新目标人教版英语八年级下册Unit7课件.ppt--（课件中不含音视频）

1、Unit 7 Whats the highest mountain in the world?Part:Text Review&Knowledge TestPart:Key Words,Phrases&SentencesPart:Grammar FocusPart:Text Review&Knowledge TestMatch the facts you know.SA1aGroup AGroup Ba.Qomolangma1.8,844.43 meters highb.The Sahara2.about 9,600,000 square kilo-meters in sizec.The Ca

2、spian Sea 3.1,025 meters deepd.The Nile4.6,671 kilometers longPracticeFill in the blanks with the proper form.1.Lily gets up _(early)than Lucy.2.Which goes _(slowly),Tom or Jim?3.This book is _(interesting)than that one.4.She works _(careful)in her school.5.Who goes to bed _(late)Jim,Tom or Jack?6.I

3、 think turkey is _(delicious)of all.earliermore slowly more interesting the most carefully latestthe most deliciousExtention:Expression1.the worlds highest mountain/the highest mountain in the world世界最高的山2.the longest river最长的河 the second longest river第二长河3.the biggest desert最大的沙漠4.the most common a

4、nimals最普遍的动物5.the most populated place人口最密集的地方6.one of the oldest civilizations/countries 最古老的文明国家之一 This elephant weighs many times more than this panda.(200 cm taller/shorter,weigh much more/less,eat much more/less,eat many times more)Compare facts about these two animals.Use the language in the b

5、ox to help you make sentences.SB1aTalk about pandas in your own words,as detail as possible.2a The panda is the national treasure of China and it is a symbol of peace.A“national treasure”is something that is important to a countrys history or culture.Ba2 by panda Adult pandaColorpinkblack and whiteF

6、oodmilk(no teeth)bambooWeight0.1 to 0.kilos100 kilosLengtharound 15 cm long150 cm longLifecan live up to 20 to 30 yearsText analysis.2b-2c Para.Main Ideas1The panda keepers feed pandas.2What Lin Wei thinks of her job.3The reasons for fewer pandas.4The ways of saving pandas.1.The panda _ at the Cheng

7、du Research Base are awake very early in the morning to _ breakfast for the baby pandas.2.In _,pandas have become so _ that they are now a symbol of China.3.Adult pandas do not have babies very _,and some of the babies only live for a short time because of _.keepersprepareoftenillnessfactpopularComp

8、lete the sentences using words and phrases from the passage.2b-2c4.A special program in Chengdu teaches _ about why pandas are _ and how to save them.5.The Chinese government is helping to _ the pandas.Scientists also want to better _ the habits of pandas.childrenendangeredsaveunderstand1.Qomolangma

9、 is 8,844.43 meters high.珠穆朗玛峰高8844.43米。The Caspian Sea is 1,025 meters deep.里海深1025米。The Nile is 6,671 kilometers long.尼罗河长6671千米。“数词数词+量词量词+long(deep/heavy/high/tall/thick/wide.)”，是英语中表示计量的方法。My English teacher is 1.82 meters tall.我的英语老师高一米八二。Part:Key Words,Phrases&Sentences 长、宽、高还可以用复合形容词，即“数字+量词

10、(单数)+long(deep/heavy/high/tall/thick/wide.)”表达，中间加连字符，常用作定语。This is a ten-meter-wide street,and the traffic is busy.这条路宽十米，交通繁忙。Practice 1.黄河长5464千米。The Yellow River is 5,464 _ _.2.死海约深392米。The Dead Sea is about 392 _ _.3.The mountain is 1,500 meters high.(改为同义句)It is a _mountain.kilometers long1,50

11、0-meter-highmeters deep2.China has the biggest population in the world.中国有世界上最多的人口 population n.人口(1)population作主语时，谓语动词常用第三人称单数；当表示人口的分数或百分数时，谓语动词用复数形式。Sixty nine percent of the population in Shenzhen are from other provinces.(2)表示人口多少，要用large/big和small。特指某一地区或国家的人口时,其前加定冠词the。The population of my

12、hometown is small.我家乡的人口很少。(3)问某地人口多少用Whats the population of.或是How large is the population of.。How large is the population of your city?What is the population of your city?Practice1._ is the population of your country?A.How many B.How much C.Which D.What2.As time goes on,the worlds population is _.

13、A.more and more B.larger and larger C.smaller and smaller D.fewer and fewerBD3.Feel free to ask me anything on todays Great Wall tour.在今天的长城游中，大家尽管问我任何问题，不要拘束。feel free是英语口语中一个常用表达。feel free to do sth.无需拘束去做某事 我可以用一下你的卫生间吗？可以，请随意。Can I use your bathroom?Yes,feel free.4.The Sahara is the biggest dese

14、rt in the world.(1)形容词最高级前通常必须用定冠词the，副词最高级前可不用。使用最高级要将主语包括在比较范围内。序数词通常只修饰最高级。Tom is the tallest of the three brothers in his family.Africa is the second largest continent.(2)形容词most前面没有the，不表示最高级的含义，只表示“非常”。It is a most important problem.=It is a very important problem.(3)最高级可用(by)far,much,nearly,m

15、ostly,almost修饰。This hat is nearly/almost the biggest.*very可修饰最高级,但位置与much不同。This is the very best.This is much the best.(4)否定词语+比较级，否定词语+so.as结构表示最高级含义。Nothing is so easy as this.=Nothing is easier than this.=This is the easiest thing.Practice.Complete the sentences.1.汤姆每天锻炼，身体比以前强壮多了。Tom exercises

16、every day and he is _ _ than before.2.现在学生有越来越多的作业。The students have _ _ _ homework now.3.你越努力学习,你取得的成绩就会越好。The _ you study,_ _grades you can get.more and morethe betterhardermuch stronger.Choose the best answer.1.Which is _ season in Beijing?I think its autumn.A.good B.better C.best D.the best2.Whi

17、ch is _,the sun,the moon or the earth?Of course,the moon is.A.small B.smaller C.smallest D.the smallest3.The air in Beijing is getting much _ now than a few years ago.A.clean B.cleaner C.cleanest D.the cleanestDBD4.Mobile phones are very popular now and they are _ than before.A.cheap B.cheaper C.che

18、apest D.the cheapestB5.As far as I know,there are no man-made objects as big as this.据我所知，再没有像它这么大的人造物体了。as far as I know=so far as I know据我所知 as/so far as I can remember我记得 as/so far I can tell我能告诉你的 as/so far as I can see在我看来 As far as I can remember,Jacks got twin sister.我记得，杰克有一对孪生姐妹。They are no

19、t coming today,so far as I know.就我所知，他们今天不来了。man-made adj.人造的 hand-made手工制作的 home-made家庭制作的 machine-made机制的 tailor-made量体定制的；特制的；定做的 self-made自学而成的；自我奋斗而成的；天然形成的 The bread and pastry are homemade.6.The first woman to succeed was Junko Tabei from Japan in 1975.第一个成功的女人是在1975年日本的田部井淳子。succeed v.成功 suc

20、cess u.n.成功 successful adj.成功的 successfully adv.成功地 succeed in(doing)sth.成功做成某事 He succeeded in working out the problem.他成功解决了这个问题。PracticeFill in the blanks with success in its proper form.1.Just as the saying goes,Failure is the mother of _.2.Cheer up,Jim.I believe you can be _ in the speech.3.If

21、we have no knowledge,we cannot _ in finishing any work.succeedsuccesssuccessful7.The spirit of these climbers shows us that we should never give up trying to achieve our dreams.这些登山者的精神向我们表明：我们决不应该放弃实现自己梦想的尝试。give up doing sth.放弃做某事；半途而废 achieve ones dreams=(make)ones dreams come true实现梦想 achieve v.

22、（通过努力）实现；取得；获取；达到（梦想、成绩、成功、目的)He gave up trying it after failing many times.失败了好多次后他放弃了尝试做这事。Lily achieved very good exam results.莉莉考试取得了很好的成绩。Notice 如果give up的宾语是n.，那么n.可以放give和up之间，也可以放在 up之后；如果其宾语是pron.，那么pron.只能放在give和up之间。My uncle wants to give up drinking wine.我叔叔想要戒酒。Practice1.这是一个获得教育的好机会。你不

23、应该放弃它。Its a good chance to get education.You shouldnt _ _ _.2.史密斯先生下定决心要戒烟。Mr.Smith made a decision to _ _ _.give it up give up smoking8.Why do so many people try to climb this mountain even though it is dangerous?even though 即使；尽管 相当于even if，引导让步状语从句，一般不与并列连词but连用。Mr.Wang will come on time even tho

24、ugh it rains.尽管下雨，但王老师会按时来。9.This elephant weighs many times more than this panda.这头大象比这只大熊猫重很多倍。(1)weigh v.有重；重 weigh many times more than.比重很多倍(*time表倍数)(2)表示两倍用twice，三倍(及以上)用“基数词+times”。若要表示“比倍还要多”可在倍数前加over,more than。Extention:倍数的三种表达法(1)A+be+倍数+as+adj./adv.原级+as+B Alex is four times as strong a

25、s Blues.Alex比Blues强壮3倍。(2)A+be+倍数+adj./adv.比较级+than+B。Alex is more than three times bigger than Blues.Alex比Blues大3倍还多。(3)A+be+倍数+计量名词+of+B。Asia is four times the size of the Europe.亚洲是欧洲的四倍大。Practice1.你的房间是我的两倍大。Your room is _ _ _ _ mine.2.猎豹跑得比人快6倍还不止。A cheetah runs more than _ _ _ _ _ a man.=A che

26、etah runs over _ _ _ _ a man.twice as large/big as six times as six times faster fast asthan10.At birth,a baby panda is about.birth v.出生 n.出生；发育 at birth 出生时 give birth to.生（孩子）；引起；产生 date of birth出生日期 Mans nature at birth is good.人之初，性本善。My aunt gave birth to a beautiful baby girl yesterday.昨天我婶婶生下

27、一个漂亮的小女孩。Practice1.小袋鼠出生时在它妈妈的育儿袋里。_ _,a baby kangaroo is in its mothers pouch.2.著名的女演员姚晨生了一个健康的男孩。Yao Chen,a famous actress _ _ _ a healthy boy.At birthgave birth to11.A panda can live up to 20 to 30 years.up to到达（数量，程度等）；不多于 In some area of Africa,children get educated up to 12 years old.在非洲的一些地区，

28、孩子最多受教育到12岁。12.Adult pandas spend more than 12 hours a day eating about 10 kilos of bamboo.成年大熊猫一天花多于12个小时吃10千克竹子。spend vt.花费 spend.(in)doing sth./on sth.在(做)某事上花费(时间/金钱)Mike spends forty minutes doing his home-work every evening.迈克每天晚上花费四十分钟做作业。Contrast:cost/pay/spend/take花费(1)看主语 pay,spend主语是人；cos

29、t,take主语是物(2)看花费时间还是金钱 cost,pay表示花钱；take表示花时间；spend既可表花费时间也可表花费金钱(3)看句式结构a.sth.cost sb.moneyb.sb.pay money for sth.c.sb.spend money/time on sth./(in)doing sth.d.It takes sb.time to do sth.Practice1.He _ too much time playing computer games last summer vacation.2.It _ me about half an hour to walk to

30、 school every day.3.How much did you _ for the CD player?Two hundred yuan.4.The watch she bought yesterday _ her fifty dollars.spenttakespaycost13.Scientists say there are now fewer than 2,000 pandas living in the remaining forests.科学家们说现在不到2 000只大熊猫生活在剩下的森林里。(1)there be.doing有正在做 谓语动词be要符合就近原则。Ther

31、e are quite a few robots working in this factory.有许多机器人正在这家工厂工作。(2)remaining adj.剩余的；遗留的 I bought a pen with the remaining money.我用剩下的钱买了一支钢笔。Contrast:remain&leaveWordsUsages&e.g.remainvi.遗留遗留剩余剩余后接adj.，介词短语等作表语The police told everybody to remain in their cars.警察命令大家都留在车里。leavevt.剩余剩余leave sb./sth.+

32、介词短语“把某人/某物遗留在某地”sth.be left“某物被遗留”Nothing was left after the fire.大火之后什么也没剩下。Practice1.飞机晚点了,机场有很多人在等飞机。The plane is late,_ _ many people _ for the plane at the airport.2.唯一遗留的问题是我们怎样能筹集到钱。The only _ _ is how we can raise the money.3.杰克昨天把书落在学校里了。Jack _ his book _ _yesterday.waitingthere areremaini

33、ng questionat schoolleft14.they run over with excitement and some of them even walk into their friends and fall over!它们激动地跑过去，其中一些甚至撞上自己的伙伴而跌倒！run over,walk into和fall over均为短语动词。run over跑上前去；跑过去(over用作adv.,表示“从的 一边到另一边；穿越)walk into(走路时意外地）撞上 fall over摔倒；跌跤；倒下 fall over sth.被某物绊倒 She ran over to say

34、hello,but I didnt recognize her.她跑过来打招呼，但我没有认出她来。The drinking driver walked straight into a tree.那个醉酒的司机撞上了树。Many trees fell over after the storm.暴风雨后许多树木都倒了。Tommy fell over the dog and broke his front teeth.汤米被那只狗绊了一跤，磕掉了门牙。15.We should protect whales from water pollution.我们应该保护鲸鱼免受水污染。protect vt.保

35、护,保卫 protection n.保护 protect.from.保护免受的侵害（或侵犯）Everyone should protect the environment from pollution.每个人都应该保护环境免受污染。Extention prevent/stop/keep.from doing sth.阻止做;阻止的发生 *prevent/stop sb.from doing sth.用法相同,在主动语态中介词from可省略,被动语态中不能省略。keep sb.from doing sth.中的from无论在主动语态中还是在被动语态中都不能省略。Practice1.他抬起胳膊,保

36、护他的孩子免受伤害。He raised his arm to _ his child _ hurt.2.我们应该多植树以阻止沙尘暴的发生。We should plant more trees to _ the sandstorm _.prevent/stophappeningprotectfrom16.Some kinds of whales are in danger because humans catch whales for meat,fat and oil.因为人们为了得到肉、脂肪和食用油而捕杀鲸鱼,一些种类的鲸鱼正处在危险中。be in danger处在危险中 be out of

37、danger脱离危险 danger u.n危险 dangerous adj.危险的Practice1.Some wild animals are _(处在危险中)because of the flood.2.Its _(danger)to play on the street.in dangerdangerousPart:Grammar Focus:Numeral,Comparatives and Superlatives1.Numeral 数词是用来表示事物的数目和顺序的词。数词可分为基数词（cardinal numbers）、序数词（ordinal Numbers）和分数词（fractio

38、nal numeral）。这里单讲基数词。Sheet 1:1-10one1six6two2seven7three3eight8four4nine9five5ten10Sheet 2:11-20eleven11sixteen16twelve12seventeen17thirteen 13eighteen18fourteen 14nineteen19fifteen15twenty20Sheet 3:decade,hundred,thousandthirty-one31eighty-six86forty-two42ninety-seven97fifty-three53one hundred100si

39、xty-four64two thousand2,000seventy-five75ten thousand10,000Sheet 4:million,billiona/one hundred thousand100,000(*十万)a/one million1,000,000(*百万)ten million10,000,000(*千万)a/one hundred million100,000,000(*亿)a/one billion1,000,000,000(*十亿)(1)表示确定数量时用单数，后直接接复数词。c.num.+hundred/thousand/million/billion+n.

40、(pl.)The project lasted 5 years and cost 2 billion dollars.这项工程持续了5年、耗资$20亿。three hundred books三百本书 five thousand students五千个学生 China is over five thousand years history.中国有超过5,000年的历史。(2)表示不确切数目时，这类词后加-s且与of连 用。hundreds of people上百号人 thousands of students上千学生Notice 这类短语中，n.前如有定冠词、指示代词或形容词性物主代词时，可加o

41、f，但表示的是范围。two hundred of the workers工人中的二百（人）(3)三位数的读法由“百位数+and+两位数”组成。102:one hundred and one 123:one hundred and twenty-three(4)三位数以上的数的读法，从个位往前数，每三位数加一个逗号。从后往前数的第一个逗号代表thousand，第二个逗号是million，第三个逗号是billion，这几个词不用复数形式，其后不加and。1024:one thousand and twenty-four 2,345:two thousand,three hundred and fo

42、rty-five 12,345,678:twelve million,three hundred and fourty-five thousand,six hundred and seventy-eight(5)数词+量词+adj.(deep,high,long,wide,thick)one point two meters thick1.2米厚 two meters long2米长 one thousand one hundred and twenty-five meters deep1,125米深 eight thousand eight hundred and forty four po

43、int four three meters high8,844.43米高 nine million six hundred thousand square kilometers in size面积9,600,000平方千米 Practice.Write the following numbers in English.1.567 _ 2.609 _ 3.67,890 _five hundred(and)sixty-seven six hundred and nine sixty-seven thousand eight hundred and ninety4.98,765 _5.9,876,5

44、13_nine million,eight hundred andninety-eight thousand seven hundredand sixty-fiveseventy-six thousand,five hundred and thirteen.Choose the best answer from the given choices.1._ trees were planted on the mountain last year.A.Thousands of B.Thousand of C.Five thousand of D.Five thousands2._ people i

45、n the world are sending and receiving e-mails every day.A.Million of B.Many millions of C.Several million of D.Several millionsAB3.Can you write the number eighty-five thousand,six hundred and twenty-six?Yes,it is _.A.856,126 B.85,626 C.185,626 D.185,206B2.Comparatives&Superlatives of adj.&adv.大多数形容

46、词和副词有三个等级：原级、比较级、最高级。(1)原级:常用结构as.as.像一样 Zhang Hong is as tall as Tom.张红和汤姆一样高。(2)Comparatives 修饰比较级有much,a lot,a little,a bit,even,far常用结构：形容词比较级+than.。than一词是比较级的标志。China is much bigger than Japan.中国比日本大很多。He is taller than I.他比我高。比较级+and+比较级“越来越”Its darker and darker.天越来越黑了。The+比较级.,the+比较.“越就越”T

47、he more you exercise,the better you are.锻炼越多，身体越好。PositivesComparativesSuperlativesbad/badly/illworseworstfarfarther/furtherfarthest/furthestgood/wellbetterbestlittlelessleastmany/muchmoremostoldolder/elderoldest/eldest构成的不规则变化:构成的规则变化a.单音节词和少数双音节词一般在词尾后加-er 构成比较级或-est构成最高级：calm,cool,cheap,few,high,

48、light,quick,quiet,short,small,tall,thick,warm,wildPositivesComparativesSuperlativesbrightbrighterbrightestcoldcoldercoldestyoungyoungeryoungestb.以字母e结尾的词只加r或-st构成比较级和最高级：close,cute,late,safe,whitePositivesComparativesSuperlativesfinefinerfinestlargelargerlargest nicenicernicestPositivesComparativesS

49、uperlativesbigbiggerbiggestthinthinnerthinnestwetwetterwettestc.重读闭音节词末尾只有一个辅音字母时,先双写这个辅音字母,再加-er或-est：fat,hot,red,sadd.以“辅音字母+y”结尾的双音节词，先改y为i,再加-er或-est：busy,dirty,early,dry,heavy,healthy,hungry,lazy,pretty,tidy,uglyPositivesComparativesSuperlativeseasyeasiereasiesthappyhappierhappiestsunnysunniers

50、unnieste.少数以er,ow 结尾的双音节词加-er,-est：lowPositivesComparativesSuperlativesclevercleverercleverestnarrownarrowernarrowestyellowyelloweryellowestf.多音节词和部分双音节词在词前加more或most：beautiful,careful,comfortable,creative,expensive,dangerous,difficult,easily,friendly,fluently,modern,popular,quickly,slowly,useful *少