重庆市第三十九中学九年级英语上册 Unit 6 When was it invented？Period 1学案（无答案）（新版）人教新目标版.doc

unit 6 when was it invented ?（1）section a 1a-1c 学习目标1、 掌握一些与发明有关的单词和短语，如style, fridge, cookie, by accident, without doubt等。2、 学习一般过去时态的被动语态。3、 培养探究创新意识，锻炼动手实践能力。课前探究 1. 查询中国古代四大发明的相关信息,写出英文名称。火药_ 指南针_造纸术_ 印刷术_ 2. 你还知道哪些发明，请列举出来。_ 预习交流 一. 根据括号内所给的汉语意思写出正确的单词。 1. the washing machine is quite useful in our _(日常的)life. 2. here is a shopping _(清单) for you. 3. the _(款式)makes one laugh. 4. i put the milk and meat in the _(冰箱)。 5. the old man is _(差不多)eighty years old. 互助提升1. 翻开课本p41，迅速阅读1a部分的内容。并按要求完成课本上相应的任务: number the pictures.2. 检查答案，全班一起给出答案并检查讨论。3. 听第一遍录音，并完成课本上1b的听力任务: listen and match the inventions with the years. check their answers: 4.听第二遍，填空。alice: was your life very difficult when you were a kid?grandma: oh, not really. why?alice: well, you didnt have modern inventions like a , right?grandma: of course we did! how old do you think i am? the telephone was in 1876. you need to take a history class, alice!alice: haha! how about ? they werent invented yet, were they?grandma: yes, they were. cars were invented in 1885. my family had a car.alice: well, did you have a tv?grandma: no, we couldnt one. they were expensive in those days. the tv was invented around 1927, i think.alice: well, i know that you didnt have a because we learned in school that personal computers were invented in 1976.grandma: youre right. but i have now!5. 要求学生听第三遍录音，并逐句进行跟读。6. 完成教材1c的任务，模仿1a内容，进行对话练习。 a: when was the telephone invented?b: i think it was invented in 1876.a: when was the car invented?b: i think it was invented in 1885.a: when was the tv invented?b: i think it was invented around 1927.a: when was the personal computers invented?b: i think it was invented in in 1976.体验成功1.invent (v.)发明；创造invent 指发明创造出自然界本来不存在的东西，如工具、方法、手段、汽车、电器、合成材料等。【备课例句】bell invented the telephone. 贝尔发明了电话。smith invented a new teaching method. 史密斯发明了一种新的教学方法。【横向辐射】discover, find, create 1.discover是“发现”的意思，是指发现原来就有而一直没被发现，如发现电、煤、石油等矿藏及新星、星系或科学真理等。columbus discovered america in 1492.1492年哥伦布发现了新大陆。2.find的意思是“寻找”，强调找的结果，并不指发现。ive tried to find another copy but couldnt find one.我试图再找一本，但没能弄到。3.create指有目的地把原材料制成新产品，也指创造出原来不存在的或与众不同的事物。a novelist creates characters and a plot. 小说家塑造人物并设计情节。【课堂变式】根据语境提示，用invent, discover，find或create的形式填空，完成句子。1.when _ the stream engine（蒸汽机） _?2.i cant _ my bike, im looking for it. 3. scientists are now trying to _ if this is possible.4. do you know who_ the plane？5. he _qu