牛津译林版九年级下册Grammar集体备课课件ppt

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.