【学习重点】一般过去时的被动语态 【学习难点】不规则动词的过去分词 【预习案】 学法指导 1．根据音标拼读单词并牢记，根据图片预测听力内容。
2．阅读理解对话并在文中勾画出生词和短语，完成预习自测题目。
3．将预习中不能解决的问题标注出来，并填写到后面“我的疑惑”处。4.15分钟独立完成。
I．预习导学 一、词汇精粹 学习建议仔细阅读听力题，找出重点单词、短语和句型。
在听力材料中勾画出单词、短语、句型和交际用语，并结合语境猜其含义。
j．invent ________ 2．calculator ________ 3．Scoop__________ 4．adjustable _________ 5．be invented ___________6．Battery_____________ 7．operate ____________8．slipper ______________ 9．heat______________ 10．be used for ___________ 二、听力预测 1．牢记单词，扫清听力障碍。
2．看1a上面的图片和人物之间的对话，猜一猜 What do you think they are talking about_______ A．Inventions． B．The old days． C．Clothes． 三、语法聚焦 预习Grammar Focus，你能总结其中的规律吗 It was invented in 1885．它被发明于1885年。
They were invented by它们是由发明的。
They’re used for seeing in the dark．它们是用来在黑暗里照明的 Ⅱ．预习自测 完成下列句子 l.The calculator was_____________ before the computer． 2.Tile machine is ___________ for washing clothes． 3．I like shoes ________ adjustable heels． 4.Edjson had more than 1，000 _________ in his life． 5．一一 _______ was the table made -----Last week． 6. ________the ice cream out，please． 7．How did you go to work this morning I rode the battery_________ bike． 8．它是用来改变鞋的样式的。
It’s used ______ changing the style of the shoes． It’s _____ _______ change the style of the shoes． 请将预习中不能解决的问题写下来，供课堂解决。
____________________________________________________________ 【探究案】 导入新课 What inventions were made in China When was it invented Who invented it I．洗耳运动 听1b和2a，完成下列小题。
IWhen was the telephone invented _________ A．1n 1876． B．In 1885． C．In 1927． 2Did the woman have handheld calculators and personal computers when she was a kid _________ A．Yes,she did．B．N0，she didn,t． C．Yes，she was． 3What are ba ttery-operated slippers used for __________ A．Scooping really cold ice cream． B．Seeing in the dark． C．Changing the style of shoes． 4The shoes with adjustable heels can make the shoes go from _______ to _________ ． Ⅱ．角色表演 教学建议老师给学生3分钟时问通读听力材呈现的体系，发挥想象力。熟记材料中重要语句，然后灵活运用对话所学习建议-疯狂朗读对话及听力材料，熟练掌握某物被发明方式，然后两人一组表演对话。主题要求没有发明创造世界就会停滞不前，你知道我们的日常生活用品发明的时间吗过去的生活怎样呢利用本节课初步掌握的知识点表演一个对话吧 提示 1．Life must have been difficult when your grandfather was a kid． 2．The telephone was invented in 1876． 3．When was the TV invented Ⅲ．质疑探究---------质疑解疑、合作探究 1．invent v.发明；
创造 1Thomas Edison invented the light bulb．He was a great inventor 托马斯爱迪生发明了灯泡。他是位伟大的发明家。
2It’s a most useful invention．这是一项极其有用的发明。
3Recently they have discovered a comet．最近他们发现了一颗彗星。
4How can I find out more about the UN 我怎样才能更多地了解联合国 思考 1invent的名词形式_________，意为“发明”，___________意为“发明者”。
2若表示科学上的新发现则用___________ ；
通过观察、探索而发现事实的真相用________ 2．by Who was it invented by它是由谁发明的 1This novel was written by Lu Xan．这本小说是鲁迅写的。
2Sit by me，please．请在我旁边坐下。
3Can you finish your homework by tomorrow 你在明天之前能完成作业吗 思考通过例子分析by的用法 1_________________________ 2__________________________ 3__________________________ 3．be used for与be used as辨析 1What are they used for 它们被用来做什么 2Knives are used for cutting things． 刀子是用来切东西的。
3The house is used as a hotel．房子被用作宾馆。
思考be used for意为“___________” ，介词for在此表示用途 ，其后接_______._________________意为被用作_ 即时练习 1．All the ination except these two pieces ______ writing the article． A．have been used to B．has been used to C．have been used for D．has been used for 2 ----How do you learn English SO well ---- _______ chatting with my uncle in America online． A．For B．By C．In D．With 3．Thomas Edison many useful things． A．invention B．inventor C．invented D．discovered 4.I think the calculator _______ ______ before the computer．我认为计算器是在电脑之前发明的。
思考1这是一个__________ 句，think后面跟了_________ 分析主从句的时态 主句用了__________时态_，从句根据用了________时态。
2the calculator与invent是________关系，计算器被发明，因此用__________。
一般过去时的被动语态 1． 一When was the car invented一It was invented in 1885．汽车是什么时候发明的它是1885年发明的。
由例句可以总结出，一般过去时的被动语态的结 构______________________________ 2．Was it invented in 1885 它是在1885年被发明的吗 一般疑问句的构成是将_____________提前。
3．Who were they invented by它们是由谁发明的 When was the ear invented汽车是什么时候发明的 思考其特殊疑问句的构成是 ____________________________________________________ 即时练习 A单项选择 1．A sports meeting ________ in our school last week． A．hold B．held C．is held D．was held 2．Many scientists ________to the meeting． A．invited B．has invited C．were invited D．invite 3.The new computers_________to the village school as presents last month． A．are given B．gave C．given D．were given 4 -----When______this kind of computer______ --------Last year． A．did；
use B．was；
used C．is；
used D．are；
used B用所给词的适当形式填空 1．His car ____________findagain yesterday． 2．Their house ______________buildin 2020． 3．This is an old film．It ____________ make in 1949． C把下列句子变成被动语态 1．