高中英语牛津译林版 (2020)必修 第三册Unit 3 The world onlineWelcome to the unit课文配套课件ppt

这是一份高中英语牛津译林版 (2020)必修 第三册Unit 3 The world onlineWelcome to the unit课文配套课件ppt，共45页。PPT课件主要包含了PART ONE，Lead-in，PART TWO，PART THREE，PART FOUR，Homework等内容，欢迎下载使用。
1. Lead in2. Pre-reading3. While-reading4. Critical thinking5. Language pints6. Hmewrk
I hpe we will use the Net t crss barriers and cnnect cultures.-- Tim Berners-Lee
1. D yu have easy access t the Internet? If s, hw d yu ften access it? In which way d yu access the Internet, using a mbile device r ther devices? 2. What d yu usually d n the Internet?
Yes, I d. I ften access it via my smartphne and laptp, mstly using a smartphne.
read the news
play nline games
watch films r TV plays
study n the internet
search fr infrmatin
chat nline
There are many imprtant milestnes in the develpment f the Internet. Read the web page belw and discuss the fllwing questins in pairs.
The first email was sent in 1971 by Ray Tmlinsn. It was a test message t himself. He wanted t see whether he culd send a message frm ne cmputer t anther. He chse the "@" sign t separate the username frm the name f his machine.
The first webcam was created by cmputer scientists at the University f Cambridge in 1991. What did it film? A cffee pt utside the ffice. These scientists used the webcam t see frm their desks whether the pt was empty t avid wasted trips fr cffee.
Emjis, small digital images used t express ideas r feelings in electrnic cmmunicatin, were created in 1999 in Japan. The creatr was inspired by Japanese cmics, street signs and Chinese characters. Sn emjis tk ff thrughut the wrld. Oxfrd Dictinaries selected , the "Face with Tears f Jy" emji, as the Wrd f the Year 2015.
What effects d yu think the internet has n yur life?
2. Which f the abve inventins d yu use mst frequently? Why?
I use emjis mst frequently when I message my friends. They lk cute, and are a quick and easy way t express hw I am feeling.
I rely heavily n the Internet t keep up with the latest news and rganize my daily life. It’s easy fr me t stay in tuch with friends and family n my phne. In my spare time, I entertain myself by watching mvies r playing nline games. The Internet takes a lt f stress ut f my life, as everything is cnveniently accessible with just a tap f a buttn. Withut it, my life wuld be ttally different.
1. What effects d yu think the internet has n yur life?
Pre-reading
We can achieve almst anything nline.
One f the greatest advantages f the Internet lies in the quick and easy access t a huge amunt f infrmatin.
The Internet has als made ur lives unbelievably cnvenient, with all srts f gds and services prvided ….
Abve all else, the Internet helps us establish and maintain scial ties.
We shuld use the Internet prperly and respnsibly.
Fast-reading
Task 1 Skim the article and summarize its main idea in ne sentence.
Task 2 Read the article again carefully and cmplete the table belw with supprting details fr each advantage.
a huge amunt f
Having fd delivered t yu
Paying fr almst everything
share ur hbbies
lng-lst friends
While-reading
Task 3 Chse the right answers accrding t the text.
Accrding t the authr, what is the quickest and easiest way fr mst f us t get infrmatin frm? A. Our teachers B. The Internet C. Newspapers r bks D. Our parents r friends
2. Which f the fllwing is true accrding t the passage?A. Internet always brings us cuntless valuable benefits.B. Internet is truly a wrld with frntiers.C. Internet perhaps causes sme disadvantages t us.D. Internet can meet the need f lng-lst friends.
Task 4 In pairs, discuss the fllwing questins.The authr believes that the Internet has benefited us in varius ways. Can yu think f any ther examples t supprt the authr’s ideas?
We can rent bikes using mbile apps t save time and mney. We can share phts and vides with lved nes in the clud.
2. The authr mentins in the cnclusin that the Internet has its prblems. What d yu think the prblems with the Internet are? Make a list f them.
Persnal infrmatin may be stlen. Addictin t the Internet may lead t scial islatin and depressin. Internet viruses can infect and damage cmputers.
Task 5 T shw the advantages f the Internet mre clearly, the article describes what life was like befre the Internet. Find the sentences shwing cmparisns in the article.
Gne are the days f searching shp after shp fr the perfect pair f bts--yu can cmpare styles and prices quickly and easily in the cmfrt f yur living rm.
Why wait hpelessly fr a taxi in the cld rain? It is nw simple and fast t rder ne with a taxi app. Sit back and relax indrs fr a few warm minutes until the driver arrives.
Task 6 Cmplete the table.
messaging/sending messages
Critical thinking
We shuld never brwse websites that may pse ptential risks.We must be aware f warning signs f nline dangers and viruses.We shuld nt spread false r illegal infrmatin n the Internet.We shuld never easily trust strangers we meet nline.We must prtect ur persnal privacy, such as phne numbers, addresses, bank accunts and s n.
1. Hw can we use the Internet prperly and respnsibly?
In-depth reading
Firstly, the authr intrduces his argument by prviding sme truly life-changing advantages the Internet has brught t us. Then the authr prvides examples as evidence t supprt his argument frm three aspects, during which, the authrcmpares each aspect frm befre and after the inventin f the Internet. At last, the authr summarizes that the Internet can be a place f discvery, wnder and inspiratin fr everyne, but nly if we use it prperly and respnsibly.
2. Hw des the authr supprt his argument in this article?
In my pinin, this title can be understd frm the fllwing three aspects.Firstly, “The Internet has the pwer t cnnect peple acrss the wrld t a single shared cmmunity?” On the Internet, there is n bundary between cuntries, and there is n bundary between cuntryside villages and mdern cities. Peple in different parts f the wrld can have access t the Internet.Secndly, the life-changing advantages brught abut t us by the Internet are withut frntiers—we can enjy its benefits tgether.Thirdly, the Internet is truly a wrld withut frntiers nly if we use it prperly and respnsibly t make it a place f discvery, wnder and inspiratin fr everyne.
3. Hw d yu understand the title “The Internet: a wrld withut frntiers”?
Language pints
Learning, Researching
Ordering…Buying…Selling…
Chatting, cmmenting,Sharing
ViewingPlayingListening
When it cmes t the Internet, ...
WebsitePasswrdWi-FiAppDwnladUpladScial mediaQR cde
A. T cpy data/files frm the Internet t yur wn electrnic device.B. T send data/files frm yur device t the Internet r a server.C. A set f linked web pages with a unique dmain n the Internet, with varius infrmatin.D. A 2D barcde scanned by phnes t stre and access inf quickly.E. A secret character set fr identity verificatin and nline accunt access.F. A wireless tech fr devices t cnnect t the Internet withut cables.G. A small prgram fr specific use n phnes, tablets r cmputers.H. Online platfrms fr peple t create, share cntent and cmmunicate.
2. Match the names f natural disasters n the left with their characteristics n the right.
1.We can achieve almst anything nline –with access t the Internet cme sme truly life-changing advantages.access n.  （使用或见到的）机会，权利; 通路；入口
have access t 可以获得/ 接近/使用
gain/ get access t 到达；接近；使用
with a access t 可以得到……；得以访问……；能够接触……
accessible adj. 进入的；可使用的；易理解的；(人)好相处的be accessible t 接近的；能进入的
【语境应用】根据括号内的提示补全下列句子。1) Eva ________________________________ (访问了3个不同的文件) t find the crrect infrmatin.2) Students must ______________________ (有使用图书馆的机会).3) There is n ___________________ (通向大街的路) thrugh that dr.
accessed three different dcuments  
have access t a library
access t the street
1.We can achieve almst anything nline –with access t the Internet cme sme truly life-changing advantages.谓语放在主语前面构成全部倒装句1.表示时间、地点和动作转移的副词如here、there、up、dwn、in、away、ut、ff、nw、then等置于句首时。Out f the cave rushed a tiger. 2.Such作表语置于句首时，全部倒装Such was Albert Einstein, a simple but great man.3.表示地点的介词短语开头的句子，全部倒装。On the back wall hangs a picture.4.为了保持句子的平衡，可以将作表语的介词短语、形容词、副词或分词提到句首，引起全部倒装。Present at the cncert were many famus actrs.
2. In the time it takes t find ne bk in the library, we can use a search engine t bring up millins f results.
短语积累 bring abut 引起; 产生; 导致; 带来 bring in 带进来; 引进; 赚得 bring ut 使显现; 阐明; 出版; 生产bring dwn 使降低, 减少; 打垮, 击败bring n 引起, 使发生
【语境应用】翻译句子。1) Please bring yur plan up at the meeting. ______________________________________________2) The cuple brught up five children. ______________________________________________3) Mary didn't feel well and brught up her dinner. ______________________________________________
请将你的计划在会上提出来。
这对夫妇养育了五个孩子。
 玛丽身体不舒服，把晚餐吃的东西都吐了。
3. N wnder the Internet has nw becme the first place that the majrity f peple turn t fr infrmatin.
a/the majrity f … 大多数, 大半be in the/a majrity 占大多数great/ huge / large majrity 绝大多数small / narrw majrity 微弱优势e.g., She was elected by a narrw majrity.
majr adj.大的，主要的，v. 主修(majr in)，n. 主修课程 majrity, a/ the majrity f, in the / a majrityminr adj. 较小的，次要的，v. 辅修（minr in）, n.辅修课程 minrity, a/ the minrity f, in the / a minrity
the majrity和the minrity单独用作主语时，若强调整体，谓语动词用单数形式；若强调个体，谓语动词则用复数形式；但其后表语是复数时，谓语动词通常也要用复数。“the/a majrity f＋名词”用作主语，其谓语动词的数应与名词的数保持一致。
大多数接受采访的人都喜欢看电视多于听收音机。 The majrity f peple interviewed prefer TV t radi. 大多数人支持禁烟。 The majrity was/were in favur f banning smking .大多数小企业现在都在网上办理银行业务。 The majrity f small businesses nw d their banking nline.
完成句子。3) The _________ (majr) f them take n nline language  test befre starting their prgramme.  4) ______________________ in favr f the suggestin. 多数人赞成这个提议。
【语境应用】单句语法填空。1) Fr ne thing, I hpe t gain a bit mre knwledge f gardening s that it can help me t majr _____ the gardening.2) An agreement seems t be impssible because the majrity f the cmmittee members _____ (be) against it.
The majrity was/were
4.Yu can have fd delivered t yu using fd delivery apps and sites.
deliver vt. 递送，传送，交付deliver sth. t sb. 把某物运送给某人deliver a speech/ lecture 发表演讲be delivered f 生产，分娩e.g., We deliver the gds in batches.我们分批交付货物。注：have sb/sth dne 使...被...
【语境应用】1) Carrie的孩子是由她的妈妈接生的。 Carrie’s baby _____________ by her mther.   2) 这位教授给他的学生做了一次关于哲学的演讲。 The prfessr _________________ n philsphy t his students.  3) Once his message was _________(递送), he allwed me t stay and watch.
was delivered 
delivered a speech
5. When yu wish t g n hliday, yu can make all yur travel arrangements just in frnt f the cmputer.
arrange v. 筹备；安排；整理e.g. Dn’t be in such a hurry. I have arranged a taxi fr yu. 别这么急。我已经为你安排了一辆出租车。 The girl is carefully arranging the bks n the shelves. 那个女孩正在仔细地整理书架上的书。
arrange t d sth. 安排做某事arrange sth. fr sb. 为某人安排某事arrange fr sb. t d sth. 安排某人做某事
arrangement: n. 安排;筹备;安排方式;布置;商定;约定她班上的老师作了特别安排，每月讨论一次她在学业上的进展情况。Her class teacher made a special arrangement t discuss her prgress at schl nce a mnth. 他已作好了应急的一切准备。 He has made every arrangement t meet any emergency. 我们可以就价格问题达成一项协议。 We can cme t an arrangement ver the price.make arrangements (fr)…为…做筹备arrange fr sth 安排某事arrange t d sth.安排做某事
6. Abve all else, the Internet helps us establish and maintain scial ties.establish vt. 建立（关系或联系）；设立establish the facts 查清事实establish … as… 确认……为……establish a gd relatinship建立良好的关系establish an empire建立一个帝国establishment确立，建立The schl has established a successful relatinship with the lcal cmmunity. They are an established cmpany with a gd reputatin. ( adj. 已确立的，公认的)
【语境应用】单句语法填空。1) The prfessinal has established his reputatin _________ a bichemist.2) By 1909, the man ______________ (establish) himself as a painter f great talent in Paris.3) In additin, yu need t visit an __________ (establish) website that ffers stck charts.4) It will be essential ___________ (establish) hw the cash is being spent.
had established
established
t establish
7.An instant message, a grup chat, vide call, a cmment n an update — there are endless ways t share ur views r let smene knw we care abut them.
instant adj.立即的; 立刻的; 速食的; 即食的; 速溶的; 方便的; n.瞬间; 片刻; 某一时刻 Instant cffee 速溶咖啡 This accunt gives yu instant access t yur mney. We can’t prmise an instant reply, but we will take time t think abut it.I'll be back in an instant. 我马上就回来。 I will send yu an email the instant I arrive in Lndn.
make a cmment n/ abut 对……作出评论withut cmment 未作出评论n cmment （通常用于回答记者的问题）无可奉告
【语境应用】完成句子1) She _______________________ my wrk.  她对我的工作提出了有益的评论。2) I dn’t feel ____________________________. 我觉得我无法对他们的决定作出评论。
made helpful cmments n
I can cmment n their decisin
8. We must aware f these prblems and be careful t use the Internet prperly and respnsibly.
becme aware f 对……知道, 明白; 意识到 be aware + that 察觉到、意识到awareness n. 认识，意识raise ne’s awareness 提高某人的意识public awareness 公共意识他们突然意识到人们在看着他们。 They suddenly became aware f peple lking at them.你有没有意识到已经出了问题？ Were yu aware that smething was wrng?
9. Only in this way can the Internet be a place f discvery, wnder and inspiratin fr everyne.
注：nly +状语置于句首，句子用了部分倒装，即助动词can提到主语。部分倒装：1.S / Neither / Nr + 助动词 / 情态动词 + 主语Lily can't play Ping Png. Neither can I.2.当 nt, never, hardly, seldm, scarcely, barely, little, n, by n means, in n way, n sner…than, hardly… when 等词或短语位于句首时部分倒装
3.在s/such…that…句型中，若s/such…提到句首时S difficult did I find it t wrk ut the prblem that I decided t ask Tm.4.当 “nly +状语（副词，介词短语或从句）”置于句首时Only by taking a taxi can yu arrive there n time.5.用于as / thugh引导的让步状语从句中Try as he wuld, he might fail again.
Only +状语开头的倒装句：(He realized that he had made a serius mistake nly then.=)Only then did he realize that he had made a serius mistake.(Yu can save yur face nly in this way.=)Only in this way can yu save yur face.(He was tld what had happened nly when he returned hme.=)Only when he returned hme was he tld what had happened.(He was able t make himself heard nly by shuting.=)Only by shuting was he able t make himself heard.
B1 The passage belw is abut prper nline behaviur. Cmplete the passage with the crrect frms f the wrds and phrases in the bx belw.
cmment site establish t a certain extentmajrity click aware abve all else
The Internet has brught us great cnvenience. (1) _________________, we can hardly live withut it. Hwever, it als raises all srts f questins: when surfing the Internet, hw can we prtect urselves? Hw can we use the Internet respnsibly?
T a certain extent
The fllwing guidelines may shw yu hw t live in the digital wrld.(2)____________, yu shuld use the Internet in a safe way. Yu must always be careful abut which (3)________t trust. One wrng (4)_______ may damage yur cmputer and remve all yur cmputer files! Therefre, befre visiting a web page, always check fr signs that warn peple f danger. Anther tip is t keep yur persnal infrmatin private, including yur phne number, address and email accunt. Yu als need t shw respect when cmmunicating with ther nline users. Leave (5)___________ plitely and treat thers the way yu wuld like t be treated. Thugh the (6) __________f nline users are nice and friendly, there might be sme users wh make yu feel uncmfrtable nline. In such cases, be (7)_______that yu always have the right t say n and cut ff cntact. Remember that relatinships yu (8)_________ in the digital wrld are just the same as thse yu have in real life.
Abve all else
a single shared cmmunityget in tuch with the utside wrldlife-changing advantagest a certain extentat ne's fingertipsbring upmake ur lives unbelievably cnvenientabve all elseestablish and maintain scial tieskeep in cntact with lved nes
单一共享社区与外界联系改变生活的好处在一定程度上了如指掌使显示，调出；提出让生活变得难以置信地便利最重要的是，尤其是建立和维护社会关系与亲人保持联系
Based n the tpic, write a cmpsitin abut the effects f the Internet n ur lives frm psitive and negative aspects.