重庆市第三十九中学九年级英语上册 Unit 6 When was it invented？Period 2学案（无答案）（新版）人教新目标版

Unit 6 When was it invented ?（2）Section A 2a-2c 学习目标1.掌握本课单词、短语、句型 Who was it invented by? What are they used for?2. 掌握一般现在时态被动语态的构成和运用3.能听懂含有一般过去时态被动语态的简短对话。4.能运用一般过去时态被动语态谈论历史上的明。 课前探究1、认真拼读下面单词和人名heel /hi:l/ n. 鞋跟；足跟 p.42electricity /ilektristi/ n. 电；电能 p.42 scoop /sku:p/ n.勺; 铲子 p.42style/stail/ n. 样式; 款式 p.42Chelsea/telsi/ Lanmon /lnmn/切尔西 兰曼p.42Jayce /deis/ Coziar /kuzia:/杰斯 克里亚p.42Jamie /deimi/ Ellsworth /elzw:(r)/杰米 埃尔斯沃恩p.42 Julie /du:li/ Thompson /tmpsn/朱莉 汤普森Whitcomb /witkm/ Judson /ddsn/惠特科姆 贾德森p.42 预习交流 检查各小组完成情况，并给出评分。 互助提升1. 翻开课本P42放录音一遍，完成2a，2b的听力任务。2. 再听录音一次，填空Alex: Hi, Carol. Wow, what are those?Carol: Hello, Alex. Oh, these are some of the interesting that Im writing about for my English homework.Alex: I seeWhats that, then?Carol: Theyre shoes with . People use them for seeing in the dark when you get up at night.Alex: Oh, thats a cool idea! I always hit my toe on something on the way to the bathroom at night. Carol: Next is a ice-cream scoop. This is my favorite invention. It runs on electricity and becomes hot.Alex: I know what its for! Its used for serving really cold ice-cream.Carol: Yes, thats right! The last invention Im going to write about is shoes with special . You can move the heels up and down.Alex: What are they used for?Carol: Well, you can change the of your shoes. You can raise the heels if you are going to a party or lower them if you are just going out for .3. 大声朗读听力材料。体验成功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。【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。【例句】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 意为“被使用”，介词by后面接动作的执行者【例句】 Tractors are used by the farmers. 农民使用拖拉机。【课堂变式】1. 在中国英语作为外语来使用。_2.教师用粉笔。_3.毛衣是用来保暖的。_ 快乐心得我帮助了_同学说_。_同学帮助我学会了_.我在课堂上与同学对话_次。我对我在课堂上的_（表现）感到满意。本堂课我还有_不懂。 拓展延伸 一、 根据括号内的要求改写句子。1.They were invented by Julie Thompson. (改写否定句) They _ _ by Julie Thompson.2.Cai Lun invented paper.（改为被动语态） Paper _ _ _ Cai Lun. 3.Some clothes were given away to charity by me.（改为一般疑问句，并作肯定回答） _ _clothes given away to charity by _? Yes, _ _.4.The car was invented in 1885.( 对划线部分提问) _ _ the car invented?5.We used it to scoop ice cream. (改写同义句) _ _ _scooping ice cream by us. 二、 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。What 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.三、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 invented 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?