英语八年级上册Unit 3 Computers背景图课件ppt

这是一份英语八年级上册Unit 3 Computers背景图课件ppt，共50页。PPT课件主要包含了 01 ，课时精讲，playing， swimming，are， doesnt， must， 02 ，课时过关，unaware等内容，欢迎下载使用。
重点句子讲解。1．Yu may be unaware f them．你可能没有觉察到它们。(1)be unaware f意为“不知道；没意识到；未察觉”。He was cmpletely unaware f the whle affair which happened t him last night.他对昨晚发生在他身上的整件事情一无所知。(2)be unaware f的反义词组为be aware f，意为“意识到”。The girl was unaware f the danger which she was in．那个女孩儿没有意识到她所处的危险。
(3)The teacher ________________ the new student in the classrm just nw.老师刚才没有觉察到教室里新来的那个学生。(4)The by ________________ the imprtance f learning English at that time.在那时，男孩没有意识到学习英语的重要性。(5)He ______________ this serius prblem.他意识到这个严重的问题了。
was unaware f
was unaware f
was aware f
2．In additin, cmputers can d imprtant jbs like perating railways and flying planes and spaceships．另外，电脑能做重要的工作，例如：操控铁路系统、飞机和太空飞船。此句中，like用作介词，意为“比如；例如”，可以和such as互换，不能和fr example互换。Practical lessns, like wdwrk and ckery, are nt cnsidered as imprtant as Maths.像木工和烹饪之类的实用课程被认为不如数学重要。
(1)I lve t read nvels written by Mark Twain ____________ The Adventures f Tm Sawyer.我喜欢读马克·吐温写的小说，比如《汤姆·索亚历险记》。(2)I have many hbbies, like _________ basketball and ___________．我有很多兴趣，比如说打篮球和游泳。
like/such as
3．Hwever, ne day cmputers may be able t d a better jb than human beings．然而，有一天，电脑可能有能力把工作做得比人类更好。be able t意为“有能力做……； 会做……”，有时态变化，过去时用was/were able t d, 将来时用will be able t d，其反义短语是 be unable t d。Yu must be able t speak Spanish fr this jb．做这项工作你必须会说西班牙语。
(1)We _____ ______ ____ deal with all srts f prblems.我们能够应付各种困难。(2)We _____ usually ______ ____ finish the wrk ahead f time.我们通常能够提前完成工作。(3)I believe we ______ ____ ______ ____ learn English well in the future.我相信将来我们一定能够学好英语。
are able t
able t
will be able t
4．What will happen t us if cmputers can d all ur jbs?如果电脑可以做我们所有的工作，我们会怎么样呢？在此句中，if用作连词，意为“假如； 如果”，引导条件状语从句。主句用一般将来时，if引导的从句用一般现在时来表示将来时。有时候if引导的从句也可放句首，中间用逗号隔开。 If it is fine tmrrw, we will g swimming.如果明天天气好的话，我们就去游泳。
(1)We will g t the park ____ it ___________ rain tmrrw．如果明天不下雨，我们就去公园。(2) _____ the traffic lights are red, yu ______ stp and wait.如果交通指示灯是红的，你必须停下来等一等。
根据课本阅读部分的内容，完成下面语法填空。 Nwadays, sme cmputers are tiny．Yu may be 1．_________(aware) f them．Everybdy depends 2．_____ cmputers mre than he/she 3．________(realize)．We can use cmputers t calculate．They can calculate at a 4．______(fast) speed than we can and almst never give wrng answers．We can als type and draw things 5．______ them．In additin, cmputers can d imprtant jbs like 6．___________(perate) railways and flying planes and spaceships．What will happen 7．___ us if cmputers can d all ur jbs?
Will we have nthing 8．_______ (d)？Are cmputers 9．________ (clever) than us? Maybe the answer is n．Our brain can prduce new ideas 10．____ cmputers cannt.
阅读理解。 (2023·重庆南开中学期末)Tday we can use the Internet fr many things：shpping，business，writing letters，talking t peple，getting infrmatin and s n.In recent years，a new kind f English has grwn n the Internet.There's n real wrd fr it yet，s we'll call it e-talk．Peple dn't like typing t much.T save time，they turn phrases int a few letters (called acrnyms)．Acrnyms (缩略词) are ften used in chat rms.Sme f them are:
BRB(be right back) 　BTW (by the way) LOL (laughing ut lud) 　IMO (in my pinin)Peple als use many abbreviatins (缩写)．They are shrtened frms f wrds．Sme cmmn abbreviatins are: inf (infrmatin)　 　pic (picture) puter (cmputer) 　 　sec (secnd) We usually dn't see peple when we cmmunicate (交流) n the Net, s peple have new ways t shw feelings.Mst peple use their keybards t draw “feelings”，such as:
：－) means happy；－)means jking ：－( means sad ：－O means surprised These days, many frums (论坛) have picture feelings.Fr example:
There are even whle new wrds，like “newbies”(smene wh is new n a chat bard r frum)．When yu write smething bad abut smene else, it's called “flaming” the persn．It takes time fr peple t get used t e-talk.Als, different grups n the Net have their wn special ways f cmmunicating．Newbies smetimes have t ask ther peple what they mean.As the Internet grws, e-talk will cntinue t grw and change.
(　　)1．Why d peple type acrnyms?A．Because peple can type them quickly.B．T make jkes.C．T shw their feelings.D．In this way newbies wn't understand them.
(　　)2．What des the sentence “BTW, my puter is nt wrking well．：－( ”mean?A．The persn is happy abut getting a new cmputer.B．The persn has t g away frm their cmputer.C．The persn is sad that his cmputer is having prblems.D．The persn is angry at smebdy.
(　　)3．If smene is angry, what may he type? A．LOL.B．BRB.
(　　)4．E-talk will prbably _______.A．stay the sameB．keep changingC．be used by peple n the telephneD．be easy fr newbies t understand
(　　)5．What is the best title fr this passage?A．E-talkB．Picture Feelings C．Hw t Use AbbreviatinsD．The Changing Internet
短文填空。 以下是一则短文，请阅读全文，并从方框里的六个句子中选择五个还原到原文中，使原文的意思完整、连贯。(2022·深圳平湖中学期中)D yu have a mbile phne？D yu ften send text message t yur friends r family? If yu keep sending text messages ver and ver again，there may be smething wrng with yur fingers.1．____ If yu dn't，yu may get injured ne day．
2．_____ But scientists have fund ut that texting can give us prblems with fingers.T much texting can make yur finger uncmfrtable．When we press small buttns (按键) ver and ver again，we may have a disease called RIS.RIS is shrt fr Repetitive Strain Injury (重复性力损伤)．Harriet Wilsn is a dctr.She has many patients with RSI．3．____ If we spend mre than 10 t 15 minutes every day，we culd have such prblems in the future．
Mbile phnes are getting smaller and smaller．4．____ Texting with a smaller phne is wrse than using a larger phne with bigger buttns．5．____ If yu use a cmputer keybard and play vide games fr lng，yu may have the same prblem.Mre and mre peple can find themselves with RSI.
A．S it's a gd idea t use a larger phne.B．Everybdy using the mbile phnes shuld be careful.C．And the buttns are getting clser tgether.D．Text messaging r texting is becming ppular.E．She says we shuld check hw much time we are spending in typing text messages.F．Many peple spend s much time n the mbile phnes.
信息匹配。 (2022·深圳华侨外国语学校期末)下面的材料 A－F 是六个网址的信息。根据 Judy，Ken，Linda，Li Mei和 Aunt Liu 的需求，帮助他们选择合适的网址。
A．D yu like traveling？If yur answer is “Yes” r “Of curse”，welcme t visit ur website.Here yu can get all the infrmatin abut traveling in Russia．B．D yu want t learn t ck delicius Russian fd？Our website is famus fr shwing peple hw t ck Russian fd.Here yu can get the ways t ck different kinds f Russian fd．
C．Are yu interested in table manners all ver the wrld？Welcme t ur website.Here yu can learn a lt abut everyday table manners in all the cuntries arund the wrld．D．D yu have difficulty chsing gifts fr yur friends？Dn't wrry！Our website can help yu！Here yu can find gd ideas fr buying the best gifts fr birthday parties and dinners．
E．If yu want t buy ckers，maybe ur website is yur best chice.All f the ckers n ur website are n sale nw.Yu can find yur favrite blender and cffee maker here．F．D yu want t watch mvies fr free？Please visit ur website t jin us and becme a member f ur club.Here yu can watch yur favrite mvies fr free.
1．____ Judy wants t make a banana milk shake fr her parents，but she desn't have a blender．Nw she wants t buy ne.2．____ Ken is ging t his best friend's birthday party this Friday evening.But he desn't knw what gift t buy fr his best friend.3．____ Linda is a mvie fan.She usually ges t the mvies n Sundays.But nw she wants t save mney.She is thinking f sme ways t watch mvies at hme fr free.
4．____ Li Mei wants t knw mre abut American table manners' because she will visit New Yrk next mnth.She is afraid f making mistakes.5．____ Aunt Liu wants t learn t make Russian sup fr a party.But she desn't knw hw t make it.She is wrrying abut that.What shuld she d?
一、阅读理解。(2023·广州七中期末试题)With the develpment f technlgy and the Internet, there is a new trend in reading audi bks．Mre peple are chsing t listen t audi bks these days, accrding t the natinal reading reprt this year.
The reprt was released by the Chinese Academy f Press and Publicatin (CAPP)．It shws that audi bks have becme quite ppular amng mst readers．One in three adults listens t audi bks．They mainly use ppular audi sharing platfrms (平台) like Ximalaya.Kids have als been a main driver in the develpment f audi bks．These students aged 13 t 18, bught mre audi bks in 2018 than in 2017, Beijing Evening News reprted.
In additin, arund 26.8 percent f the children under 8 years ld listen t audi bks．Mst f them listen at least nce a week．Their favrite categries are “stries fr kids” and “petry reading”．
One f the reasns why audi bks are ppular is that peple want t fully use their spare time, China News Service reprted．Whether peple are at the gym, n a bus, r in bed, they can enjy reading withut a heavy paper bk r an e-reader．Faster Internet speeds mean ne can dwnlad a whle bk in just secnds, accrding t Wei Yushan, directr f CAPP．Audi app cntent designers (内容设计师) have invited bradcasters (播音员) and prductin grups t jin in cntent prductin．Bth the quality and the number f audi bks being ffered have greatly increased．Mre peple can find the audi bks they like the mst, the reprt said.
(　　)1．Which f the fllwing is TRUE abut Ximalaya?A．It's ne f the audi stries．B．It's a bk reading prgram.C．It's a natinal reading reprt．D．It's an audi sharing platfrm.
(　　)2．What des the underlined wrd “They” refer t?A．Audi bks．B．All readers.C．One in three adults．D．Kids aged 13 t 18.
(　　)3．Which f the fllwing bks may children under 8 years ld like best?A．Hw t Learn English Well．B．Hw t Ck.C．Science is Imprtant．D．Three Little Pigs.
(　　)4．Why d peple like t listen t audi bks accrding t the passage? A．Because they can keep healthy by listening t them.B．Because they can make gd use f their spare time.C．Because there are many famus bks.D．Because all audi bks are free.
(　　)5．What can yu infer frm the last paragraph?A．Peple dn't like reading bks n the Internet.B．There are mre and mre gd audi bks nw.C．The Internet is very imprtant in ur daily lives.D．Reading a whle bk n the Internet is impssible.
二、短文填空。以下是一则短文，请阅读全文，并从方框里的六个句子中选择五个还原到原文中，使原文的意思完整、连贯。(2023·荆门沙洋期末试题)Since last year，shrt vides have gtten millins f views(关注) nline.Many peple create and share shrt vides n ppular vide apps like Duyin and Kuaishu．1._____They shw peple ding activities like cking，exercising and singing．
2．_____ Mre than 50 percent f the junir high schl students said they enjy watching these shrt vides.Abut 47 percent f them have psted their wn vides，accrding t a recent reprt by the China Natinal Yuth Palace Assciatin．The vides let teenagers see funny and exciting things they wuldn't usually see．3._____ Fr example, a 12-year-ld user named Xia Qianyu has psted vides shwing her learning jazz dance.This has wn her many fans．
4．_____ Sme students spend t much time watching them and nt enugh time studying．T deal with this prblem，Duyin added a new functin (功能)．5．_____ What d yu think f the ppular vide apps?
A．Teenagers especially enjy these vides.B．Hwever the vides can als cause truble.C．It lcks the app if smene uses the app fr ver tw hurs a day.D．The shrt vides are 15 secnds t a few minutes lng.E．The shrt vides can help students study a lt.F．Many teens like t share the fun things they d with thers as well.
三、信息匹配。(2022·湛江段考改编)下面的材料A－F是六篇文章的描述，请根据五个人物的相关信息，为每个人选择最合适的文章。
A．T be thin is every girl's dream.As yu knw，exercising is a gd way.But yu shuld fllw sme rules.Read the article and make sure yu exercise the right way.B．The writer is a student frm Lndn.She came t China tw years ag.In her article，we can learn abut her enjyable life in China.
C．In this article，Easn，wh is ppular with the yung，tells us his stry f being a singer and sme skills t sing well.Read it and make yur dream cme true earlier.D．Miss Li is a great English teacher with ten years teaching experience (经验) in Hngxing Middle Schl.In this article，she gives many suggestins (建议) abut hw t learn English well.
E．D yu want t learn Chinese？D yu want t knw mre abut China？If yes，then this article is gd fr yu.Yu can read it nline.F．A yung girl went t Malaysia fr a hliday.She wrte a travel diary abut her life in Malaysia.In her diary，she tells peple the best places t g and the mst delicius fd t try.
(　　)1．Mary studies very hard，but she isn't gd at English.She is lking fr ways t learn English well.(　　)2．Nancy decides t g t Malaysia fr summer hliday.She wants t knw where she can g t enjy her hliday in the cuntry.(　　)3．Amy is studying in Shanghai.She thinks Chinese peple are friendly and she enjys talking with them.But she can nly speak a little Chinese.