八年級英語下冊 Unit 7 What's the highest mountain in the world教學(xué)課件 （新版）人教新目標(biāo)版

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 squ

2、are kilo-meters in sizec. The Caspian 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.

3、5. Who goes to bed _(late) Jim, Tom or Jack?6. I 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最長的河 the second longest

4、 river第二長河3. the biggest desert最大的沙漠4. the most common animals最普遍的動物5. the most populated place人口最密集的地方6. one of the oldest civilizations/countries 最古老的文明國家之一 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)Co

5、mpare facts about these two animals. Use the language in the box 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 hi

6、story or culture. Ba2 by panda Adult pandaColorpinkblack and whiteFoodmilk(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 fo

7、r fewer pandas.4The ways of saving pandas.1. The panda _ at the Chengdu 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 liv

8、e for a short time because of _.keepersprepareoftenillnessfactpopularComplete 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 t

9、o better _ the habits of pandas.childrenendangeredsaveunderstand1. Qomolangma is 8,844.43 meters high. 珠穆朗瑪峰高8844.43米。 The Caspian Sea is 1,025 meters deep. 里海深1025米。 The Nile is 6,671 kilometers long. 尼羅河長6671千米。 “數(shù)詞數(shù)詞+量詞量詞+long(deep/heavy/high/tall/thick/wide.)”，是英語中表示計量的方法。 My English teacher is

10、1.82 meters tall. 我的英語老師高一米八二。Part : Key Words, Phrases & Sentences 長、寬、高還可以用復(fù)合形容詞，即“數(shù)字+量詞(單數(shù))+long(deep/heavy/high/tall/thick/wide.)”表達(dá)，中間加連字符，常用作定語。 This is a ten-meter-wide street, and the traffic is busy. 這條路寬十米，交通繁忙。Practice 1. 黃河長5464千米。 The Yellow River is 5, 464 _ _. 2. 死海約深392米。 The Dea

11、d Sea is about 392 _ _. 3. The mountain is 1,500 meters high.(改為同義句) It is a _mountain. kilometers long1,500-meter-highmeters deep2. China has the biggest population in the world. 中國有世界上最多的人口 population n.人口(1)population作主語時，謂語動詞常用第三人稱單數(shù)；當(dāng)表示人口的分?jǐn)?shù)或百分?jǐn)?shù)時，謂語動詞用復(fù)數(shù)形式。 Sixty nine percent of the population

12、in Shenzhen are from other provinces.(2)表示人口多少，要用large/big和small。特指某一地區(qū)或國家的人口時, 其前加定冠詞the。 The population of my hometown is small. 我家鄉(xiāng)的人口很少。(3)問某地人口多少用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. _

13、 is the population of your country? A. How many B. How much C. Which D. What2. As time goes on, the worlds population is _. 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. 在今天的長城游中，大家盡管問我任何問題，不要拘束。 feel free是

14、英語口語中一個常用表達(dá)。 feel free to do sth.無需拘束去做某事 我可以用一下你的衛(wèi)生間嗎？ 可以，請隨意。 Can I use your bathroom? Yes, feel free.4. The Sahara is the biggest desert in the world.(1)形容詞最高級前通常必須用定冠詞the，副詞最高級前可不用。使用最高級要將主語包括在比較范圍內(nèi)。序數(shù)詞通常只修飾最高級。 Tom is the tallest of the three brothers in his family. Africa is the second largest

15、 continent.(2)形容詞most前面沒有the，不表示最高級的含義，只表示“非?！薄?It is a most important problem. =It is a very important problem.(3)最高級可用(by) far, much, nearly, mostly, almost修飾。 This hat is nearly/almost the biggest. *very可修飾最高級,但位置與much不同。 This is the very best. This is much the best.(4) 否定詞語+比較級，否定詞語+ so.as結(jié)構(gòu)表示最高

16、級含義。 Nothing is so easy as this. =Nothing is easier than this. =This is the easiest thing.Practice . Complete the sentences.1. 湯姆每天鍛煉，身體比以前強(qiáng)壯多了。 Tom exercises every day and he is _ _ than before. 2. 現(xiàn)在學(xué)生有越來越多的作業(yè)。 The students have _ _ _ homework now. 3. 你越努力學(xué)習(xí), 你取得的成績就會越好。 The _ you study, _ _grades

17、 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. Which is _, the sun, the moon or the earth?Of course, the moon is. A. small B. smaller C. smallest D. the smallest3. The air i

18、n 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. cheapest D. the cheapestB5. As far as I know, there are no man-made objects as big as this. 據(jù)我所知，再沒有像它這么大的人

19、造物體了。 as far as I know=so far as I know據(jù)我所知 as/so far as I can remember我記得 as/so far I can tell我能告訴你的 as/so far as I can see在我看來 As far as I can remember, Jacks got twin sister. 我記得，杰克有一對孿生姐妹。 They are not coming today, so far as I know. 就我所知，他們今天不來了。 man-made adj.人造的 hand-made手工制作的 home-made家庭制作的 m

20、achine-made機(jī)制的 tailor-made量體定制的；特制的；定做的 self-made自學(xué)而成的；自我奮斗而成的；天然形成的 The bread and pastry are homemade.6. The first woman to succeed was Junko Tabei from Japan in 1975. 第一個成功的女人是在1975年日本的田部井淳子。 succeed v.成功 success 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 succee

21、ded in working out the problem. 他成功解決了這個問題。 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 we have no knowledge, we cannot _ in finishing any work. succeedsuccesssuccessf

22、ul7. The spirit of these climbers shows us that we should never give up trying to achieve our dreams. 這些登山者的精神向我們表明：我們決不應(yīng)該放棄實現(xiàn)自己夢想的嘗試。 give up doing sth.放棄做某事；半途而廢 achieve ones dreams= (make) ones dreams come true實現(xiàn)夢想 achieve v.（通過努力）實現(xiàn)；取得；獲??； 達(dá)到（夢想、成績、成功、目的) He gave up trying it after failing many

23、times. 失敗了好多次后他放棄了嘗試做這事。 Lily achieved very good exam results. 莉莉考試取得了很好的成績。Notice 如果give up的賓語是n.，那么n.可以放give和up之間，也可以放在 up之后；如果其賓語是pron.，那么pron.只能放在give和up之間。 My uncle wants to give up drinking wine. 我叔叔想要戒酒。 Practice1. 這是一個獲得教育的好機(jī)會。你不應(yīng)該放棄它。 Its a good chance to get education. You shouldnt _ _ _.

24、2. 史密斯先生下定決心要戒煙。 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；盡管 相當(dāng)于even if，引導(dǎo)讓步狀語從句，一般不與并列連詞but連用。 Mr. Wang will come on time even though it rains. 盡管下雨，但王老師會按時來。9. This elephant weighs m

25、any times more than this panda. 這頭大象比這只大熊貓重很多倍。(1)weigh v.有重；重 weigh many times more than. 比重很多倍(*time表倍數(shù))(2)表示兩倍用twice，三倍(及以上)用“基數(shù)詞+times”。若要表示“比倍還要多”可在倍數(shù)前加over, more than。Extention: 倍數(shù)的三種表達(dá)法(1)A+be+倍數(shù)+as+adj./adv.原級+as + B Alex is four times as strong as Blues. Alex比Blues強(qiáng)壯3倍。(2)A+be+倍數(shù)+adj./adv.比

26、較級+than + B。 Alex is more than three times bigger than Blues. Alex比Blues大3倍還多。(3)A+be+倍數(shù)+計量名詞+of+B。 Asia is four times the size of the Europe. 亞洲是歐洲的四倍大。Practice1. 你的房間是我的兩倍大。 Your room is _ _ _ _ mine. 2. 獵豹跑得比人快6倍還不止。 A cheetah runs more than _ _ _ _ _ a man. =A cheetah runs over _ _ _ _ a man.twi

27、ce 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；發(fā)育 at birth 出生時 give birth to.生（孩子）；引起；產(chǎn)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. 昨天我嬸嬸生下一個漂亮的小女孩。Practice1. 小袋鼠出生時

28、在它媽媽的育兒袋里。 _ _, a baby kangaroo is in its mothers pouch. 2. 著名的女演員姚晨生了一個健康的男孩。 Yao Chen, a famous actress _ _ _ a healthy boy.At birthgave birth to11. A panda can live up to 20 to 30 years. up to到達(dá)（數(shù)量，程度等）；不多于 In some area of Africa, children get educated up to 12 years old. 在非洲的一些地區(qū)，孩子最多受教育到12歲。12.

29、 Adult pandas spend more than 12 hours a day eating about 10 kilos of bamboo. 成年大熊貓一天花多于12個小時吃10千克竹子。 spend vt.花費(fèi) spend. (in) doing sth./on sth. 在(做)某事上花費(fèi)(時間/金錢) Mike spends forty minutes doing his home-work every evening. 邁克每天晚上花費(fèi)四十分鐘做作業(yè)。Contrast: cost/pay/spend/take花費(fèi)(1)看主語 pay, spend主語是人；cost, ta

30、ke主語是物(2)看花費(fèi)時間還是金錢 cost, pay表示花錢；take表示花時間； spend既可表花費(fèi)時間也可表花費(fèi)金錢(3)看句式結(jié)構(gòu)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

31、 to walk to 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. 科學(xué)家們說現(xiàn)在不到2 000只大熊貓生活在剩下的森林里。(1)there be.doing有正在做

32、 謂語動詞be要符合就近原則。 There are quite a few robots working in this factory. 有許多機(jī)器人正在這家工廠工作。(2)remaining adj.剩余的；遺留的 I bought a pen with the remaining money. 我用剩下的錢買了一支鋼筆。Contrast: remain & leaveWordsUsages & e.g.remainvi.遺留遺留剩余剩余后接adj.，介詞短語等作表語The police told everybody to remain in their cars.警察命令

33、大家都留在車?yán)?。leavevt.剩余剩余l(xiāng)eave sb./sth.+介詞短語“把某人/某物遺留在某地” sth. be left“某物被遺留”Nothing was left after the fire.大火之后什么也沒剩下。Practice1. 飛機(jī)晚點了, 機(jī)場有很多人在等飛機(jī)。 The plane is late, _ _ many people _ for the plane at the airport. 2. 唯一遺留的問題是我們怎樣能籌集到錢。 The only _ _ is how we can raise the money. 3. 杰克昨天把書落在學(xué)校里了。 Jack

34、_ his book _ _yesterday.waitingthere areremaining questionat schoolleft14. .they run over with excitement and some of them even walk into their friends and fall over! 它們激動地跑過去，其中一些甚至撞上自己的伙伴而跌倒！ run over, walk into和fall over均為短語動詞。 run over跑上前去；跑過去(over用作adv., 表示“從的 一邊到另一邊；穿越) walk into(走路時意外地）撞上 fal

35、l over摔倒；跌跤；倒下 fall over sth.被某物絆倒 She ran over to say hello, but I didnt recognize her. 她跑過來打招呼，但我沒有認(rèn)出她來。 The drinking driver walked straight into a tree. 那個醉酒的司機(jī)撞上了樹。 Many trees fell over after the storm. 暴風(fēng)雨后許多樹木都倒了。 Tommy fell over the dog and broke his front teeth. 湯米被那只狗絆了一跤，磕掉了門牙。15. We shoul

36、d protect whales from water pollution. 我們應(yīng)該保護(hù)鯨魚免受水污染。 protect vt.保護(hù), 保衛(wèi) protection n.保護(hù) protect.from.保護(hù)免受的侵害（或侵犯） Everyone should protect the environment from pollution. 每個人都應(yīng)該保護(hù)環(huán)境免受污染。Extention prevent/stop/keep.from doing sth. 阻止做; 阻止的發(fā)生 *prevent/stop sb. from doing sth.用法相同, 在主動語態(tài)中介詞from可省略, 被動語態(tài)

37、中不能省略。 keep sb. from doing sth.中的from無論在主動語態(tài)中還是在被動語態(tài)中都不能省略。Practice1. 他抬起胳膊, 保護(hù)他的孩子免受傷害。 He raised his arm to _ his child _ hurt. 2. 我們應(yīng)該多植樹以阻止沙塵暴的發(fā)生。 We should plant more trees to _ the sandstorm _.prevent/stophappeningprotectfrom16. Some kinds of whales are in danger because humans catch whales fo

38、r meat, fat and oil. 因為人們?yōu)榱说玫饺?、脂肪和食用油而捕殺鯨魚, 一些種類的鯨魚正處在危險中。 be in danger處在危險中 be out of danger脫離危險 danger u.n危險 dangerous adj.危險的Practice1. Some wild animals are _(處在危險中)because of the flood. 2. Its _(danger) to play on the street.in dangerdangerousPart : Grammar Focus: Numeral, Comparatives and Supe

39、rlatives1. Numeral 數(shù)詞是用來表示事物的數(shù)目和順序的詞。數(shù)詞可分為基數(shù)詞（cardinal numbers）、序數(shù)詞（ordinal Numbers）和分?jǐn)?shù)詞（fractional numeral）。這里單講基數(shù)詞。Sheet 1: 1-10one1six6two2seven7three3eight8four4nine9five5ten10Sheet 2: 11-20eleven11sixteen16twelve12seventeen17thirteen 13eighteen18fourteen 14nineteen19fifteen15twenty20Sheet 3: de

40、cade, hundred, thousandthirty-one31eighty-six86forty-two42ninety-seven97fifty-three53one hundred100sixty-four64two thousand2,000seventy-five75ten thousand10,000Sheet 4: million, billiona/one hundred thousand100,000(*十萬)a/one million1,000,000(*百萬)ten million10,000,000(*千萬)a/one hundred million100,000

41、,000(*億)a/one billion1,000,000,000(*十億)(1)表示確定數(shù)量時用單數(shù)，后直接接復(fù)數(shù)詞。 c.num.+hundred/thousand/million/billion+n.(pl.) The project lasted 5 years and cost 2 billion dollars. 這項工程持續(xù)了5年、耗資$20億。 three hundred books三百本書 five thousand students五千個學(xué)生 China is over five thousand years history. 中國有超過5,000年的歷史。(2)表示不確

42、切數(shù)目時，這類詞后加-s且與of連 用。 hundreds of people上百號人 thousands of students上千學(xué)生Notice 這類短語中，n.前如有定冠詞、指示代詞或形容詞性物主代詞時，可加of，但表示的是范圍。 two hundred of the workers工人中的二百（人）(3)三位數(shù)的讀法由“百位數(shù)+and+兩位數(shù)”組成。 102: one hundred and one 123: one hundred and twenty-three(4)三位數(shù)以上的數(shù)的讀法，從個位往前數(shù)，每三位數(shù)加一個逗號。從后往前數(shù)的第一個逗號代表thousand，第二個逗號是m

43、illion，第三個逗號是billion，這幾個詞不用復(fù)數(shù)形式，其后不加and。 1024: one thousand and twenty-four 2,345: two thousand, three hundred and forty-five 12,345,678: twelve million, three hundred and fourty-five thousand, six hundred and seventy-eight (5)數(shù)詞+量詞+adj.(deep, high, long, wide, thick) one point two meters thick1.2米厚

44、 two meters long2米長 one thousand one hundred and twenty-five meters deep1,125米深 eight thousand eight hundred and forty four point four three meters high8,844.43米高 nine million six hundred thousand square kilometers in size面積9,600,000平方千米 Practice. Write the following numbers in English.1. 567 _ 2. 6

45、09 _ 3. 67,890 _five hundred (and) sixty-seven six hundred and nine sixty-seven thousand eight hundred and ninety4. 98,765 _5. 9,876,513_nine million, eight hundred andninety-eight thousand seven hundredand sixty-fiveseventy-six thousand, five hundred and thirteen. Choose the best answer from the gi

46、ven choices.1. _ trees were planted on the mountain last year. A. Thousands of B. Thousand of C. Five thousand of D. Five thousands2. _ people in 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 n

47、umber 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. 大多數(shù)形容詞和副詞有三個等級：原級、比較級、最高級。(1)原級: 常用結(jié)構(gòu)as.as.像一樣 Zhang Hong is as tall as Tom. 張紅和湯姆一樣高。(2)Comparatives 修飾比較級有much, a lot, a little, a bit

48、, even, far常用結(jié)構(gòu)：形容詞比較級+than.。than一詞是比較級的標(biāo)志。 China is much bigger than Japan. 中國比日本大很多。 He is taller than I. 他比我高。比較級+and+比較級“越來越” Its darker and darker. 天越來越黑了。The+比較級., the+比較.“越就越” The more you exercise, the better you are. 鍛煉越多，身體越好。PositivesComparativesSuperlativesbad/badly/illworseworstfarfarth

49、er/furtherfarthest/furthestgood/wellbetterbestlittlelessleastmany/muchmoremostoldolder/elderoldest/eldest構(gòu)成的不規(guī)則變化: 構(gòu)成的規(guī)則變化a. 單音節(jié)詞和少數(shù)雙音節(jié)詞一般在詞尾后加-er 構(gòu)成比較級或-est構(gòu)成最高級：calm, cool, cheap,few, high, light, quick, quiet, short, small, tall, thick, warm, wildPositivesComparativesSuperlativesbrightbrighterbri

50、ghtestcoldcoldercoldestyoungyoungeryoungestb. 以字母e結(jié)尾的詞只加r或-st構(gòu)成比較級和最高級：close, cute, late, safe, whitePositivesComparativesSuperlativesfinefinerfinestlargelargerlargest nicenicernicestPositivesComparativesSuperlativesbigbiggerbiggestthinthinnerthinnestwetwetterwettestc. 重讀閉音節(jié)詞末尾只有一個輔音字母時, 先雙寫這個輔音字母,

51、再加-er或-est：fat, hot, red, sadd. 以“輔音字母+y”結(jié)尾的雙音節(jié)詞，先改y為i, 再加-er或-est：busy, dirty, early, dry, heavy, healthy, hungry, lazy, pretty, tidy, uglyPositivesComparativesSuperlativeseasyeasiereasiesthappyhappierhappiestsunnysunniersunnieste. 少數(shù)以er,ow 結(jié)尾的雙音節(jié)詞加-er, -est：lowPositivesComparativesSuperlativesclev

52、ercleverercleverestnarrownarrowernarrowestyellowyelloweryellowestf. 多音節(jié)詞和部分雙音節(jié)詞在詞前加more或most：beautiful, careful, comfortable, creative, expensive, dangerous, difficult, easily, friendly, fluently, modern, popular, quickly, slowly, useful *少數(shù)單音節(jié)詞也是這樣，如pleased, tired。PositivesComparativesSuperlativesd

53、eliciousmore most interestingmore most importantmore most (3)Superlatives 英 語 中 三 者 或 三 者 以 上 相 比 較 ， 表 示“最” 這樣的最高程度概念時，要用 “the+最高級(+of/ in)” 的結(jié)構(gòu)表示。這種句式一般帶有表示比較的介詞短語，比如：in our class, of the three 等。 Wang Lin is the tallest in our class. This theater is the cheapest of the three.a. 表示“最之一”的句式，要用 one

54、of the+adj. Superlatives+n.(pl.)。 Hilton Hotel is one of the biggest hotels in our city. Mike is one of my best friends.b. 當(dāng)最高級前面有物主代詞或名詞所有格時，不加定冠詞 the。 Tom is Lucys best friend. Tuesday is her busiest day.c. 最高級前可加序數(shù)詞。 The Yellow River is the second longest river in China.d. 形容詞最高級修飾作表語或介詞賓語的n./pron.時，被修飾的詞往往省略。 He is the laziest (student) in our class. Im not the earliest arrived here.e. 表示三者或三者以上比較，可用“Which/