 2a and 2b.4. Pairwork talk about the three inventions using" when , who, what"二、合作共建翻译下列句子，注意划线部分的含义①what are they used for ? _________________________________________②It's used for scooping out really cold ice--cream _____________________③You can move the heels up and down ______________________________④You can change the style of your shoes ____________________________.⑤You can make the shoes go from casual to dressy.______________________三、系统总结总结含的结构并翻译下列句子:1.Tom used to wear old-fashsion clothes _________________________________2. Knifves are used to cut things.________________________________________3. My grandfather used to getting up early in the morning.___________________4. Paper is used for writing _____________________________________________四、诊断评价（教师寄语：相信自己，永不放弃）（一）翻译下列句子1.钢笔用来写字_______________________________________________________.2.电话是谁发明的? ______________________________________________________.3.计算机是什么时候发明的?_____________________________________________.4.微波炉是做什么的?__________________________________________________.(二)根据句意及首字母补全单词1.The computer is one of the most important i__________2. f you h_______the ice , it will change into water.3. The tape recorder needs two b_________(三) 根据下面的文字提示,写一篇小短文毛衣, 现在是一种很流行的衣服, 它是一位老人发明的. 它可以用来保暖(keep warm), 但不能用洗衣机来洗( be not washed by a washing machine).______________________________________________________________________________________ ______________________________________________________________________________________ ______________________________________________________________________________________ ________________________________________.五、达标检测六、课后反思第3课时Unit 9 When was it invented ?课题：Section A3a-4 主备人：杨菊艳【教学目标】1. Knowing : bulb light bulb microwave microwave oven2. Understanding: 理解对创造和发明事物表达认识和看法的句子。