高考英語(yǔ)總復(fù)習(xí) Unit 4 Astronomy the science of the stars課件 新人教版必修3.ppt

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Ⅰ,Ⅱ,Ⅲ,Ⅰ.讀單詞 積累詞匯 1.system n.系統(tǒng);體系;制度 2.atmosphere n.大氣層;氣氛 3.unlike prep.不同;不像 4.fundamental adj.基本的,基礎(chǔ)的 5.gravity n.萬(wàn)有引力 6.climate n.氣候 7.crash vi.強(qiáng)暴的→ violence n.暴力→ violently adv.猛烈地,,,,,,,,,,,,,,,Ⅰ,Ⅱ,Ⅲ,12.puzzle n.謎;難題 vt.生物學(xué)的,,,,,,,,,,,,Ⅰ,Ⅱ,Ⅲ,1.chain n.連鎖店;連鎖集團(tuán) e.g.a large supermarket chain一家大型連鎖超市 2.multiply v.繁殖;滋生 e.g.These creatures can multiply quickly.這些動(dòng)物能迅速繁殖。 3.exhaust v.詳盡地討論;詳盡無(wú)遺地論述 e.g.I think we’ve just about exhausted that subject. 我認(rèn)為我們對(duì)那一問(wèn)題已差不多是言無(wú)不盡了。,Ⅰ,Ⅱ,Ⅲ,unlike一詞中,un-為前綴,常加在形容詞、副詞、分詞、 動(dòng)詞和名詞之前。一者表示否定意義,二者可以表示相反的動(dòng)作。課標(biāo)詞匯中含有該前綴的還有:unable,unbearable,unbelievable,uncertain,uncomfortable,unconditional,unconscious,uncover,undo,undoubtedly,uneasy,unemployed,unexpected,unfair,unfit,unfortunate,unhappy,unhealthy,unknown,unlikely,unnecessary,unpleasant,unrest,unusual,unwilling等。,Ⅰ,Ⅱ,Ⅲ,Ⅱ.背短語(yǔ) 活學(xué)活用 1.cheer up 感到高興 2.now that 既然 3.break out 突發(fā);爆發(fā) 4.give birth to 產(chǎn)生;分娩 5.lay eggs 下蛋 6.prevent.from. 阻止;制止 7.watch out 當(dāng)心;密切注視 8.get the hang of 熟悉;掌握 9.block out 擋住(光線) 10.in one’s turn 輪到某人;接著,,,,,,,,,,,Ⅰ,Ⅱ,Ⅲ,Ⅲ.賞佳句 思維提優(yōu) 1.What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.(教材原句,P25) 2.The earth became so violent that it was not clear whether the shape would last or not.(教材原句,P25) 3.This produced a chain reaction,which made it possible for life to develop.(教材原句,P26) 4.We are too far from the earth now to feel its pull.(教材原句,P30) 5.But when I tried to step forward,I found I was carried twice as far as on the earth and fell over.(教材原句,P31) 6walking does need a bit of practice now that gravity has changed.(教材原句,P31),Ⅰ,Ⅱ,6,1,2,3,4,5,1.lay vt.put (sth/sb) in a certain position or on a surface 放置;安放;擱 spread sth (on sth);cover or coat sth with sth 攤開(kāi),涂,敷 put (sth) in the correct position for a particular purpose鋪,鋪設(shè),鋪放 (of birds,insects,etc.) produce (eggs) (指鳥(niǎo)、蟲(chóng)等)產(chǎn)(卵) ①They produced young generally by laying eggs.(教材原句,P26) 它們一般是通過(guò)孵蛋而繁衍后代的。 ②I laid my book aside,turned off the light and went to sleep. 我把書(shū)放在一邊,關(guān)了燈睡覺(jué)。,,,,Ⅰ,Ⅱ,6,1,2,3,4,5,注意下列詞形變化: lay—laid—laid—laying放置;產(chǎn)卵 lie—lay—lain—lying躺;位于 lie—lied—lied—lying撒謊,即境活用完成句子 ③That factory laid off 1,000 workers. 那家工廠解雇了1,000多名工人。 ④My canary has laid an egg. 我的金絲雀生了一個(gè)蛋。 ⑤My job is to lay out the text and graphics on the page. 我的工作是設(shè)計(jì)頁(yè)面上的正文和圖表。,,,,Ⅰ,Ⅱ,6,1,2,3,4,5,2.exist vi.to be real;to happen or be present in a particular situation or place存在;生存 ①They laid eggs too and existed on the earth for more than 140 million years.(教材原句,P26) 它們也下蛋,在地球上生存了一億四千多萬(wàn)年。 ②New companies come into existence every year. 每年都有新的公司開(kāi)業(yè)。,,,Ⅰ,Ⅱ,6,1,2,3,4,5,Ⅰ,Ⅱ,6,1,2,3,4,5,即境活用完成句子 ③They can’t exist on the money he’s earning. 他們靠他掙的那點(diǎn)錢無(wú)法維持生活。 ④There exists a good way to solve the existing problem in geography. 有一個(gè)解決現(xiàn)存地理問(wèn)題的好辦法。 ⑤As is known to us,China came into existence as an independent country in 1949. 眾所周知,在1949年中國(guó)以一個(gè)獨(dú)立的國(guó)家存在了。 ⑥In my view,new architectural styles can exist perfectly well alongside an older style.(2014安徽卷) 在我看來(lái),新的建筑風(fēng)格可以和舊的風(fēng)格和諧共存。,,,,,Ⅰ,Ⅱ,6,1,2,3,4,5,3.pull n.牽引力 ①As the rocket rose into the air,we were pushed back into our seats because we were trying to escape the pull of the earth’s gravity.(教材原句,P30) 隨著火箭的升空,由于我們?cè)谂昝摰厍虻囊?我們被向后推在座位上。,,Ⅰ,Ⅱ,6,1,2,3,4,5,Ⅰ,Ⅱ,6,1,2,3,4,5,即境活用完成句子 ②The doctor said I was not going to pull through.(北師大①—2) 醫(yī)生說(shuō),我將無(wú)法康復(fù)了。 ③The tides depend on the pull of the moon. 潮汐是月亮引力作用的結(jié)果。 ④The cinema she used to visit had been pulled down. 她常去的那家電影院已經(jīng)被拆除了。 ⑤After the shock of their electoral defeat,the party really began to pull together. 該黨在受到選舉失敗的打擊之后,才真正地開(kāi)始團(tuán)結(jié)起來(lái)。,,,,,Ⅰ,Ⅱ,6,1,2,3,4,5,4.in time ①They were in time to produce carbon,nitrogen,water vapour and other gases,which were to make the earth’s atmosphere.(教材原句,P25) 最終產(chǎn)生了碳、氮?dú)?、水蒸氣和其他多種氣體,從而形成了地球的大氣層。,,Ⅰ,Ⅱ,6,1,2,3,4,5,Ⅰ,Ⅱ,6,1,2,3,4,5,Ⅰ,Ⅱ,6,1,2,3,4,5,即境活用完成句子 ②These days,Roy and I see each other from time to time,but we’re no longer close.(外研⑥—3) 近些天來(lái),羅伊和我時(shí)常見(jiàn)面,但是不再像以前那樣親密了。 ③Don’t try to do everything at once;take it a bit at a time. 不要什么事情都一塊兒干,要一次做一點(diǎn)兒。 ④Will I be in time for the train/to catch the train? 我趕得上那趟火車嗎? ⑤My flight was delayed,so I killed time reading a book. 我的班機(jī)誤點(diǎn)了,我只好看書(shū)消磨時(shí)間。,,,,,Ⅰ,Ⅱ,6,1,2,3,4,5,5.prevent.from. 防止某事發(fā)生 ①They are putting too much carbon dioxide into the atmosphere,which prevents heat from escaping from the earth into space.(教材原句,P26) 他們把過(guò)多的二氧化碳釋放到大氣層中,這使得地球上的熱不能釋放到太空中去。,,,Ⅰ,Ⅱ,6,1,2,3,4,5,即境活用完成句子 ②Dangerous areas did not prevent him from continuing his search.(2014江西卷) 危險(xiǎn)區(qū)域并沒(méi)有阻止他繼續(xù)調(diào)查研究。 ③Can’t you stop your son from getting into trouble? 你能不能制止你兒子別惹上麻煩? ④You need warm clothes to protect you against the cold. 你需要穿暖些以免著涼。,,,,,,,Ⅰ,Ⅱ,6,1,2,3,4,5,6.break out 突發(fā);爆發(fā) ①We watched,amazed as fire broke out on the outside of the spaceship as the earth’s gravity increased.(教材原句,P31) 我們驚奇地看著,隨著地球的引力增加,宇宙飛船的外層燃燒起火。,,Ⅰ,Ⅱ,6,1,2,3,4,5,即境活用用介副詞填空 ②He broke the bar of chocolate into two (pieces). 他把巧克力掰成了兩半。 ③The prisoner broke away from his guards. 囚犯從看守者手中逃脫了。 ④The telephone system has broken down. 電話系統(tǒng)失靈了。 ⑤Rioting broke out between rival groups of fans. 雙方球迷之間發(fā)生了騷亂。 ⑥It’s the last week before they break up,and they’re doing all kinds of Christmas things. 這是放假前的最后一周,他們正在為圣誕節(jié)做各種準(zhǔn)備。 ⑦Please don’t break in on our conversation. 請(qǐng)別打斷我們的談話。,,,,,,,Ⅰ,Ⅱ,回扣教材,句式精解,1.What it was to become (become) was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.(教材原句,P25) 2but it will not be as strong a pull as the earth’s.(教材原句,P31) 3I found I was carried twice as far as on the earth and fell over.(教材原句,P31) 4.This produced a chain reaction,which made it possible for life to develop.(教材原句,P26),,,,,Ⅰ,Ⅱ,回扣教材,句式精解,1.be to do sth.,Ⅰ,Ⅱ,回扣教材,句式精解,Ⅰ,Ⅱ,回扣教材,句式精解,即境活用同義句改寫(xiě) ①You are to help Mary when she is in trouble.(用情態(tài)動(dòng)詞改寫(xiě)句子) You should help Mary when she is in trouble. ②The president is to visit China.(用be going to 改寫(xiě)句子) The president is going to visit China. ③ How am I to know what has become of him?(用情態(tài)動(dòng)詞改寫(xiě)句子) How can I know what has become of him?,,,,Ⅰ,Ⅱ,回扣教材,句式精解,2.as.as.比較級(jí)結(jié)構(gòu),Ⅰ,Ⅱ,回扣教材,句式精解,(1)當(dāng)語(yǔ)境背景談的是同一個(gè)人或事物在某兩個(gè)不同的方面進(jìn)行比較時(shí),as.as.結(jié)構(gòu)的用法與both.and.相似,通?？勺g為“既……又……”。如: He was as sensitive as he was obstinate. 他既敏感又固執(zhí)。 (2)當(dāng)語(yǔ)境背景談的是兩個(gè)不同的人或事物在某兩個(gè)不同的方面進(jìn)行比較時(shí),as.as.結(jié)構(gòu)的用法與whereas相似,通?？勺g為“而”。如: He is as kind as his sister is honest. 他的妹妹很誠(chéng)實(shí),而他則很和藹可親。 (3)用于as.as possible 與 as.as one can結(jié)構(gòu)時(shí),通?？勺g為“盡量、盡可能、拼命地”。如: I want it (to be) done as quickly as possible. 我希望這件事盡快做好。,Ⅰ,Ⅱ,回扣教材,句式精解,即境活用漢譯英 ①你犯的錯(cuò)誤和我犯的一樣多。 You’ve made as many mistakes as I have. ②她和她媽媽一樣是位好老師。 She is as good a teacher as her mother. ③我不像原來(lái)想象的有那么多錢。 I haven’t got as much money as I thought.,,,,Ⅰ,Ⅱ,回扣教材,句式精解,3.倍數(shù)表達(dá)法,Ⅰ,Ⅱ,回扣教材,句式精解,Ⅰ,Ⅱ,回扣教材,句式精解,即境活用完成句子 ①The new building is four times higher(是……的四倍高)than the old one. ②Asia is four times as large(四倍大)as Europe. ③My house is twice the size of(兩倍大)my parents’. ④The production now is three times what it was ten years ago(是十年前的三倍).,,,,,Ⅰ,Ⅱ,回扣教材,句式精解,即境活用單句改錯(cuò) ⑤You may depend on that we shall always help you. 答案:on后加it ⑥We really appreciate it that she offered to help. 答案:that→when ⑦I think it no need talk about it with them. 答案:talk→talking ⑧We took for granted that they would accept our advice. 答案:took后加it,,,,,