人教版（2024）九年级上册（2024）3a-3c示范课课件ppt

这是一份人教版（2024）九年级上册（2024）3a-3c示范课课件ppt，共33页。PPT课件主要包含了creation，create，invention ，inventive，produce，productive，stood up，pieces of，Bell，Show Time等内容，欢迎下载使用。
Sectin B（2a-4d）
· 学习目标· 新课导入· 内容讲解· 课堂总结
Learning gals
1. New wrds: rapidly, affrd, cmpany, sticky, sngbk, prductin, gradually, widely, glider
2. Expressins: be lking t d sth
3. Sentences: ① Orville Wright and Wilbur Wright, were nt lking t change the wrld at all. ② The inventin f the plane has made ur travels arund the wrld much easier and faster.
Hw small ideas turn int wrld-changing inventins?
rapidly /ˈræpɪdli/ adv. 迅速地；快速地 affrd /əˈfɔːd/ v. 买得起；能做cmpany /ˈkʌmpəni/ n. 公司；剧团 sticky /ˈstɪki/ adj. 黏（性）的；闷热的sngbk /ˈsɒŋbʊk/ n. 歌曲集
prductin /prəˈdʌkʃn/ n. 生产；制作gradually /ˈɡrædʒuəli/ adv. 逐渐地；逐步地 widely /ˈwaɪdli/ adv. 广泛地；普遍地glider /ˈɡlaɪdə(r)/ n. 滑翔机
Cmplete the table with different frms f the wrds. Yu can add mre.
Chse the crrect wrd t cmplete each sentence.
1. The use f mdern medicine has helped cntrl / spread many dangerus diseases.2. News culd travel much mre rapidly / slwly with inventins like the radi and the televisin.
3. Fibre made frm il prvides a(n) cheap / expensive slutin t the prblem that many peple cannt affrd t buy enugh clthes.4. A film was invented / prduced by a film cmpany t tell us abut what rbts culd d fr peple’s lives in the future.5. In January 1911, Feng Ru carried ut a secret / public test flight in Oakland City. He shwed the wrld what Chinese peple culd achieve.
Cmplete the passage with the crrect frms f the phrases in the bx. Then discuss hw an inventin like sticky ntes is turned int reality.
piece f stand up result in t sb’s surprise
Did yu knw that an accident led t the inventin f sticky ntes? In 1968, a scientist named Spencer Silver was trying t make a strng glue. _______________ , he prduced a glue that was really weak. It culd stick things, but it culd be remved very easily. The glue was interesting, but n ne culd find a use fr it.
T his surprise
Then, in 1974, a man named Arthur Fry was trying t mark the pages in a sngbk using small _________ paper. Hwever, whenever he _________ t sing, the pieces fell t the flr. Then he remembered Silver’s glue. With the glue, the paper stayed in the sngbk, but it culd later be remved. Fry’s idea _________ the prductin f sticky ntes f many sizes and clurs. They gradually became ppular and nw are widely used all ver the wrld.
resulted in
Read the text and cmplete the chart.
The inventin f the plane has greatly changed the wrld. Hwever, it seems that its inventrs, Orville Wright and Wilbur Wright, were nt lking t change the wrld at all. Rather, they just wanted t fly like birds.
T slve the prblem f heavier-than-air flight, the Wright brthers began wrking with gliders. There were tw main challenges. The first was hw t get the glider int the air. The secnd was hw t cntrl it nce it was flying. Fr bth prblems, they fund their slutins by lking at hw birds flew. After they slved these prblems, they added an engine t the glider. Then, in December 1903, the wrld’s first plane flights were made.
The inventin f the plane has made ur travels arund the wrld much easier and faster. Jurneys that nce tk days, weeks, r even mnths, can nw be made in nly a few hurs. As a result, cmmunicatin amng peple in different cuntries is nw much easier, and the wrld has becme a much smaller place.
Paragraph 1
What was invented?
Wh were the inventrs?
Why was it invented?
Paragraph 2
What challenges were met?
Hw was it invented?
When was it invented?
Paragraph 3
What was its effect?
Chse a great inventin yu are interested in. D sme research and make ntes abut it.
____________ was invented by _____ in _______ .
The telephne
• It was invented because ____________________________________ __________________________________.
way t cmmunicate ver lng distances
peple wanted a faster and mre cnvenient
• It was made f / frm _______________.
metal and plastic
• The inventr had difficulties in _____________________________ ____________.
testing and imprving the sund
transmissin
• The inventin was respnsible fr / led ________________________ ____________________.
t the rapid develpment f
glbal cmmunicatin
Write abut the inventin yu have chsen using the infrmatin frm 3b.
The telephne is ne f the mst imprtant inventins in the wrld. It was invented by Alexander Graham Bell in 1876.Bell invented the telephne because he wanted t help peple cmmunicate mre cnveniently acrss lng distances. During his inventin, he met many difficulties, especially in imprving sund transmissin. Hwever, he never gave up and finally made it.The telephne has greatly changed ur life. It makes lng‑distance cmmunicatin much faster and easier, and als prmtes the develpment f glbal cmmunicatin.
1. be lking t d sth 意为打算/计划/想要做某事（侧重：心里有 明确目标、主动计划去做，区别于单纯“想要”）
2. 基本结构：主语 + be动词 + lking + t d（动词不定式）
3. 同义替换： = plan t d sth = intend t d sth = want t d sth（语气更弱）
1. My brther _______ imprve his English, s he reads English every mrning. A. lking t B. is lking t C. lks t D. was lking
2. 翻译句子。 我们打算参加学校的发明展。
We are lking t take part in the schl’s inventin exhibitin.
Read the schl ntice. Chse ne area yu want t make imprvements in.
Wrk in grups. Discuss what inventins culd help in yur chsen area.
Make a pster abut yur inventin. The pster shuld include:
• the name f the inventin • a picture f it• what it is made f / frm • what it is used fr• what effect it has n peple’s lives
Present yur pster in the exhibitin. Vte fr yur favurite nes.
1. “ cme up with sth ” 核心义为想出；提出；找到（主意、计划、 发明、答案、解决方案等）
2. 同义替换 • = think up （口语化，想出） • = put frward （正式，提出计划/观点） • = wrk ut （侧重“想出、算出”具体方案） 例：He came up with / thught up a gd plan. 他想出了一个好计划。
1. 同义句改写。 She thught up a creative inventin.（用cme up with） → She ________ ________ ________ a creative inventin.
cmes up with
2. 翻译句子。 他提出了一个改变人们生活的发明。
He came up with an inventin that changed peple’s lives. / He put frward an inventin that changed peple’s lives.
1. Which inventin and inventr in this unit impressed yu the mst,and why?2. Hw can inventins change peple’s lives?3. Can yu use the passive vice t talk abut inventins?4. Hw d inventrs make an idea cme true?