人教版（2024）九年级全册Section B优秀课件ppt

这是一份人教版（2024）九年级全册Section B优秀课件ppt，文件包含人教版英语九年级全册Unit6WhenwasitinventedSectionB3a-Selfcheck写作课课件pptx、人教版英语九年级全册Unit6WhenwasitinventedSectionB3a-Selfcheck写作课学案内含知识点精讲+分层练习doc、造纸术1mp4等3份课件配套教学资源，其中PPT共40页， 欢迎下载使用。
1.学习本课新词汇：nearly掌握句型：It is ften difficult t decide n the inventr f certain inventins.Sme inventins can als lead t ther inventins.S sme peple dubt whether the inventr came up with the idea himself r herself. 2. 通过观看视频图片，能够用句型“be invented in/by..., be used fr…,be made f/frm/by...”描述发明物的时间，发明者，用途等。3.通过阅读有关发明的文章，能够说出文章的结构，内容要素等；能够运用本单元的目标语言写一篇介绍自己身边的小发明的文章。4.鼓励学生保持对科学发明探索的兴趣。
Learning bjeetives
1. When was the paper invented?
2. What was the paper made f at first?
3. Wh and imprved the paper-making prcess? And when?
4. What was the paper made frm then?
5. Can yu remember the inventins that have been mentined in this unit?
It was invented 2000 years ag.
It was made f silk.
Cai Lun imprved the paper-making prcess 1900 years ag.
It was made f tree bark(树皮) and rags(破布).
Cai Lun made cheap paper ut f tree bark and rags.
Watch a vide and answer the questins.
Can yu talk abut them?
Wh?/When?/What?
Jhn Neumann/1946surfing the internet
Karl Benz\1886traveling
Baird/1925watching news
Thmas Edisn\1854seeing in the dark
Steve Jbs/1977chatting with friends
Bell/1876cmmunicating
Can yu remember the inventins that have been mentined in this unit?
Wh?/When?/Hw?/What?
shes with speacial heels
shes with lights
ht ice-cream scp
1893/Whitcm Judsnused widely/shes/bags
changing the stayle f the shes
seeing in the dark
serving really cld ice-cream
Gege crum/1863by mitake
James Naismith/1893played n a hard flr
tea/5,000 years agSheng Nng/by accident
假如你是茶文化博物馆的讲解员,明天你要用英语向一批外国游客介绍茶的发明史。请根据提示,写一篇80词左右的书面介绍。 要求：1.思路清晰，语句通顺，书写规范。2.正确使用被动语态。
Para. 1 开门见山——介绍茶的发明
Para. 2 细节介绍
Para. 3 总结全文，升华主题
wh, when, hw, where
Can yu write a passage t intrduce tea.
大约5000年前，茶最先被喝。
Tea was first drunk abut 5000 years ag.
据说，茶是被神农发明的。
It is said that tea was invented by She Nng.
如今茶在全世界被人们喜爱。
Tday tea is lved all ver the wrld.
First, Shen Nng was ________(bil) drinking water.Then, sme _______(leaf) _____(fall) int the water and _________(remain) there _____ sme time.Next, it __________ (prduce) a nice smell. At last, Shen Nng decided _______(taste) the water and fund it delicius.
by accident
D yu knw hw t write this passage?
Para. 1 点明主题——介绍茶的发明
Para. 2 细节介绍：wh, when, hw, where
Hw Tea Was Invented Tea is ne f the mst ppular drinks in the wrld. 茶是世界上最受欢迎的饮料之一。I wuld like t intrduce hw it was invented. 我想介绍一下它是如何被发明的。 It is said that tea was invented by Shen Nng. 据说茶是神农被发明的。One day, Shen Nng was biling drinking water ver an pen fire. 一天，神农正在篝火上烧水。Then, Sme leaves frm a tea plant fell int the water and remained there fr sme time. 然后，一些茶树的叶子掉到水里，在那里呆了一段时间。It prduced a pleasant smell. 它产生一种令人愉快的气味。At last, Shen Nng decided t taste the water and he fund it delicius. 最后，神农决定尝尝水，他发现它很美味。 In shrt, tea was invented by accident. 总之，茶是被偶然发明的。Nwadays, tea is seen as a symbl f Chinese traditinal culture and is lved all ver the wrld. 如今，茶被视为中国传统文化的象征，被全世界喜爱。
D yu knw hw t write this passage?
They are very useful and helpful.
Inventins are everywhere in ur life.
She can’t find her glasses.
She can press the buttn.
What’s wrng with Cindy?Hw can she find her glasses nw?
I’d like t intrduce my new inventin t yu.It is an alarm n yur glasses. It ____________ (invent) three mnths ag. Because it _______ (make) f plastic, it is very light. It _______ (use) fr _______ (find) yur glasses in yur hme r at schl. The alarm ___________ (cntrl) by a remte cntrl with a buttn n it. First, press the buttn, and the alarm will make a sund. Then, fllw the sund t lk fr yur glasses. Yu must want t knw hw much it is. It’s 20 yuan. It’s cheap and gd. Yu can affrd ne.Dn’t yu hate it when yu can’t find yur glasses? If s, please cme t me and buy ne.
was invented
is cntrlled
Read Cindy’s article abut her new inventin. Fill in the blanks with the crrect wrds.
I’d like t intrduce my new inventin t yu.It is an alarm n yur glasses. It was invented three mnths ag. Because it is made f plastic, it is very light. It is used fr finding yur glasses in yur hme r at schl. The alarm is cntrlled by a remte cntrl with a buttn n it. First, press the buttn, and the alarm will make a sund. Then, fllw the sund t lk fr yur glasses. Yu must want t knw hw much it is. It’s 20 yuan. It’s cheap and gd. Yu can affrd ne.Dn’t yu hate it when yu can’t find yur glasses? If s, please cme t me and buy ne.
1. What inventin is it?
2. When was it invented?
3. What is it made f?
4. What is it used fr?
5. Hw des it wrk?
6. Hw much is it?
Read the article again and answer the questins. Mark the basis fr yur answers.
Recmmendatin
Read the article nce mre and find ut the utline(轮廓) f the passage.
I’d like t intrduce…/This is my new inventin…/My new inventin is…
It was invented… Because it… It is used fr… First… then… It csts…
D yu want t buy ne?Dn’t yu…? If s, please…
D yu knw hw t intrduce an inventin?
Have yu ever cme acrss any difficulties in yur daily life?
I am nt able t take ntes quickly in class.
It’s very hard fr me t get up early.
I’m wrried abutmy hmewrk.
What inventins wuld yu like t invent t slve them?
Can we invent smething new t slve thse difficulties?
Prblem : .New inventin : .What it is used fr : .
taking ntes in class
a special pen
quickly taking ntes in class
Can yu think abut mre details abut this pen?
What is it made f?
What special thing des it have?
What des it lk like?
Hw can it help yu?
Think f smething that yu d nt like t d. Thenthink f an inventin that culd help yu. Make ntes.
假如你是一个商人，你有一项新发明。请以A special…为题介绍一下你的新发明，并将它推销给你的同学们。词数80-100。开头已给出，不计入总词数。
Imagine yu are a business persn. Write a descriptin f yur new inventin. Try t sell the inventin t the class.
1. 人称: 主要用第三人称2. 时态: 一般现在时时态为主，其它时态为辅；3. 语态：主要用被动语态4. 题材：说明文4. 常用句型： ① ... was invented by / in … ② ... is made f / frm … ③ ... is used fr... ④ I think … is a very useful inventin. 5. 写作思路首先，使用3b句型介绍发明的产品发明人名称；其次：根据3a提示，使用句型介绍类型、用途及其制作材料等；最后：介绍自己的使用感受效果等, 建议同学买一个。注意：要恰当运用被动语态，检查时态、句子结构等是否正确。
D yu knw hw t write the writing?
简单介绍该钢笔 被发明及其特点
重点介绍该钢笔 的用途
invented by… is used fr… useful…
cmes with… prgram the wrds… write shrt frm…
cntain up t… make changes…
1. I think … is a very useful inventin. 我认为……是一项很有用的发明。2. … was invented by … ……是由…… (某人)发明的3. … was invented in … ……是在…… (某时间)发明的 4. It is used fr … 它被用来…… 5. … is made f ………是由……(材料)制成的
Hi, bys and girls. I have a special inventin. This special pen was invented by Liu Jie. It has three clrs and is used fr taking ntes quickly in class. It was invented in 2012. It is made f plastic and steel. It can remember what the teacher said. It can als help write dwn the main pints. I think it’s a useful inventin. D yu like it? If yu like it, please call me at 13562327969.
假设这周你们学校的英语角谈论的话题是“手机的发展史”，请你根据图示要点和同学们谈论一下手机的发展变化，并描述你对未来手机的畅想。
The first phne
Invented byMartin Cperin 1973
Big and heavy:Only used frmaking calls
NwSmart phnes
Small and light:Have many uses
Write a passage abut “the develpment fthe mbile phne” accrding t the the mind map.
一般现在时+一般过去时+一般将来时
State the inventin f the first mbile phne in the past;Describe the appearance and uses f the phnes nw:Imagine appearance and uses f the phnes in the future.
D yu knw hw t write the passage?
The ppularity\imprtant f the mbile phnes
Briefly state the influence mbile phne n peple's life
be widely used/ be seen/mre and mre ppular/part f ur life/cnvenient/ Withut dubt.
Mbile phnes are widely used arund the wrld and they have becme part f ur daily life. There is n dubt that they have make ur life mre cnvenient.
Tday, millins f peple have their wn mbile phnes. Withut dubt, mbile phnes have becme necessary tls in peple daily life.
Can yu write a similar sentence t intrduce phnes accrding t this sentence?
Basketball is a much-lved and active sprt that is enjyed by many fr fun and exercise.
The mbile phne is a much-lved and necessary tl that is enjyed by many fr fun and use.
The first phne was invented by Martin Cper in 1973.
It was big and heavy, lt was nly used fr making calls.
It was big and heavy, which was like a brick.
It was nly used fr making calls.
It was nly used fr making calls. Thanks t it, peple culd cmmunicate with each ther ver lng distances.
It was nly used fr making calls. Because f it, peple culd be able t talk t each ther n matter where they are.
It was nly used fr making calls.Thanks t it, peple culd able t talk t each ther n matter hw far they are.
Nw, the ppularity f smart phnes has risen rapidly
On the ne hand, they are small and light. On the ther hand, they wn many uses.
Fr ne thing, they are small and light. Fr anther, they wn many uses.
They are nt nly small, but als very light. Besides,they have many useful functins.
What are the cmmn uses f smart phnes?
watch mvies
take pictures
chat n Wechat
make vide calls
text messages
make phne calls
watch shrt vides
listen t music
attend meeting nline
navigate t sme places
On the ne hand, they are small and light. On the ther hand, they wn many uses. Fr example, peple can nt nly make vide calls with friends, but als take great pictures thrugh phnes.
On the ne hand, they are small and light. On the ther hand, they wn many uses, such as ging shpping nline r studying nline.
On the ne hand, they are small and light. On the ther hand, they wn many uses, including chatting with friends cr reading bksnline.
In the future, the smart phnes will be as thin paper and as light as feathers.What's mre, fast wireless charging will take place as peple expected.
in the future, the smart phnes will be mre envirnmentally friendly.
In shrt/ln a wrd/All in all, mbile phnes have made a great difference t ur life. But d remember t use it wisely.
In shrt/In a wrd/All in all, mbile phnes have changed the way we live and the way we wrk.
Tday,millins f peple have their wn mbile phnes.Withut dubt, mbile phnes have becme necessary tls in peple's daily life. The first phne was invented by Martin Cper in 1973. it was big and heavy, which was like a brick. It was nly used fr making calls.Thanks t it, peple culd cmmunicate with each ther ver lng distances.Nw,the ppularity f smart phnes has risen rapidly. On the ne hand, they are small and light. On the ther hand, they have many uses.Fr example, peple can nt nly make vide calls with friends, but als take great pictures thrugh phnes. In the future, the smart phnes will be as thin paper and as light as feathers. What's mre, fast wireless charging will happen as peple expected. In shrt, mbile phnes have changed the way we live and ln way ue wark.
Cmputer Cmputers are becming mre and mre imprtant in ur daily life. D yu knw when the cmputer was invented ? The cmputer was invented in 1946. At that time , it was huge. With the develpment f science and technlgy, the cmputer has grwn smaller. Nw there are many kinds f cmputers, such as persnal cmputers and laptps. The cmputer is a very useful tl in ur life. Fr example , it can send sme messages t freign friends by e-mail. What’s mre , it can share infrmatin with thers thrugh the Wrld Wide Web. We can als listen t music r play the game n cmputers. It makes us relax. It’s hard t imagine what ur life wuld be like withut cmputers. I think cmputers will be mre cnvenient and they are ging t change ur life cmpletely in the near future.
Read the passage abut the inventin f Cmputer.
It is ften difficult t decide n the inventr f certain inventins. This is because smetimes a few peple may ______ things which are _______ the same. It’s hard t tell wh came up with the idea first. Sme inventins can als lead t ther inventins _____________. S sme peple _____ whether the inventr came up with the idea himself r herself. They think that the inventr used smene else’s idea t create his r her inventin. That is why bks r _______ usually _______ mre than ne inventr when giving infrmatin abut inventins.
invent, dubt, mentin, nearly, website, all f sudden
Cmplete the passage with the crrect frms f the wrds in the bx.
all f a sudden
D the exercise.
1. Smene stle my watch. _________________________________2. They used five eggs t make this big cake. __________________________________3. When did they invent the persnal cmputer? __________________________________
My watch was stlen (by smene).
When was the persnal cmputer invented?
Five eggs were used t make this big cake.
2. Rewrite these sentences using the passive vice.
4. They asked us nt t run in the hallway. __________________________________5. Smene tk the vide back t the stre. __________________________________
We were asked nt t run in the hallway (by them).
The vide was taken back t the stre (by smene).
Inventin: _________________________When: _________________________Wh: _________________________Purpse: _________________________
umbrella with a light
seeing in the rain in the dark
3. Find ut infrmatin abut an inventin yu wuld like t knw mre abut and write sentences belw.
It is used fr seeing in the rain in the dark .
It is used t see in the rain in the dark .
It was invented in 2013.
It was invented by LiMeng.
Revise yur cmpsitin.2. Preview the new wrds and expressins in Unit 7.3.计算机在我们的生活、工作中的作用越来越大，你知道计算机的起源与发展吗？请结合计算机的发明时间(1946年）、外形、用途等方面，谈一下它的发展变化，并说明你对未来计算机的畅想。 要求：1.意思连贯，语句通顺；词数不少于80。
Fr tday's hmewrk.