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    译林版英语9下 Unit 4-3 PPT课件01
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    牛津译林版九年级下册Grammar集体备课课件ppt

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    这是一份牛津译林版九年级下册Grammar集体备课课件ppt,共36页。PPT课件主要包含了might,more,pollution,polluted,polluting,many,are,Report等内容,欢迎下载使用。

    1. By 2100, peple can live n Mars.2. Earth is becming crwded and plluted. 3. Peple are nt sure whether there wuld be enugh water f xygen n Mars. 4. Mars has ne-eighth the gravity f Earth.5. Peple will have less space n Mars.
    A: Read the facts and tell "T" r "F":
    Task 1 : Revisin
    three-eighths
    Task 1 : Revisin B: Answer the fllwing questins abut the life n Mars.
    Why will we leave ur wn planet Earth ?Hw lng des the spacecraft need t get t Mars at present ?Hw lng des the spacecraft need t get t Mars in the future ?What wuld fd n Mars be like?
    Because Earth is becming mre and mre crwded and plluted.
    It takes mnths.
    Abut 20 minutes.
    Fd wuld prbably be in the frm f pills and wuld nt be s tasty.
    Task 1 : RevisinC: Fill in the blanks with prper wrds.
    Our wn planet , the Earth , is becming mre and mre ________ and _________. Hpefully, we can build a better wrld n _______ by the year 2100. At present , ur spacecraft are t slw t carry large numbers f ____________ t Mars. By 2100, the __________might take nly 20 minutes in spacecraft that travel at the speed f light. Fd n Mars wuld prbably be in the _______ f pills and wuld nt be s ________ as that n the Earth. Gravity culd be anther prblem fr peple n Mars. The gravity n Mars is nly abut______________ f that n the Earth . Peple n Mars have t wear special________ t prevent themselves frm__________ff int the space.
    Task 2 : Language pints Mving t MarsSme peple believe that humans culd live n the planet Mars by the year 2100 . Our wn planet, the Earth, is becming mre and mre crwded and plluted because f the rapid increase in ppulatin. It is hped that peple culd start all ver again and build a better wrld n Mars. Here is what life there culd be like.At present, ur spacecraft are t slw t carry large numbers f passengers t Mars -- it wuld take mnths. With the develpment f technlgy, by the year 2100, the jurney might nly take abut 20 minutes in spacecraft that travel at the speed f light! Hwever, the spacecraft wuld travel s fast that the jurney t Mars might be quite uncmfrtable. Many peple wuld feel ill.
    Task 2: Language pints.
    1.Our wn planet, the Earth, is becming mre and mre crwded and plluted.
    比较级 + and + 比较级 / mre and mre +原级
    越来越年轻    越来越快越来越细心越来越好
    yunger and yunger
    faster and faster
    mre and mre careful
    better and better
    2.crwded (adj.) -- 拥挤的 be crwded with 意为“充满,挤满”。
    e.g. 房间里挤满了人。____________________________
    The rm is crwded with peple.
    crwd (n.) --人群 e.g. She lst her sn in the crwd.
    plluted (adj.) -- 被污染的
    pllute (v.) -- pllutin (n.)
    The ___________ n the earth is serius. Many places are very __________. We shuld stp __________ ur planet.
    (1)—“Fd Safety” prblem is becming _____ these days. —I think s. The gvernment must d smething t deal with it. A.smaller and smaller B.wrse and wrse C.better and better D.nicer and nicer
    (2) With the develpment f mdern industry, there will be ______ living space fr wild animals. A.fewer and fewer B.less and less C.mre and mre D.bigger and bigger
    Task 2 : Language pintsSme peple believe that humans culd live n the planet Mars by the year 2100 . Our wn planet, the Earth, is becming mre and mre crwded and plluted because f the rapid increase in ppulatin. It is hped that peple culd start all ver again and build a better wrld n Mars. Here is what life there culd be like.At present, ur spacecraft are t slw t carry large numbers f passengers t Mars -- it wuld take mnths. With the develpment f technlgy, by the year 2100, the jurney might nly take abut 20 minutes in spacecraft that travel at the speed f light! Hwever, the spacecraft wuld travel s fast that the jurney t Mars might be quite uncmfrtable. Many peple wuld feel ill.
    3. Here is what life culd be like. What is …like?
    e.g. 你爸爸是什么样的人? ___________________________ 你的家乡以前是什么样的?______________________________________
    What's yur father like?
    What was yur hmetwn like in the past?
    注意:如果在从句中,要变换成陈述句语序。没人知道世界一百年后会是什么样子. ________________________________________________
    Nbdy knws what the wrld will be like in 100 years.
    Task 2 : Language pintsSme peple believe that humans culd live n the planet Mars by the year 2100 . Our wn planet, the Earth, is becming mre and mre crwded and plluted because f the rapid increase in ppulatin. It is hped that peple culd start all ver again and build a better wrld n Mars. Here is what life there culd be like.At present, ur spacecraft are t slw t carry large numbers f passengers t Mars -- it wuld take mnths. With the develpment f technlgy, by the year 2100, the jurney might nly take abut 20 minutes in spacecraft that travel at the speed f light! Hwever, the spacecraft wuld travel s fast that the jurney t Mars might be quite uncmfrtable. Many peple wuld feel ill.
    4. At present, ur spacecraft are t slw t carry large numbers f peple t Mars.
    (1) +adj.+ t d
    Sandy 太小了而不能去上学。
    Sandy is t yung t g t schl.
    ... s ... that ’t
    Sandy is s yung that she can’t g t schl.
    adj. +enugh t d ...
    Sandy is nt ld enugh t g t schl.
    large numbers f 许多,大量,修饰______名词 Large numbers f birds fly t the suth every winter.
    5. large numbers f ...
    辨析:the number f ……的数目 后常接可数名词复数,做主语时,谓语动词常用单数形式。
    (1)China has ______________ f peple.(2) _____________ f the ppulatin f China is 1.4 billin at present.(3) _____________ my friends came t my birthday party yesterday.
    a (large) number
    The number
    A number f
    eg.The number f turists starts t tail ff in Octber. 游客在十月份开始逐渐减少。
    Practice:—The number f turists _____ ver 33 millin this year.—Yes. A large number f turists _____ s far because f the new lk f ur city.A.is; have cme B.is; has cme C.are; has cme D.are; have cme
    Task 2 : Language pintsHumans cannt survive withut water xygen r fd. S far, nbdy knws whether there wuld be enugh water r xygen n Mars fr peple there. Mrever, scientists are nt sure whether plants culd grw n Mars. Fd wuld mst prbably be in the frm f pills and wuld nt be s tasty.Gravity culd be anther prblem. The gravity n Mars is nly abut three-eighths f that n the Earth. Peple wuld have t wear bts that are specially designed t prevent themselves frm flating ff int space.Cmpared with life n the Earth, life n Mars wuld be better in sme ways. Peple wuld have mre space. They might living in huses with huge cmfrtable rms. Als, rbts wuld d mst f their wrk s that they culd have mre time t relax.
    6. in the frm f… 以……的形式 frm (n.) 形式 e.g. 他们仍以写信的方法保持联系。   They still ______________________________________ letters.
    keep in tuch with each ther in the frm f
    frm (n.) 表格 e.g. If yu want t jin the club, fill in the frm, please.
    frm (v.) 形成e.g. 这些岩石大约四百万年前就形成了。The rcks ________________abut 4 millin years ag.
    Mving t MarsHumans cannt survive withut water xygen r fd. S far, nbdy knws whether there wuld be enugh water r xygen n Mars fr peple there. Mrever, scientists are nt sure whether plants culd grw n Mars. Fd wuld mst prbably be in the frm f pills and wuld nt be s tasty.Gravity culd be anther prblem. The gravity n Mars is nly abut three-eighths f that n the Earth. Peple wuld have t wear bts that are specially designed t prevent themselves frm flating ff int space.Cmpared with life n the Earth, life n Mars wuld be better in sme ways. Peple wuld have mre space. They might living in huses with huge cmfrtable rms. Als, rbts wuld d mst f their wrk s that they culd have mre time t relax.
    7. The gravity n Mars is nly abut three-eighths f that n Earth. 火星上的重力大约只有地球上的八分之三。 three­eighths------八分之三 英语中分数的表达法:分子用______,分母用________;分子大于1时,分母变为______形式; 分子与分母之间可加连字符,也可不加。 1/3 ne third 2/5 tw­fifths
    [拓展] 分数后面常跟f 短语,作主语时,谓语动词的单复数和f 后面名词的单复数保持一致。 Three­furths f the land is cvered by frests in that cuntry. 那个国家四分之三的土地被森林覆盖着。翻译句子:我们班五分之三是女生。____________ the students in my class ______ girls.
    Three-fifths f
    Practice:1).Abut ______ f the students are frm freign cuntries. A. three fur B. three furthC. third furth D. three furths
    2)—What d yu think f the envirnment here, Mr Wang? —Wnderful! ________ f the land ________ cvered with trees and grass.A. Tw fifths; is B. Tw fifth; isC. Tw fifths; are D. Tw fifth; are
    3) . —Mum, ____ f my classmates _____ glasses. —Oh, my Gd. Yu need t prtect yur eyes well.A.three­furths; wearsB.three­furth; wearC.three­furth; wearsD.three­furths; wear
    Task 2 : Language pintsHumans cannt survive withut water xygen r fd. S far, nbdy knws whether there wuld be enugh water r xygen n Mars fr peple there. Mrever, scientists are nt sure whether plants culd grw n Mars. Fd wuld mst prbably be in the frm f pills and wuld nt be s tasty.Gravity culd be anther prblem. The gravity n Mars is nly abut three-eighths f that n the Earth. Peple wuld have t wear bts that are specially designed t prevent themselves frm flating ff int space.Cmpared with life n the Earth, life n Mars wuld be better in sme ways. Peple wuld have mre space. They might living in huses with huge cmfrtable rms. Als, rbts wuld d mst f their wrk s that they culd have mre time t relax.
    8. prevent sb (frm) ding sth意为“______________”,= stp sb (frm) ding sth和keep sb frm ding sth同义。(其中keep sb frm ding sth 的frm不可省略,省略后,其意义发生变化。)即:keep sb ding sth意为“_______________” e.g. The heavy rain prevented/stpped/kept him frm__________ (cme)t schl n time. 这场大雨使他没能按时到校。I'm srry t keep yu ________(wait) fr a lng time.我很抱歉让你等了很长时间。
    8. Cmpared with life n Earth, life n Mars wuld be better in sme ways. 与在地球上的生活相比, 火星上的生活在某些方面要好些。 cmpare with … “ 与……做比较”。在句中是过去分词短语作状语.
    When yu________ yurself with thers, yu miss the wnder f wh yu B. cmmunicate C.cntact D.cnnect
    e.g. Cmpared with the train's six days, the plane cvered the distance in 28 hurs.
    Mre exercises:1. 小汽车正以每小时100公里的速度行驶。 The car ________________________________ 100 kilmetres per hur.2. 火星上的空气要比地球上的稀薄很多。 The air n Mars _______________________________ n the Earth.3. 多做运动可以防止你发胖。 Ding mre exercise can ____________________________________.4. 由于私家车的迅速增加,交通拥堵越来越严重。 Traffic jams are becming _____________________ because f ________________ private cars.5. 那座城市有近五分之二的地区是以自然保护区的形式受到保护的。 Almst __________the city ________________________nature reserves.6. 与地球上的生活相比,火星生活对于我更有吸引力。 _____________ life n Earth, life n Mars is _________________ t me.
    is travelling at the speed f
    is much thinner than that
    prevent/stp/keep yu frm getting fat
    wrse and wrse
    the rapid inrease in
    tw-fifths f
    is prtected in the frm f
    Cmpared with
    mre attractive
    Thinking abut life n Mars
    ☆ Nt crwded/plluted☆ Have mre space☆ Rbts will d ur wrk.☆ Students will study at hme. …
    ◇ Lw gravity◇ Fd desn't taste gd ◇ Travel will make peple feel sick.◇ Have t wear heavy bts …
    Disadvantages
    Task 3 : Thinking
    Students wuld study at nline schls with “e-teachers”.
    Is this an advantage r a disadvantage?
    Hmewrk: 1. Finish the reprt. 2. Review the language pints. 3. Finish the exercises.
    Exercises:一、单词拼写A.根据所给中文提示完成单词1. There are eight _______________(行星) in ur slar system.2. It's hped the cmpany will have a great _______________(增加) in internatinal sales next year.3. Dn't drive after drinking wine. It isn't wrth the _____________ (风险).4. I dn't like t shw myself ff befre _______________ (陌生人).5. This cach can carry 45 _________________ (乘客) at mst at a time.6. Mre and mre peple rushed int the hall and it became even mre _______________ (拥挤) is nw n ________________ (可能性) that she will finish the task n her wn.8. Many cuntries in the wrld have reached an ______________ (一致) t reduce air pllutin.
    二、单项填空( ) 1. If yu want t drive n Mars, yu can buy a car which ______ in the air. A.flats B. t flating C. flat D. t flat( ) 2. Abut _____f the earth______ cvered with the sea. A. three-furths, is B. three-furth, is C. third-furths, are D. three-furths, are( ) 3. Dn't wrry. I think what we need t d __________. A. is ding B. was ding C. is dne D. has dne ( ) 4. At the science museum, the children get t knw ________. A. what is the spaceship like B. what the spaceship lks like C. hw the spaceship lks like D. hw des the spaceship lk like( ) 5. — ________ the news spreads! Nw everyne in the twn knws abut it. — Bad news has wings. A. What rapid B. Hw rapid C. What rapidly D. Hw rapidly( ) 6. —Life n Mars is interesting and amazing, isn't it? — _________. It's really hard fr us t survive there. A. I agree. B. I think s. C. Yes, it is. D. I dn’t think s.
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