【学习目标】1.Key Vocabulary invent, calculator, be used for, adjustable, heel,
battery, operate, slipper, scoop, electric
2.Target Language When was the telephone invented? I think it was invented in 1876. Who were they invented by? They were invented by Julie Thompson.
What are they used for? They are used for seeing in the dark.
【重点难点】1.单词的拼写和使用。2. 新句型的掌握和使用。3. 一般过去时的被动语态的
构成；s +was / were + p.p
1.听力活动：a.Look at the picture and remember the words.
b.Listen to a conversation between a girl and a woman, then match the inventions and the dates.
c.Work in pairs. Then make similar dialogues using the things around them. 听力练习，提高学生口语能力。练习口语的同时，熟悉不同物品的发明年代。
1]invent v发明—inventor n发明家—invention n发明
2),operate v操作，作业 —operation n操作，作业
operate …on …“给…做手术” The doctor is operating on his leg.
3),be used for sth / doing sth“被用来做……”
Wood can be used for making paper . Can knives be used for cutting things ?
4）一般过去时被动语态的构成：主+was /were +v 过去分词+……
陈述句；A new computer was bought by my father yesterday.
否定句；A new computer wasn’t bought by my father yesterday.
一般疑问句；Was a new computer bought by my father yesterday？Yes, it was. / No, it
1、I think the most helpful i__________________(发明)is the light bulb.
2、She does not like eating lemons, for the t______________(味道) is too sour.
3、America was d__________________（发现）by Columbus in 1492.
4、Jack a________（加）sugger but it was not sweet enough .
1、Hello!This is Mrs Read__________(speak).
2、Bill is ____________in the _________________things。(interest).
3、Many old ______________were all_____________long ago.(invent).
4、Why not _______and have a look(go)? 5、She felt _________about her son(worry). 1
【学习目标】掌握下列单词: bulb, light bulb, microwave, microwave oven, 掌握语法知识：了解并掌握一般过去时被动语态的结构及应用。
【重点】1．Talk about the helpful inventions and annoying inventions.
2．Guide the students to discuss their opinions on the inventions.
1. Talk about the inventions in the picture.
2.Make a list of five helpful inventions and five annoying inventions .
3.Discuss their opinions in 3a with their partner.
4.Choose five inventions you would like to have on the island with you.
5.Tell the group what you choose and why, then discuss in a group.
7..知识讲解 a.It is better for sb to do sth “某人最好做某事”it为形式主语，动词不定式为真正的主语.It is better for you to walk to school.=It is better that you should walk to school.
b) be invented in “某物在何时/何地被发明的” Computers were invented in 1976. be invented by “某物被谁发明的” The light bulbs were invented by Edison.
1、This farm grows beautiful flowers.
Beautiful flowers ______ _______ _______ this farm.
2、 They use this room for playing table tennis.
This room ______ _______ for playing table tennis.
3、 We planted these trees in 1979. These trees _______ _______ in 1979.
4、Uncle Wang invented a new machine last month.
A new machine _______ _______ _______ Uncle Wang last month .
5、She looked after the children quite well.
The children ________ _________ after quite well.
6、Do you often clean your room? ______ your room often _______ by you?
7、Lin Ping was ill. His mother sent him to hospital at once.
Lin Ping was ill. He _______ _______ to hospital at once.
8、Everyone likes this song . This song _______ _______ by everyone.
9、Will they show a new film next week? _____ a new film ____ ______ next week ?
10、Have you posted the letter yet ? ______the letter _________ posted yet ?
11,We must plant more trees. More trees _____ _____ ___________ by us.
12, The children are playing basketball on the playground.
Basketball ____ _______ ________ on the playground by the children .
13, At that time you were watching TV.
【学习目标】掌握下列单词: crispy, salty, sour, by mistake, chef, sprinkle
巩固下列句型： 1，be used for …2,It was invented by....
1.演讲者准备好演讲 2.检查作业 3.听写
1.Write the words under the correct pictures
2.2a 2b Listen and circle T or F. Listen again and complete the sentences.
3. Check the answers.
4.Work in pairs. Role play the conversation about the invention of the potato chip. Use the information from 2a and 2b.
1.by mistake “错误地，意外地”I took your bag by mistake.
by accident “偶然地，意外地” We met by accident at the airport.
according to“根据，据……说” According to Mick, it’s a great movie.
2) The history of... “有关.......的历史”The history of potato chips. 3),sprinkled lots of...on / with ... “在........撒......”
4) They were really salty. really 修饰形容词salty. really heavy, really happy, really cold.
1、I think the dictionary is _______ (help)to your study .
2、When ______ the Disney Land _____________(build)?It _____________(build)in 1988.
3、Where ____these dinosaur eggs （恐龙蛋）__________________(discover)?
They _______________( discover )in Sichuan Province .
4、What _____it _______(use )for? It was used for ___________(drink) tea.
5、Where _____salt ____________(produce )?
6、I would like __________(buy ) camera .
7、Maybe it used for _____________(write ) 8、The book is ____________(write ) in English,
9、More than 6,00 languages ______________（speak）in the world now.
10、The watch _____________(give) as a birthday present .
_________________________________________________________________by Julie Thompson.
【学习展示】1.Answer some questions
a.Do you like drinking tea? b.Do you know who invented tea? c. When was tea invented? And how was tea invented?
3..解决疑难 讲解知识点 有学生提问学生回答教师补充来完成
1) remain vi : stay “停留，留下”They all wished us to remain.
remain vi “剩下， 还有”A number of problems remain to be solved.
remain +n / ving / prep “一直保持，仍然处于某种状态“
How can we remain silent on this question?
2) some time“一些时间” I waited for you for some time.
sometime“某时”指将来或过去的一个不确定的时间。I will go to Shanghai sometime next week.
Some times“一些次数” He has been to Beijing some times.
【作业】预习下一课时 写作 3b
4. Answer the questions first ,then discuss in groups to make a list of good things and difficult things about being a basketball players.