高考英語總復(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.萬有引力 6.climate n.氣候 7.crash vi.強暴的→ 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 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.這些動物能迅速繁殖。 3.exhaust v.詳盡地討論;詳盡無遺地論述 e.g.I think we’ve just about exhausted that subject. 我認為我們對那一問題已差不多是言無不盡了。,Ⅰ,Ⅱ,Ⅲ,unlike一詞中,un-為前綴,常加在形容詞、副詞、分詞、 動詞和名詞之前。一者表示否定意義,二者可以表示相反的動作。課標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 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,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、蟲等)產(chǎn)(卵) ①They produced young generally by laying eggs.(教材原句,P26) 它們一般是通過孵蛋而繁衍后代的。 ②I laid my book aside,turned off the light and went to sleep. 我把書放在一邊,關(guān)了燈睡覺。,,,,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蛋。 ⑤My job is to lay out the text and graphics on the page. 我的工作是設(shè)計頁面上的正文和圖表。,,,,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年。 ②New companies come into existence every year. 每年都有新的公司開業(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. 他們靠他掙的那點錢無法維持生活。 ④There exists a good way to solve the existing problem in geography. 有一個解決現(xiàn)存地理問題的好辦法。 ⑤As is known to us,China came into existence as an independent country in 1949. 眾所周知,在1949年中國以一個獨立的國家存在了。 ⑥In my view,new architectural styles can exist perfectly well alongside an older style.(2014安徽卷) 在我看來,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,由于我們在努力掙脫地球的引力,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,我將無法康復(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,才真正地開始團結(jié)起來。,,,,,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、氮氣、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,羅伊和我時常見面,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. 我的班機誤點了,我只好看書消磨時間。,,,,,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) 危險區(qū)域并沒有阻止他繼續(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)做各種準備。 ⑦Please don’t break in on our conversation. 請別打斷我們的談話。,,,,,,,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 ①You are to help Mary when she is in trouble.(用情態(tài)動詞改寫句子) You should help Mary when she is in trouble. ②The president is to visit China.(用be going to 改寫句子) The president is going to visit China. ③ How am I to know what has become of him?(用情態(tài)動詞改寫句子) How can I know what has become of him?,,,,Ⅰ,Ⅱ,回扣教材,句式精解,2.as.as.比較級結(jié)構(gòu),Ⅰ,Ⅱ,回扣教材,句式精解,(1)當語境背景談的是同一個人或事物在某兩個不同的方面進行比較時,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)當語境背景談的是兩個不同的人或事物在某兩個不同的方面進行比較時,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. 他的妹妹很誠實,而他則很和藹可親。 (3)用于as.as possible 與 as.as one can結(jié)構(gòu)時,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 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,,,,,