人教版（2024）九年级上册（2024）3a-3d示范课ppt课件

这是一份人教版（2024）九年级上册（2024）3a-3d示范课ppt课件，文件包含Unit5PowerofIdeas第2课时SectionA3a-3dpptx、九上人教课文朗读Unit5SectionA3amp3等2份课件配套教学资源，其中PPT共19页， 欢迎下载使用。
1. 掌握并正确运用词汇：invent2. 能描述一项重要的发明：① What d yu think is the mst useful inventin f all time? ② Wh was the inventr? ③ ... made it much easier fr sb. t d sth.
Here are the lyrics f Radi Ga Ga by the British rck band Queen.
I’d sit alne and watch yur lightMy nly friend thrugh teenage nightsAnd everything I had t knwI heard it n my radiYu gave them all thse ld time starsThrugh wars f wrlds invaded by marsYu made them laugh yu made them cryYu made us feel like we culd fly
What des the underlined wrd “Yu” refer t in the lyrics?
It refers t the radi.
What des the narratr think f the radi?
The narratr likes the radi because by listening t the radi, he has learned a lt f things. The radi made him happy when he was a teenager.
Read the cnversatin. What des Peter think is the mst useful inventin f all time?
What d yu think is the mst useful inventin f all time, Peter?It has t be the radi.The radi? Why?Befre the radi was invented, infrmatin travelled very slwly. The wrld was made much smaller by the radi. Suddenly, news culd be spread arund the wrld in secnds.Right. Wh was the inventr?
Fu Xing:Peter:Fu Xing:Peter:Fu Xing:
此处much修饰比较级
An Italian inventr called Guglielm Marcni. He develped the idea in the 1890s. In 1901, a radi message was sent acrss the Atlantic Ocean fr the first time.Ww! That was quite a distance at that time.Yeah. And because f the radi, sme ther imprtant inventins were develped as well.Like the televisin?
Peter:Fu Xing:Peter:Fu Xing:
That’s right. It als had a big effect n music. The radi made it much easier fr peple t enjy music frm artists arund the wrld.
have a big effect n sth. 对某事/某物有很大影响
Peter thinks the radi is the mst useful inventin f all time.
Befre the radi was invented, infrmatin travelled very slwly. (教材P44 3a)
invent /ɪnˈvent/ v. 发明；编造
【辨】create, discver与invent
The man created a new kind f music.那个人创造了一种新的音乐形式。The man discvered sme jewellery in the bx.那个人在箱子里发现了一些珠宝。Edisn invented the light bulb.爱迪生发明了灯泡。
Read again and cmplete the chart.
Inventin:_____________
Wh was the inventr?_______________________________________________
When was it invented?______________________________________________________________________________________________
Hw did it change the wrld?____________________________________________________________________________________________________________________________________________________________________________________________
Guglielm Marcni
The idea was develped in 1890s. In 1901, a radi message was sent acrss the Atlantic Ocean fr the first time.
① It made the wrld much smaller.② It led t ther imprtant inventins like the televisin.③ It made it much easier fr peple t enjy music frm artists arund the wrld.
Listen t the cnversatin and pay attentin t hw the key infrmatin is stressed. Then rle-play the cnversatin.
Chse anther inventin that yu think is the mst imprtant and make a mind map abut it. Then describe it t a partner.
The mbile phne
What it is used fr
Hw it changed the wrld
Martin Cper
call peple, send messages, take phts, surf the internet, ...
made cmmunicatin easier, made ur lives mre cnvenient, ...
I think the mbile phne is ne f the mst imprtant inventins. Invented by Martin Cper in 1973, it has greatly changed ur daily lives. It is cnvenient t carry because it is small and thin. We can nt nly keep in tuch with thers anytime and anywhere by making calls and sending messages, but als take phts, surf the internet, study and wrk easily. It made cmmunicatin much faster and brught peple clser. Undubtedly, the mbile phne made ur lives mre cnvenient and clurful.
The sftware enables yu t access the internet in _______ (secnd).The camera __________ (invent) by the French _______ (invent) Jseph Niépce in 1816.An errr was reprted when he tried t write data t the file fr the _____ (ne) time.
一、用所给词的适当形式填空。
was invented
二、 完成句子，每空一词。
1. 伏明霞是历史上最年轻的跳水世界冠军。Fu Mingxia is the yungest diving wrld champin _____ ____ _____.2. 这项公告对房屋价格产生了巨大的影响。The annuncement ____ ____ _____ ______ n huse prices.
had a big effect
all time
f all time, in secnds, fr the first time
① What d yu think is the mst useful inventin f all time?② Wh was the inventr?③ ... made it much easier fr sb. t d sth.