英语八年级上册（2013秋审查）Unit 4 Inventions图片课件ppt

这是一份英语八年级上册（2013秋审查）Unit 4 Inventions图片课件ppt，共42页。PPT课件主要包含了Part 01 ，Lead in，Quiz，Compass，Gunpowder，Typography，Part 02 ，Passage，Part 03 ，funny等内容，欢迎下载使用。
Hw much d yu knw abut the great inventins f ancient China?
The cmpass is the instrument used fr indicating directin. It cntains a smth magnetic spn and a cper plate carved with directins; the handle f the spn pinted suth, and the head nrth.
The gunpwder is made f niter(硝石), sulfur(硫)and charcal(木炭)In the Nrthern Sng Dynasty, it had been in the extensive applicatin t the military affairs, and then weapns such as firelck, rcket already appeared.
The inventin f paper prvides a mre cnvenient way fr the strage and cmmunicatin f infrmatin, and als has an epch-making significance n the prmtin f the develpment f glbal civilizatin.
Papermaking skill
This technique invented by Bi Sheng was ecnmical and timesaving, thus brught the technique f printing int a new era, and greatly sped up the internatinal develpment f culture and exchanges.
Great inventins
Great inventins change the wrld. They help peple live a better life. The fllwing are three f the mst imprtant inventins in histry.
inventin n. 发明（物）【变】invent v. 发明 inventr n.发明家/者
live a/an +adj.+life 过…日子
fllwing n. 如下，下述 adj. 【变】adj. 如下的，下列的
in histry 历史上【拓】at present 现在
The wheel The wheel is perhaps the greatest inventin in histry. After its inventin, travelling became faster and mre cmfrtable. A few thusand years ag, peple started t use wheels n carriages. In the early 19th century, the first trains began t carry passengers. At the start f the 20th century, cars became ppular. Withut the wheel, we wuld nt have these inventins.
after prep. …之后 【拓】after sth./ding sth; 【变】cnj. 引导时间状从
cmfrtable adj. 舒服的 【释】making yu feel physically relaxed【变】cmfrt n. 舒适 v.安慰 cmfrt sb. uncmfrtable adj. 不舒服的
start t d/ ding sth. 开始做…
carriage n. 四轮马车
in the early +序数词+世纪 在…世纪早期【同】at the start f +序数词+世纪
passenger n. 乘客【释】a persn wh is in a vehicle but is nt driving r wrking n it
ppular adj. 流行的，受欢迎的【同】be liked by a lt f peple 【拓】be ppular with/amng sb. 受…欢迎 【变】ppularity n.流行度
century n. 世纪 【释】perid f 100 years
The telephne Alexander Graham Bell invented ne f the first practical telephnes in 1876. Since then, peple have been able t speak t each ther ver lng distances. Tday millins f peple acrss the wrld wn mbile phnes. They allw peple t keep in tuch with each ther anytime, anywhere.
practical adj. 有用的，适用的【同】useful=helpful=suitable【变】practice v./n. 练习
since then 自那以来【同】frm then n 【拓】用于现在完成时
distance n.距离 【变】distant adj. 遥远的，远处的 【搭】what’s the distance frm…t…? in a distance 在远处
wn v.拥有 【变】adj. 自已的 【同】have
mbile phnes 手机
Keep/stay in tuch with sb. 与…保持联系
anytime adv.在任何时候 【同】at any time
allw sb. t d sth. 允许..去做… 【拓】allw ding sth. 允许做…
The light bulb Thmas Edisn develped the first practical light bulb in 1879. Befre the inventin f the light bulb, peple had t use il lamps, gas lamps r candles t see at night. With light bulbs, peple can d as many things in the evenings as they can in the daytime. Can yu imagine living withut them?
light bulb 电灯炮
lamp n. 灯，台灯
candle n. 蜡烛
as many +名词复数+as sb. canas much +不可数名词+as sb. can 尽可能多的…【例】we shuld read as many bks as we can in ur lives.
In the daytime 在白天【同】 during the day
imagine ding sth. 想像做某事
develp v. 开发，研制，培养 【变】 develpment n. 发展，进化 develped adj. 发达的 develping adj. 发展中的
1. Lucy is crying sadly, s let’s g t ________（cmfrtable) her.
2. These inventins are s ________ (practice) that they can be used in ur daily life widely.
3. He ____________( inventr) hundreds f inventins since 10 years ag.
4. 他为了能够写出一份好的演讲稿，他尽可能地去查阅多的相关书籍。
—Yu can ask me fr help anytime. —It’s s kind f yu! A. at that time B. at any time C. at all times
has invented
In rder t write a gd speech, he tried t lk up ________________.
as many related bks as he can.
advertisement
n. 广告 缩写（ad.)
【变】advertise v. 为…做广告
advertising n. 广告业，
【例】如果找工作，你可以看下这报纸上的招聘广告。
If yu want t find a jb, yu can lk at the _______________ n this piece f newspaper.
jb advertisement
adj. 滑稽的 ，好笑的
【例】老师喜欢讲些很好笑的笑话 My teacher likes t__________________.
【同】amusing/interesting
tell sme funny jkes
【变】 fun n. 乐趣 adj. 有趣的
【搭】 have great fun 过得愉快，开心
make fun f 开玩笑，取笑
【变】creatin n. 创作，作品
creative adj. 有创造力的
creatr n. 创造者
【练】一个有创作力的音乐家
A creative musician
【辨】create & invent & make & prduce
create 侧重创造出来的东西以前并不存在，或独具特色的创作；
invent 主要科技领域，指通过思考，研究或实验创造出的前所未有、极其有用的东西；
make最普通用词，指任何东西的创作或制造；
prduce 指产品的生产，或作品创作的完成
【变】dustbin 垃圾箱
【例】 Petrl is very imprtant in ur daily.
adj. 特殊的， 特别的
【例】 It is a special animal fr me in my childhd.
【变】 specially adv. 特别地，专门地 specialist n. 专家；
【同】 nt rdinary, nt usual
【例】The wings f the bird are wet , s it can’t fly nw.
【搭】make a mess 弄得一团糟
【变】messy adj. 肮脏的；杂乱的
【例】我叫他不要把厨房弄得乱七八糟。
I tld him nt t make a mess in the kitchen.
【变】intrduce v. 介绍 intrductry adj. 引导的，介绍的 【搭】intrduce sth. t sb.
【例】Let me intrduce my friend, David , t yu !
【同】 in place f
【辨】 instead f +代替的人或事 instead 一般接句子，可放置在句首和句末
【练】 1. If yu cannt g, she'll g __________.
2. I went shpping _________ ging t the cinema.
【同】 keep…away frm 使…不接近
【拓】 keep +形容词保持某种状态； keep sb./sth. +adj. 使…处于某种状态； keep ding sth. 继续做某事 keep sb. ding sth. 让某人一直做某事 keep sb. frm ding sth 阻止某人做某事
【练】As a students, we shuld ___________games.
【同】meanwhile
【拓】all the time 一直 n time 准时 in time 及时
at the same time
【拓】lead sb. t sp. 带领某人去某地
(　　)1. —This grammar bk is practical. It can help yu with yur English.—Yu’re s sweet t buy it fr me.A. helplessB. usefulC. special(　　)2. —When will Uncle Wang get t ur hme, Dad?—Anytime between 2 p.m. and 3 p.m.A. At the same timeB. At that timeC. At any mment(　　)3. —Jhn develped a new kind f clck last mnth.—Yeah. I heard it wuld be put n the market next year.A. prducedB. fundC. perated(　　)4. An _____ means the part that cmes at the beginning and tells yu what the rest f the bk is abut.A. IntrductinB. interview C. inventin(　　)5. —Hw beautiful the city is!—Yu culdn’t imagine that it was a small village a century ag.A. ne hundred yearsB. a lng timeC. a few years
(　　)6. —Why are peple interested in yur inventin?—With my inventin, they can lk behind and in frnt f themselves at the same time.A. all the timeB. in the meanwhileC. a lng time ag(　　)7. Our parents live a lng distance away frm us.A. quite far away frm usB. clse t usC. near us(　　)8. —We teenagers shuld stay away frm net bars s that we can fcus n study.—I can’t agree with yu mre.A. keep in tuch withB. keep ffC. instead f(　　)9. —When did yu break yur leg?—Last winter hliday. And I haven’t dne any exercise since then.A. frm then nB. in factC. in the future(　　)10. This kind f car will be very special because It can fly in the sky.A. unusual B. skillfulC. natural
 ii. 根据句子意思，从下面每小题的A、B、C三个选项中选出恰当的词汇完成句子(　　)11. T ________ means t design r create smething that has never been made befre.A. inventB. dependC. find(　　)12.We went t the Bilgy class ________ attending the English lessn.A. instead fB. because fC.in rder t(　　)13. An ________ is a ntice in the paper, r n a pster r TV abut a jb r things fr sale.A. annuncementB. achievementC. advertisement(　　)14. —Dn’t be nervus. Sit dwn and make yurself ________.—Thank yu. I’ll try t take it easy.A. ppularB. cmfrtableC. beautiful(　　)15. —If yu dn’t knw hw t perate the new machine, why nt read the ________ first.—That’s a gd idea.A. advertisementB. articleC. instructin
(　　)16. —What d yu think f the new inventin?—It's nt very ________. I dn't think we can use it in daily life.A. practical B. cmfrtableC. expensive(　　)17. —What is ________ abut yur inventin?—It’s a flying car. It can ________ a plane in 15 secnds.A. special; turn intB. great; fly C. great; turn n(　　)18. —Hw many ________ were there n the bus when it caught fire?—Abut frty. And half f them were badly hurt.A. passengersB. inventrs C. dinsaurs(　　)19. One f the best ways fr peple t keep healthy is t ________ gd eating habits.A. grwB. develpC. increase(　　)20. —Will yu ________ me if yu g t Lndn?—Certainly. I will call yu r write t yu.A. lk frward tB. keep in tuch withC. give a hand t
Ⅱ. 用所给词的适当形式填空1. Yu can see a lt f _______________(advertise)n the street.2. Wh _______________(inventin)the bulb.3. The music sunds s _______________(cmfrt).4. What is the _______________(distant)between yur hme and the schl?5. Culd yu please read the _______________(intrduce)fr me?6. Hw many _______________(passenger)are there in the waiting rm.7. She went shpping instead f _______________(watch)TV.8. Will yu mther allw yu _______________(buy)a telephne?9. He is a _______________(create)by.10. Many _______________(invent)were full f strange ideas.11. Mbile phnes are very _______________(practice).12. I wn’t be _______________(cmfrt)until I knw what happened.13. America is a _______________(develp)cuntry, but ur cuntry is a _______________(develp) cuntry.14. Peple began t live n the island many _______________(century)ag.15. _______________(shp)nline is very ppular nwadays.
advertisements
intrductin
passengers
Ⅲ. 真题再现(　　)1.(盐田区期中)—It seems that Judy and Anna are very gd friends.—They met in 2011, and ________ they have been clse friends.A. fr exampleB. since thenC.in additin(　　)2.(山东济宁中考)It is necessary fr everyne t ________ a gd habit f reading.A. enjyB. chseC. develpD. accept(　　)3.(新安中学期中—Hw lng have yu lived in Shenzhen, Mr Green?—I came t China five years ag and I have lived here ________.A. a lng time agB. in the future C. since then(　　)4.(新安中学期中)—Hw d yu usually ________ yur pen friends, Alice?—I like t send e-mails t them because it’s fast and cnvenient.A. keep in tuch withB. depend nC. play with(　　)5.(横岗)—I am srry we have n cffee nw.—Please give me a cup f tea _______.A. tgether B. insteadC. suddenly
(　　)6.(福安期中)T________ smething is t prduce smething which never appeared in the wrld.A. preferB. inventC. discuss(　　)7.(福安)A(n)________ is smene wh is n a bus r a car but desn’t perate it.A. inventrB. driverC. passenger(　　)8.(深圳高级期中)This kind f flwer is very special, and mst peple have never seen it.A. rdinaryB. unusualC. beautiful(　　)9. (深圳高级期中)This tl is practical. Yu shuld buy it.A. uselessB.usefulC. crrect(　　)10. —I’ve decided t keep ff the cmputer games this winter hliday.—Me t. Why nt find a part-time jb t make sme pcket mney?A. g n withB. stp frmC. stay away frm
Grammar （参考unit3）
Ⅱ. 根据句意，填入形容词或副词的原级、比较级或最高级1. I think my car is as _______________(nice)as yurs.2. Yur MP5 is nt s _______________(expensive)as his.3. I am t tired t g any _______________(far).4. There is _______________(little)water in this bttle than in that ne.5. Wh has the _______________(many)bks, Li Lei, Jim r Bruce?6. Sue’s _______________(yung)sister is a dctr.7. The film is _______________(bad)than that ne.8. These days I was as _______________(busy)as a bee.9. Which is _______________(gd), apple, range r banana? 10. My grandfather is _______________(ld)in my family.
Ⅰ. 请写出下列形容词的比较级和最高级1. bad ____________ ____________2. gd____________ ____________3. ill ____________ ____________4. far____________ ____________
farther/further
farthest/furthest
Ⅲ. 单项选择(　　)1. Winter is cming. The weather will get ________.A. warmer and warmerB. cld and cldC. cl and cl D. clder and clder(　　)2. Jack is nt ________ as his father.A. s taller B. s tallC. as tallerD. as tallest(　　)3. —Is chemistry mre difficult than physics?—N, chemistry isn’t as ________ as physics.A. easyB. difficult C. easierD. mre difficult(　　)4. ________prblems there are in a family, ________ their life will be.A. The less; the better B. The fewer; the better C. Fewer; richer D. Mre; prer(　　)5. Can we d ur wrk with ________ mney and ________ peple?A. less; fewerB. lesser; fewC. few; lessD. little; less
(　　)6. —What a bad weather!—S there are ________ peple in the park than yesterday.A. mreB. fewerC. lessD. little(　　)7.(南充中考)—I think English is as ________ as maths. —I agree with yu.A. mre interestingB. mst interestingC. the mst interestingD. interesting(　　)8.(广东肇)—Thanks fr taking care f the garden. It’s becming_____.—Yu’re welcme.A. mre beautiful and mreB. mre beautiful and mre beautifulC. beautifuler and beautifulerD. mre and mre beautiful(　　)9.(齐齐哈尔中考)Bb is taller than ________ in his class.A. any ther byB. any by C. any ther bys(　　)10.(辽宁沈阳铁西区期中)He lks as ________ as usual.A. happy B. happily C. happier D. happiest
(　　)11.(广州十六中期中)Wh is ________ at English, Jim r Sally?A. gdB. betterC. wrseD. the best(　　)12.(杭州中考)It’s much ________ t have a small lvely rm than a big cld ne.A. gdB. wellC. betterD. best(　　)13. He likes sprts very much. He can jump ________ in his class.A. farB. fartherC. furtherD. farthest(　　)14. —This stry is as ________ as that ne.—But I think this stry is ________ than that ne.A. funnier; funnyB. funny; funnyC. funny; funnierD. funnier; funnier(　　)15(广东岭南师院附中东方实验学校期中)He is ________ than I.A. very busyB. much busierC. mre busierD. very busier  
AJhn is ten years ld. He likes watching TV, but he hasn’t watched TV fr a whle year. What was 1. ________ matter?Jhn’s parents thught Jhn watched t 2. _________ (mre)TV. One day Jhn’s mther saw an article in the newspaper abut a by wh hadn’t watched TV 3. _______ a year. She read the stry fr Jhn. “It is a jke,” said 4. ______ (he)mther. “I dn’t believe it.” 5. ______Jhn liked the idea. He turned ff the TV right away and said he culd d it. But he wanted a prize. S Jhn’s parents said they 6. ________________ (give)him $700 if he culd d it.At 7. _______ (ne)Jhn’s parents were very happy because Jhn did a lt f reading. But later, he felt 8. _______ (bre). Every evening, he asked his parents t play with him. Smetimes his parents wished he culd watch TV, even just fr ne evening. Jhn always said, “N, it will cst me mney!”Finally the year was ver. Jhn gt the mney frm his parents, but he didn’t want t spend lts f his time 9. ________ (watch)TV any mre. “I want t help pr 10. _______ (child)with the mney,” he said.
BSimn’s cmputer didn’t wrk well. The speed f it was 1. ________ (slwly)and it ften crashed(死机). This time when he rebted(重启)it, the screen stayed black fr a lng time. Simn checked the wires, the mnitr and the main unit 2. ________ (careful). Then he rebted it again. Nthing wrked. It was telling Simn that he was ging t lse everything n 3. _______cmputer. Simn 4. ________ (feel)very sad because there were s many useful things n the cmputer such 5. ________ sngs he liked t listen t, pictures, hmewrk files and s n.The idea f rdering a new cmputer wasn’t bad. Simn bught ne nline. His new cmputer arrived tw days 6. _______ (late).The mnitr was nineteen 7. ________ (inch)and he culd play the newest vide games n it. Simn cmpared the new ne with the ld ne, and fund it was bigger and faster. Simn still missed his 8. _______ (lse)sngs, pictures, and files, but he quickly 9. ________ (fall) in lve with his new cmputer. Smetimes, bad things can be turned gd 10. ________ (ne).
发明改变着我们的生活。你眼中最伟大的发明是什么呢？请谈谈你的看法。要求：1. 80词左右；2. 条理清楚，意思连贯，语句通顺，标点正确。参考词汇:in my eyes; it’ us t...; it is a great way t...; cnvenient; the mst imprtant...思路点拨：1. 开头：说明该项发明在生活中的应用情况，表明你觉得该项发明是最伟大的;2. 具体描述该项发明的特性，该项发明为人们生活带来的好处，以及如何使用;3. 总结，我们应充分利用该项发明，使我们的生活越来越美好。
写作实践：______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 
Gd mrning, everyne!Tday, I'm ging t talk abut inventins.Inventins are created every day because peple wuld like t make life easier. There are famus inventins like TV and the bicycle. TV prvides us with different kinds f infrmatin s that we can knw mre abut the wrld. We watch entertainment prgrams t relax urselves. Besides, sme learning prgrams help us with ur study.The bicycle is very useful, t. We g t schl r wrk by bike. It makes n pllutin, which is gd fr ur envirnment. What's mre, bicycle riding is quite gd fr ur health. It's cheap, t.Thugh there have been many great inventins. I wish t invent a kind f pen t help us write mre quickly and neatly. When we have prblems in ding hmewrk, it will tell us hw t slve them.That's all. Thank yu very much.