(共20张PPT)
Unit 6
When was it invented
Section A 2d-GF
Practice
John von Neumann
A: When was the ... invented
B: It was invented in ....
A: Who was it invented by
B: It was invented by ....
A: What is it used for
B: It is used for…
Let’s talk!
When: 1971
Who: John Atanasoff
What: getting information
computer
When: 1885
Who: Benz
What: driving
car
When: 1925
Who: Baird
What: getting information
TV
When: 1876
Who: Bell
What: making phone calls
telephone
Read and check your answers.
Alex: Hi, Carol. Wow, what are those
Carol: Hello, Alex. Oh, these are some of
the interesting inventions that I’m writing about for my English homework.
Alex: I see…What’s that, then
Carol: They’re shoes with lights. People use them for seeing in the dark when you get up at night.
Alex: Oh, that’s a cool idea! I always hit my toe against something on the way to the bathroom at night.
我总是在晚上去卫生间的路上碰到脚趾。
Carol: Next is a special ice-cream scoop. This is my favorite invention. It runs on electricity and becomes hot.
Alex: I know what it’s for! It’s use d for serving really cold ice-cream.
Carol: Yes, that’s right! The last invention I’m going to write about is shoes with special heels. You can move the heels up and down.
Alex: What are they used for
Carol: Well, you can change the style 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 shopping.
靠电运行
上下移动后跟
Read 2d on P.42 and answer questions:
What are they talking about
Why does Roy think it’s a small invention that changed the world
Who was it invented by
When was it invented
When did it become popular
The zipper.
Because it’s often used in our daily lives.
We can see zippers on dresses, trousers, shoes,
bags ... almost everywhere.
It was invented by Whitcomb Judson.
It was invented in 1893.
It became popular around 1917.
The special pen was invented by Miss Liu. It is used for checking homework quickly. Teachers have much homework to check every day, so this pen can make it easier for them to finish the work.
New Inventions Wanted!
a Special Pen
Small inventions
could make our life easier!
Invention Museum
help sb. do sth.帮助某人做某事
think of sth.想到、想起
think about sth.想到、想起
如此伟大的一项发明
seem to do sth.似乎去做
有道理
大约在......年
乐意效劳、非常愿意
一般过去时被动语态：
was/were + 过去分词.
在我们的日常生活中
1. ---Thank you very much ---My pleasure. （不用谢。）
2. I spent a pleasant trip last month.
3. We felt pleased when we heard the pleasant news.
pleasure
pleasant
pleased
adj. （感到）愉快的，满意的（主语通常是人）
n. 高兴，愉快 （不可数）
adj. 令人愉快的（主语通常是物）
Summary
inventions:
fridge, scoop, shoes with special heels, zipper,
-What is it used for It's used for/to...
-What are they used for They're used for/to...
-When was it invented
It was invented in/on...
-Who was it invented by
It was invented by...
Find out the expressions.
think of
with pleasure
such a great invention
in our daily lives
do seem to have a point
the pioneers of different inventions
想出，想起
乐意效劳
一个如此伟大的发明
在我们的日常生活中
确实好像有道理
不同发明的创始者
Interaction
zippers
被动语态 (Passive Voice)
1. 结构: be + done(过去分词).
am / are / is +动词的过去分词
was / were +动词的过去分词
一般现在时的被动语态:
一般过去时的被动语态:
2. 否定句 主语 + was/were + not +过去分词 + (by…)
Rewrite the sentences using the passive voice.
4a
They sold the fridge at a low price.
_______________________________
2. Somebody stole my camera from my hotel room.
_______________________________
3. Where did you take these photos
_______________________________
The fridge was sold at a low price.
My camera was stolen from my hotel room (by somebody).
Where were these photos taken
pron.某人；重要人物
4. The guide warned them not to climb the mountain in bad weather.
______________________________________
5. Different writers translated the book into different
languages.
_________________________________________
They were warned by the guide not to climb the mountian in bad weather.
The book was translated into different languages by different writers.
v.翻译
warn sb. not to do 警告某人不做某事
4b
Complete the sentences with the correct forms of the verbs in the box.
1. You ____________ to the party last night, weren’t you
Why didn’t you go
2. The earthquake happened all of a sudden, but luckily the
villagers _____________to a safe place.
eat like invite tell lock ring break bring
were invited
were brought
突然；猛地
n. 锁 v. 锁住
v.打铃 rang-rung
3. The door ____________ when we arrived, so we
_______ the bell.
4. The students _________ not to eat or drink in class,
but Ruby _________ the rule when she started eating
a biscuit in science class.
5. The cookies ___________by the hungry kids in
less than 20 minutes, and they really ______them.
was locked
rang
were told
broke
were eaten
liked
n.饼干
n.曲奇
4c
Decide whether active or passive forms should be used in these sentences. Write the correct forms in the blanks.
The telephone ___________ (invent) by Alexander Graham
Bell. He __________(born) in 1847. Mr. Bell _________
(work) on the invention of the telephone with Thomas Watson. In 1875, Mr. Bell ___________ (learn) how to send musical notes through an instrument similar to a telephone.
was invented
was born
worked
learned
adj.音乐的；有音乐天赋的
n.器械；仪器；工具
如何通过类似电话的仪器发送音符
Finally, the telephone _______________ (invent) in 1876. The first sentence that _________ (say) on the telephone by Mr. Bell was “Mr. Watson, come here; I want to see you.” Today the telephone _____________ (use) around the world.
was invented
was said
is usedUnit 6 When was it invented
单元总览
类别 课程标准要求掌握的项目
单元话题 In this unit, students learn to talk about the history of inventions
重点单词 1.project n. 项目，工程；2. pleasure n. 高兴，愉快； 3. daily adj. 日常的，每日的； 4. mention v. 提到，说到；5.nearly adv.几乎，差不多； 6.boil v. 煮沸，烧开；7.remain v. 保持不变；剩余；8.national adj.国家的，民族的；9. low adj.低的，矮的； 10.translate v. 翻译； 11.lock v.锁上；n. 锁；12.sudden adj. 突然的13. crispy adj. 脆的；酥脆的；14. salty adj. 咸的； 15.sour adj. 酸的，有酸味的；16.customer n. 顾客。17. Canadian 加拿大的， 18. divide v. 分开，分散；19. hero n 英雄，男主角； 20. professional adj. 职业的，专业的；
重点词组 1. shoes with special heels 特殊后跟的鞋子 2. hot ice cream scoop热的冰其淋勺子 3. run on electricity 电动的4. be used for 被用作5. the subject for my school project学校项目的课题 6. our daily lives 我们的日常生活 7. have a point有点道理 8. by accident偶然，意外地 9. over the open fire在火堆上 10. fall into the water 落入水中 11. take place 发生 12. without doubt毫无疑问 13. at a low price 以一个很低的价格 14. translate the book into different language 把书翻译成不同种的语言15. all of sudden 突然 16. by mistake 错误地 17. a much-loved and active sport一个深受喜爱并且积极的运动18. divide…into 把…分开 19. stop sb from doing sth 阻止某人做某事 20. look up to钦佩，仰慕 21. the professional basketball groups职业篮球机构 22. use someone else’s idea借用其他人的想法
重点句式 1. I think the TV was invented before the car. 我认为电视是在轿车之前发明的。2. ---When was the telephone invented --- 电话是什么时候发明的？ --I think it was invented in 1876. ---我认为电话是在1876年被发明的。3. ---What are they used for ---他们可用来做什么？ ---They are used for changing the style of the shoes ---他们可用来改变鞋子的样式。4. ---When was the zipper invented ---拉链是什么时候发明的？ ----It was invented in 1893 .--它是在1893年被发明的。5. ---Who was it invented by ---它是由谁发明的？---It was invented by Whitcomb Judson. ---它是被惠特科姆.贾德森发明的。6. ---When was tea brought to Korea ---茶是什么时候被带到韩国的？ ---It was brought to Korea during the 6th and 7th centuries.---它是在六至七世纪被带到韩国的。7. ---What is the hot ice-cream scoop used for -这个热的冰其淋勺子是用来做什么的？ ---It’s used for serving really cold ice-cream ---它是用来提供真正冷的冰其淋。
单元语法 Passive voice (past tense)
课时分解
第二课时Section A（Grammar focus ~ 4c）
I. 知识目标
类别 课时要点
重点单词 1. low adj.低的，矮的； 2.translate v. 翻译； 3.lock v.锁上；n. 锁；4.sudden adj. 突然的；
重点词组 1. at a low price 以一个很低的价格 2. take these photos 拍这些照片 3. go out alone 单独外出 4. translate the book into different language 把书翻译成不同种的语言5. all of sudden突然 6. work on 从事，进行
重点句式 1. ---When was the zipper invented ---It was invented in 1893.---拉链是什么时候发明的？ ---它是在1893年被发明的。2. ---Who was it invented by ---It was invented by Whitcomb Judson.---它是由谁发明的？--它是被惠特科姆.贾德森发明的。3. The fridge was sold at a low price. 这个冰箱被以低价卖掉了。4. The students were told not to eat or drink in class. 学生们被告知在课堂上既不吃或喝任何东西。
II. 课堂环节
§自主学习方案
【新词自查】
根据汉语提示完成单词。
1. The boy lost his parents during the last year’s earthquake (地震).
2. The students were asked to translate (翻译) the story into English.
3. The police found the lost boy under the destroyed house through an instrument (仪器)。
4. I only have some biscuits (饼干) and a glass of milk every morning.
5. If you can’t eat all these fruit , you may put some into your fridge (冰箱).
§课堂导学方案
Step 1情景导入（参考案例）
本课时的主要内容是谈论发明对我们生活的影响，有好的也有不好的。在学习短文之前教师可准备几个与短文内容相关的问题，然后邀请几位同学就提出的问题给出自己的答案或见解。（4分钟）
Questions:
1. What invention do you like best Why
______________________________________________
2. What invention do you hate a lot
______________________________________________
3. List as many of them as you can.
______________________________________________
环节说明：通过带着问题去学习，从而达到导入新课的目的。
Step 2. 畅通Grammar Focus回顾语法重点.
要求学生分角色问答并翻译表格中的句子。出说被动语态的各种句式的变化形式。并能造出相仿的句子。
SA: When was the car invented
SB: It was invented in 1885.
SA: When were electric slippers invented
SB: They were invented last year.
SA : Who were they invented by
SB: They were invented by Julie Thompson.
SA: What were they used for
SB: They were used for seeing in the dark.
简要归纳被动语态的结构及用法。
Step 3
完成教材4a-4c的任务
1. 要求学生翻开课本P44，参照4a所提供的信息和例句，用被动语态改写句子.给出5分钟的时限，并请另4位同学在黑板上改写，全班集体核对答案。（5分钟）
参考答案
2. My camera was stolen from my hotel room by somebody.
3. Where were these photos taken .
4. We are advised by our parents not to go out alone.
5.The book was translated by different writers into different languages.
2.用所给单词的正确形式完成4b句子。给出5分钟的时限，并请另个5位同学朗读句子，全班集体核对答案。
1. were invited 2. were brought 3. was locked, rang
4. were told, broke 5. were eaten, liked
3. 先浏览4c的短文，确定空格处的动词是用主动形式还是被动形式，然后用动词的正确形式填空完成短文。给出5分钟的时限，并请1位同学朗读短文，全班集体核对答案。
1. was invented 2. was born 3. worked 4. learned.
5. was invented 6. was said 7. is used
4. 小结训练。要求学生在规定的时间内完成一个小练习。并请若干学生给出自己的答案。有错误的话及时解决纠正。（2分钟）
用所给词的适当形式填空。1. This instrument is used for playing (play) music in class.2. How many magazines were borrowed (borrow) from the library today 3. Edison was a great inventor. He had over 1.000 inventions in his life.(invent). 4.A picture was put (put) on the blackboard before class.5. Plates and dishes weren’t washed (not wash) after supper yesterday.
环节说明：将听、说、读、写的任务结合起来不仅锻炼了学生的语言综合运用能力，还巩固了学生对目标语言的学习、识记和运用。
§当堂评价方案（详见当堂训练部分）
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