初中英语牛津译林版九年级下册Reading评课课件ppt
展开D yu think it is pssible fr human beings t live n Mars?
Mars
a better wrld …
crwdedplluted
Sme scientists think that we culd live n Mars by the next century.
Enjy yur imaginatin
If we mve t Mars, what will the life be?
Hw can we survive?What abut gravity? (重力)/ hme? / schl? / transprt? (交通)……
Learning aims
1.T grasp the new wrds and use them t finish the understand the article and get t knw the life n list differences between life n Earth and life n Mars.
1.planet 2.plluted 3.rapid / rapidly4.increase 5.passenger 6.uncmfrtable 9.all ver again 10.at a/the speed f… 11.in the frm f …12.cmpare t/with
1.行星(n) 2.被污染的(adj) 3.快的,迅速(adj)/(adv.)4.增加(n) 5.乘客6.不舒服的,不舒适的7.味道好的8.特别地(adv)再,重新9.以…的速度10.以…的形式11.与…比较
Can yu read?
12.拥挤的13.氧气14.飘浮,漂浮15.行星间的16.网络17.挑战性的
Read the passage, match the wrds n the left with the meanings n the right.
all ver again
fr ne purpse
a secnd time frm the begin
decide in what way things are similar r different
having a nice taste
full f peple
happening in a shrt perid f time
a persn wh rides in a car, bus, train, etc. but des nt drive it
the ttal number f peple in an area, a cuntry, etc.
Wrd exercises:1.Earth is ne f the ________in the slar (快的,迅速的)learning:Learn t speak a new language in 10 weeks. The students is shwing ________(快的) prgress in his studies. She changed her clthes ________(迅速的). 3.I think we’d better ___________(提高;增加) prductin levels. There was an _________(增加) f nearly 20% in , neither the driver nr the __________(乘客) were hurt.
5.It is reprted that n that planet water is in the f_____f ice because it is very cld des yur car _________(比较)with mine? _______(比较) with him, I’m just a beginner. _______(比较)with his hmewrk and yu’ll find his is much came here ________(特地) t say srry t her. I like t swim ,__________(特别,尤其)in the spring this place is ________(拥挤的) with waste water is _________(污染) the river. Many fields are ________( 污染) these days.
Match the keywrds with the links(链接). Write the crrect letters in the blanks.
Listen t the tape, and then read the passage t chse the best answer. (Part B3)
Read the passage and chse the best answer.
Read the text again and answer: What will life be like?
at present
Hw d we get there?
Hw lng des it take?
Hw will we get there?
Hw lng will it take?
What will we eat n Mars?
Will it be a big prblem?
Why is it a big prblem?
Why is it very dangerus?
T prevent this, what shuld peple d?
Educatin
What kind f schl will students study in?
What d they call their teachers?
Cmplete this list. Use the infrmatin frm the article n pages 52 and 53.
Read the passage carefully and cmplete the list.
Spacecraft wuld travel at the speed f light.
There might nt be enugh water and xygen.
Fd wuld mst prbably be in the frm f pills and wuld nt be s tasty.
Peple wuld have t wear special bts.
Peple might live in huses with huge cmfrtable rms.
Peple culd have mre time t relax.
Students wuld study at nline schls.
Accrding t the text,fill in the blanks:
The Earth is becming mre and mre crwded and plluted _________ the _____________ in ppulatin. It is hped that peple culd start ____________ n Mars. Here is what life there culd be. __________ 2100, the jurney t Mars might nly take abut 20 minutes in spacecraft that travel _____________ light! And fd wuld mst prbably be ____________ pills and wuld nt be s ______.
rapid increase
By the year
at the speed f
in the frm f
Peple wuld have t _______ bts that are specially designed t prevent themselves ________________ (flat ff )int space. At the same time, peple n Mars wuld have mre space. They might live in huses with huge cmfrtable rms. Als, rbts wuld d mst f their wrk _______ they culd have mre time t relax. Life n Mars wuld be interesting __________ challenging.
frm flating ff
I. 用括号内所给词的适当形式填空。 There is less air ________ (pllute) in twn that in the city.2. Lk at the newest T-shirt. It’s made f cttn. I think it will becme __________ (fashin) this summer.3. It’s ______(high) pssible that peple can live n Mars in the future.4. Grandma is t ld _______ (settle) n anther planet.
5. The helmet is made f metal. It’s t heavy. When I wear it, I feel _____________ (cmfrt).6. My father cks very well. The fd he cks is as ______ (taste) as that in the restaurant.7. Here are many kinds f mn cakes fr yu_________ (chse) frm.
uncmfrtable
8. __________ (cmpare) with what he had already, the new stamps were nt very interesting.9. _________ (hpe), dctrs have fund a new way t perate n the patients --- flying hspital.10. We shuld keep water frm ______ (be) plluted.
II. 翻译下列句子。
1. 火星上的重力大约只有地球上的八分之三。
The gravity n Mars is nly abut three-eighths f that n the Earth.
2. 火星上的生活,不仅有挑战性,还很有趣。
Life n Mars wuld be interesting as well as challenging.
1.T make a list f the things that an astrnaut uses2. Learn all the wrds in this class by heart.
1. At present, ur spacecraft are t slw t carry large numbers f passengers t Mars. 目前,我们的宇宙飞船太慢了,无法运送大批的乘客去火星。
Language pints
Large numbers f 表示“大量的”= a large number f
Large numbers f peple g travelling during the Natinal Day hliday.
2. 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! 随着技术的发展,到2100年,乘坐以光速飞行的宇宙飞船,行程或许只要大约20分钟!
I was secnd in the race with a time f 14.2 secnds.
介词with短语,在句中常用作状语,表示原因、条件、时间、伴随、方式等。
我以14.2秒的成绩在比赛中位列第二。
By the time I gt t the statin the train had already gne.
by 表示“到...为止,截止... ”
等我到达火车站时,火车已经开走了。
at a/the speed f 表示“以……的速度”
The car is mving at a speed f 100 kilmetres per hur.
小汽车正以每小时100公里的速度行驶。
3. The gravity n Mars is nly abut three-eighths f that n the Earth.火星上的重力大约只有地球上的八分之三。
The air n Mars is much thinner than that n the Earth.
在做比较时,我们常用that/thse指代句中类似或相同的那一部分。此句中that指代前面的gravity.
火星上的空气要比地球上的稀薄的多。
Three-eighths 八分之三分数在英语中通常是借助于基数词和序数词来共同表达的。其中基数词表示分子,序数词表示分母。如:ne-tenth 十分之一a third 三分之一注意:分子除用ne外,也可用a;
tw thirds 三分之二fur fifths 五分之四但是,1/2不能说a (ne) secnd, 而要说 a (ne) half。1/4和3/4可以说 a (ne) furth 和 three furths, 但常用a quarter 和 three quarters表示。
如果分子大于1, 分母要用复数形式。如:
选择题。Abut ______ f the students are frm freign cuntries. (2011山东东营)A. three fur B. three furthC. third furth D. three furths翻译句子。我们班五分之三是女生。_____________ the students in my class________ girls.
Three-fifths f
4. Cmpared with life n the Earth, life n Mars wuld be better in sme ways.与地球上的生活相比,火星上的生活在有些方面要好些。
Children seem t learn mre interesting things cmpared t/with when we were at schl.
cmpared with… 表示“与……相比”此句中的 “cmpared with the life n the Earth” 为 v-ed短语作状语。
与我们上学时相比,孩子现在学到的有趣东西似乎更多一些。
拓展:cmpare ... t 意为“把……比作……”。Shakespeare cmpared the wrld t a stage.莎士比亚把人世比作舞台。
用cmpare with 和 cmpare t 的正确形式填空。 He cannt _____________ Shakespeare as a writer f tragedies.2. Yu cannt _________ this war _____ the Vietnam war (越南战争).
cmpare with
cmpare t
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