英语九年级上册（2024）3a-3d教学演示ppt课件

这是一份英语九年级上册（2024）3a-3d教学演示ppt课件，共17页。PPT课件主要包含了Exercises，seconds，inventor，first等内容，欢迎下载使用。
Learning Gals
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.
Read the cnversatin. What des Peter think is the mst useful inventin f all time?
Fu Xing:Peter:Fu Xing:Peter:Fu Xing:
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?
此处much修饰比较级
Peter:Fu Xing:Peter:Fu Xing:
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?
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.
Read again and cmplete the chart.
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 keyinfrmatin 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.
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.
一、用所给词的适当形式填空。
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.
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.
f all time
had a big effect
Langage pint s
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。