冀教版（2024）八年级下册Lesson 21 Books or Computers?公开课课件ppt

这是一份冀教版（2024）八年级下册Lesson 21 Books or Computers?公开课课件ppt，共25页。PPT课件主要包含了hand，long，appeared，modern，quickly，common，electronic，sell，online，Computers等内容，欢迎下载使用。
Have a cnversatin.
A: D yu like reading?B: Yes, I d.A: Hw many bks have yu read this year?B: I have read…bks.A: D yu like t read paper bks r e-bks?B: I like…A: Why d yu like…?B: Because…
press /pres/ n. 印刷机；新闻界appear / əˈpɪə / n. 出现mdern / ˈmɒdn / adj. 现代的；新式的electrnic / ɪˌlekˈtrɒnɪk / n. 电子的sell / sel / v. 卖；出售
My father is reading an ___________ bk.
The sun __________ in the east each day.
The stre __________ many kinds f things.
Read the lessn and put the sentences in the crrect rder. The Histry f the Bk
It tk a lng time t write just ne bk. It made it pssible fr cmmn peple t read bks.The e-bk appeared.Peple had n bks, and they shared knwledge by telling stries.The printing press appeared.Peple dwnlad bks frm the Internet.With paper, peple began t write dwn stries.
Read and rder
Read the passage and answer the questins.
1.Hw did peple pass n their knwledge withut bks in ancient times?2.What made it pssible t print bks quickly?3.What kind f bks quickly changed peple’s reading habits?
By telling stries.The printing press.
The electrnic bks (e-bks).
Read and answer
PaperWith paper, peple began t write their stries. Peple wrte each wrd by _______. It tk a______ time t write ne bk.________________culdn’t travel far .
Read the lessn again and fill in the blanks.
Read and fill
Printing pressWhen the printing press _________, it changed the wrld. The ________ printing press can print bks ________, and makes it pssible fr the _______ persn t have easy access t read bks.
Internet___________ and the Internet changed the wrld. They made it pssible fr a new kind f bk: the ________ bks. Traditinally bks culd nly be bught and sld at a stre, but tday yu can buy and _______ bks ______.
pass nin ancient timesbegin t d sth.write dwnby hand a kind fa way t d sth.n matterkeep ding sth.
Read, find and translate
China was the first t invent paper during the Han Dynasty. It changed the wrld. Paper is ne f the fur great inventins f ancient China.
The ther three inventins are the cmpass, printing press and gunpwder.
What are the ther three inventins?
Read after the recrding.
谈论发展演变的句子：In the ancient times, …Later, …Then … appeared and changed…Recently, … changed … again.Nwadays, …
D yu like reading paper bks r electrnic bks (e-bks)? Why? Talk with yur partner and make up a dialgue.
Let’s D It!
In ancient times, there were n bks and peple passed n their knwledge by telling stries. (1) pass n意为“传送；前进”。　　pass n the ball 传球　　pass n knwledge 传递知识　 (2) by介词，意为“通过”。by ding sth.意为“通过做某事”。　　My sister learns English by listening t English sngs. 我姐姐通过听英文歌曲学习英语。
Language pints
2. They wrte each wrd by hand.　by hand是固定短语，意为“手工；用手”， 表示方式。　My mther made the cake by hand. 我母亲自己动手做的这个蛋糕。　I like the beautiful sweater by hand. 我喜欢这件手工编织的漂亮毛衣。
3. It tk a lng time t write just ne bk! 　“It takes (sb.)sme time t d sth.”是固定句型，意为“（某人）花费多少时 间做某事”。　It usually takes me abut half an hur t practise playing the pian. 我每天大约花费半小时练习弹钢琴。　Hw lng did it take yu t get t Beijing by train yesterday? 你昨天乘火车去北京用了多长时间？
4. Then, the printing press appeared and changed the wrld. 　appear不及物动词，意为“出现；呈现；来到”。　 A bird suddenly appeared at the windw. 一只鸟突然出现在窗口。　[拓展]　appear 还可以作连系动词，意为“显得；看起来”，后面可接形容词作表语。　She appeared happy. 她显得很高兴。
5. With mdern technlgy, it was pssible t print bks quickly. 　“It +be +形容词（+fr sb.）t d sth.”是固定句型，意为“（对于某人来说） 做某事是…… 的”。it位于句子开头作形式主语，后面的动词不定式短语是句 子的真正主语。　It’s imprtant t prtect animals in danger. 保护濒危动物很重要。　It’s nt easy fr my grandfather t learn t play the pian. 对于我祖父来说，学习弹钢琴并不容易。
6. N matter what yu have, a cmputer, a tablet, a laptp, an e-reader r a real bk, keep n reading! (1) n matter意为“无论；不管”，常与what, wh, when, where等连用。　N matter what yu d, be careful! 无论你做什么，要认真！　N matter wh cmes, dn’t pen the dr. 无论谁来，都不要开门。 (2)keep (n) ding sth.意为“一直做某事；反复做某事”。 Keep (n) trying, and yu will make prgress. 不断努力，你就会取得进步。
Leave the building __________ (quick) when the grund stps shaking.Our cuntry is getting strnger and _________ (strng).I’ve gt a new camera, but I dn’t knw hw _________ (use) it.Let me tell yu sme gd ways ___________ (learn) English.The teacher keeps ________ (tell) his students the imprtance f hard wrk.It will take us tw hurs ________ (get) there by bus.
Ⅰ.用所给单词的适当形式填空。
1. the, n, there, library, in, were, bks, paper ________________________________________________.2. Internet, the, with, faster, infrmatin, travels, faster, and , it, hmewrk, hur, t, my, me, abut, an, d , d, t, knw, yu, a, hand, bk, hw, make __________________________________________________?5. e-bks, interesting, it, t, is, read __________________________________________________.
There were n paper bks in the library
With the Internet, infrmatin travels faster and faster
It takes me abut an hur t d my hmewrk
D yu knw hw t make a bk by hand
It is interesting t read e-bks.
1.Remember the new wrds and phrases learnt in this lessn.2. Preview Lessn 22.