初中英语外研版 (新标准)九年级上册Unit 2 Will books be replaced by the Internet?教学ppt课件

这是一份初中英语外研版 (新标准)九年级上册Unit 2 Will books be replaced by the Internet?教学ppt课件，共38页。PPT课件主要包含了book，Internet，Exercise，单项选择，phrases，Writing，Role-play，本课时主要短语和句型，总结回顾等内容，欢迎下载使用。

lk thrugh printing at a time by hand develpment trade
快速阅读；浏览n. 印刷 每次；一次 用手；靠手做n. 发展；进步n. 买卖；交易
Wrds and expressins
resultspreadin a waycmpare…t…intrductin amunt stre
v.（因……而）产生；发生 v. 扩展；蔓延；传播 从某一角度；从某一点上看； 从某种程度上 把……比作 n. 引进；采用；推行 n. 量；数量 v. 存储；储藏
varied frm cnnectin single directin replace wait and see
adj. 各种各样的；各不相同的n. 种类；类型；形态；存在形式n. 电话连接；计算机网络连接adj. 仅一个的；单个的n. 方向v. 替换；取代 等等看；等着瞧
D yu use cmputers? Hw ften d yu use cmputers?
Hw d yu get infrmatin? Reading bks? Or surfing the Internet?
D yu think bks will be replaced by the Internet?
T learn abut sme inventins and hw these inventins have changed peple’s lives. T learn sme key wrds and useful expressins abut inventin. T be able t write sentences using the passive vice.
1. Wrk in pairs. Read the title f the passage in Activity 2. Discuss and make a list f the advantages f bks and the Internet.
Bks are inexpensive.Bks can g with yu anywhere and be read everywhere.Bks can help yu keep yur brains sharp. ...
Yu can get infrmatin quickly. Yu can get a great amunt f infrmatin at a time. The machine is smaller and lighter. …
2. Read the passage and match the main ideas with the paragraphs.
a) The wrld befre printed bks b) The wrld after the inventin f printing c) Life with paper and printing d) Technlgy and bks e) The future f bks
T find infrmatin in a passage quickly, yu can read the heading and the first sentence in each paragraph.This will ften tell yu what the passage is abut.
想快速找到文章中的信息，你可以阅读每段话的标题和第一句话。它通常会告诉你文章的内容是什么。
Learning t learn
3. Cmplete the table.
printing invented
the Internet grwing fast, cmputers and the Internet used in classrms, newspapers and magazines read nline
develpments directin intrductin pwerful replace spread trade
Bks were expensive after paper was invented because they were made by hand, but (1) ___________ in printing made it cheaper and faster t make bks. A(n) (2) ______ in bks resulted, and knwledge (3) ______ mre quickly than ever befre. The
develpments
4. Cmplete the passage with the wrds in the bx.
(4) ___________ f the Internet has changed the wrld in a similar way, and the Internet is much mre (5) ________. With mre and mre peple using the Internet, the (6) _________ that traditinal printing will take in the future is uncertain, and cmputers may (7) _______ bks ne day.
intrductin
1. Every evening, my mther lks thrugh magazines at hme.
lk thrugh 快速阅读；浏览
例：Wuld yu quickly lk thrugh the newspaper? 你能快点看完报纸吗？
Language pints
【拓展】 lk thrugh还可意为“透过……看去，穿过……看去”。
例：We lked thrugh the bedrm windw and saw a beautiful garden. 我们透过卧室窗户看到了一个美丽的花园。
2. In thse days，bks were nly prduced ne at a time by hand.
（1）【辨析 】at a time与at timesat a time意为“每次，一次”，常与表示数量的词搭配使用; at times意为“有时，偶尔”，常用于一般现在时，相当于smetimes。例：We had t g and see the principal ne at a time.我们得逐一去见校长。He can be really bad­tempered at times.他有时候脾气真坏。
（2）by hand意为“用手，靠手做”。by用作介词，意为“通过……的方式”，表示方式或手段。 例：The ty was made by hand. 这个玩具是手工制作的。
3. As a result, there were nt many bks, and they were expensive.
as a result意为“结果，因此”，是一个介词短语，用作状语，后接表示结果的句子。它与s可以进行转换。
例：As a result，the discussin was put ff until the fllwing week. 结果，讨论被推迟到了下个星期。
【拓展 】 as a result f意为“作为……的结果，由于”，后接表示原因的名词或代词，相当于because f。
例：She didn't g t schl as a result f her illness. 由于生病，她没有去上学。 As a result f warning, nbdy was hurt. 由于得到了警告，因此没有人受伤。
4. Will bks be replaced by the Internet?
be replaced by被……所取代
例：The brken chair was replaced by a new ne. 那把坏椅子被一把新椅子取代了。
replace…with…用……代替……
例：They replaced the ld windws with new nes. 他们用新窗户代替了旧窗户。
spread intrduce by hand cmpare
一、用方框中所给词的正确形式填空。
1. With the ____________ f the Internet, great changes have taken place.2. My handwriting can nt be _________ with my father’s.3. The news ______ thrugh the schl very quickly.4. The early bks were prduced ________.
二、 根据汉语意思及英文提示完成句子。1. 昨晚这个时候他正在翻阅几份文件。 (lk thrugh) ____________________________________________ ____________________________________________2. 我们努力学习，结果考试获得了好成绩。(as a result) ____________________________________________ ____________________________________________3. 他的新毛衣是手工织的。(by hand) _____________________________________________
He was lking thrugh sme papers at this time last night.
We wrked hard. As a result, we gt high grades in the exams.
His new sweater is made by hand.
1. Let’s lk ___ the text and then answer the questins. A. at B. thrugh C. fr D. after2. The children are making kites ___ hand. A. by B. fr C. with 3. With the ___ f ur schl，we’ll have a better envirnment fr studying. A. develp B. develped C. develpment4. —Hw many frms f music are there in the wrld? —There are ___ frms f music nw. A. vary B. varied C. much D. little
Tips fr teacher
Let the wrd fly 版块帮助学生学习一些一词多义、熟词生义的词汇。通过此环节，学生可以对一些常见词的用法、意思有一个透彻的了解。
1. at a time 一次 The machine can prduce ten dzens f ckies at a time. 那台机器一次能生产十打曲奇。2. at lunch 午饭 Pam’s at lunch nw.帕姆现在在吃午饭。3. at the beginning f 在……开始 At the beginning f the speech, the chairman made a jke. 在演讲开头主席开了一个玩笑。
4. at wrk 工作 My husband is ften at wrk late. 我丈夫经常工作到很晚。5. at yur age 在你这样的年龄 Yu shuld have mre sense at yur age. 你这个年龄不应该这样不懂事。
5. Read the sentences and ntice hw we give reasns and results.
1 Bks were nly prduced ne at a time by hand. As a result, there were nt many bks.2 Because there were nt many bks, few peple learnt t read.3 These machines are smaller and lighter than bks, s they are easy t carry.
( give result )
( give reasn )
1 Why is it hard t imagine a wrld withut printing?2 What was the result f few bks being prduced?
It’s hard t imagine a wrld withut printing because we have s many printed things nw.
Few bks were prduced and, as a result, few peple culd read .
Nw wrk in pairs. Ask and answer the questins. Write full sentences with as a result, because r s.
3 What happened after the printing technlgy develped?4 What will happen t the bks in the future? Why?
After printing technlgy develped, bks were cheaper, s mre peple learnt t read.
Bks might nt be needed in the future because the Internet is grwing quickly.
—Why is it hard t imagine a wrld withut printing?—It's hard t imagine a wrld withut printing because we have s many printed things.
6. Write full sentences with the ntes in Activity 3.
Abut 2,000 years ag, paper was first created.
Printing was invented during the Sui and Tang Danasties.
Tday, the Internet is grwing very fast. Cmputers and the Internet are used in classrms nw, and newspapers and magazines are read nline.
7. Write a passage abut traditinal printing and its future. Use the sentences yu have written in Activity 5 and 6 t help yu.
It’s hard t imagine a wrld withut printing because we have s many printed things nw, such as menus, cmics and schlbks. Paper was first created abut 2,000 years ag, but bks weren’t printed at that time. They were written by hand, s few bks were prduced, and as a result, few peple
culd read.Printing was invented during the Sui and Tang Dynasties. After printing develped, bks became cheaper, s mre peple learnt t read. Tday, the Internet is grwing very fast. A much larger amunt f infrmatin can be stred in mre varied frms n the cmputers than in bks. As a result, in the future, the Internet will prbably be mre imprtant than printing.
1 lk thrugh2 at a time3 by hand4 as a result5 Bks were nly prduced ne at a time by hand.6 Will bks be replaced by the Internet?
Nw 2 minutes t test yur spelling.
Spelling Bee
1. English-Chinese printing develpment trade spread intrductin stre frm2. Chinese-English (因……而)产生; 发生 把……比作…… 替换；取代 每次；一次 浏览
When finished, exchange yur papers t yur partners t see wh des the best.