1、Unit 6 When was it invented？Section B (1a-1e)【学习目标】1、学习的任务和目标：1) 学习和掌握词汇：crispy, salty, sour, by mistake, customer,2) 熟练运用句型：Potato chips were invented by mistake.The customer thought the potatoes were not thin enough.Finally he put lots of salt on them so they were salty enough.3) 能用一般过去时的被动语态谈论物品是
2、何时被发明的。2、学习的重点:1）掌握本课时词汇。2）学会用一般过去时的被动语态谈论物品是何时被发明的。3、学习的难点: 巩固一般过去时的被动语态的用法。【学习过程】Step 1: 自主学习-明确目标 自学文本1. 请同学们课前上平台阅读思考本节导学案，明确本节课的学习任务和目标。2. 对照课本后面第一单元的单词表（162 页 P45）跟读单词录音。要求：根据录音及单词音标，首先会读单词接着边读边写记单词，注意中英文的转换，最后默写单词。3. 独立认真地预习（第 45 页）面的课文。要求：阅读课文，把不理解的短语，句子用红笔做上记号。4. 在线上对照导学案本课时完成探究归纳部分的预习。5. 请
3、大家带着问题自学本课时的两个微课视频。Step 2: 自学检测-在线测学 质疑思学1. 学生独立完成导学案上的自学检测。2. 学生在线上提交客观题的答案。3. 对照正确的答案对错题进行反思，质疑。1. 通过自学完成下列任务：自学检测题：I. 翻译下面单词或短语。脆的 甜的 咸的酸的 错误的；无意中最后 把撒在的上面 煮了很长时间II. 预习 P37，翻译下列句子。1.薯条是无意中被发明的。2. 乔治想使顾客高兴。 3. 顾客认为土豆不够薄。4. 薯片是一个名叫乔治克拉姆的厨师发明的。2. 通过平台核对答案并纠正错误的答案和浏览解析。Step3: 自展提升-合作探究 展示交流通过老师和同学的一起
4、合作交流，解决学生自学中的疑问【知识探究】知识点一Potato chips were invented by mistake.by mistake 意为“_”They sent the letter to me by mistake.拓展：mistake 作名词 “错误，误会” 。也可以作动词 “弄错，犯错” 。常用短语有：make a mistake 出错You have made a mistake here.mistakefor 错把当作 They mistook him for his brother.知识点二salty 咸 的salty 形容词，意为“咸的；含盐的” ，是由名词_加后
5、缀-y 构成的。The soup is a little salty for me.汤对我来说有点咸了。拓展：名词+后缀-y 构成的形容词：lucklucky healthhealthy windwindy rainrainytaste tasty ice icy snow snowy sunsunny知识点三in the end 最后，终于 (相当于 _ 或 _)I was saved in the end.我最后获救了。注意：at the end of 可以指时间，也可指处所，意为“在尽头，在结束时” 。Step 4: 自评巩固-自主测评 当堂巩固1. 独立认真完成自评巩固训练。 （纸质学
6、案上完成）2. 线上提交当堂测评客观题答案。3. 对照上传的解析，弄清错题原因，掌握正确的解题思路及方法。4. 在线下在纸质学案上订正。5. 下课后将纸质学案交给老师进行批阅。【随堂检测】一、选择合适的词填空salty , sweet, mistakes, thin, called1.Eating too much food is bad for your teeth.2.There is a basketball star Lin Shuhao in the NBA. Many basketball fans like him.3.If you arent careful enough, y
7、oull make some in your homework.4.Dont add salt any more, its so that we cant eat.5.The ice is too .Its dangerous to skate on it.二根据句意或首字母填上合适的词或短语1-Is the dish (salt ) enough? -Yes, it is.2. I took your pen .( 错误地)3. He got back home .(最后)4. Im heavier than Jim means Jim is t _ than me.5. My father
8、 works as a c _ in a restaurant.三选择题( )1.The customer was happy_.A. by the end B. in the end C. at the end D. on the end .( )2.They were made _day and night those days.A. work B. worked C. to work D. works( )3.Wang Xue has a friend Lin Yu.A. call B. calling C. called D to call( )4.Where did you go l
9、ast night?-I _ to go to Li Leis birthday party.A. asked B. am asked C. was asked D. have been asked( )5.Who potato chips by?-By George Grum.A. did; invent B. are; invented C. was; invented D. were; invented( )6. The girl thought she was not , so she didnt eat breakfast every day.A. thin enough B. en
10、ough thin C. heavy enough D. enough heavy( )7. Jack_ leave _his teacher comes back.A. doesnt; until B. /; until C. wont; / D. wont; until( )8. I took the wrong train _, I didnt even know it until half an hour later.A. by mistakes B. by mistake C. with mistake D. with mistakes参考答案一、1.sweet 2.called 3.mistakes 4.salty 5.thin二、1.salty 2.by mistake 3.in the end 4.thinner 5.cook三、BCCCD ADB
