,必修3 Unit 1Unit 5,Unit 4 Astronomy：the science of the stars,1_ (n.) 系統(tǒng)；體系；制度 2_ (n.) 學說；理論 3_ (n.) 大氣層；氣氛 4_ (adj.) 基本的；基礎(chǔ)的 5_ (adv.) 因此；于是 6_(vi.&vt.) 乘；增加 7_ (adj.) 溫和的；文雅的 8_ (vi.&vt.) 碰撞；墜落 9_ (n.&vt.) 拉(力)；拖；牽引力,重點單詞,system theory atmosphere fundamental thus multiply gentle crash pull,10_ (vi.&vt.) (使)浮動；(使)漂浮 (n.) 漂浮物 11_ (prep.)不同；不像_ (vt.) 喜歡 (prep.) 相像的_ (adj.) 可能的 12_ (adj.) 猛烈的；激烈的；強暴的_(n.) 暴力 _ (adv.) 暴力地；猛烈地 13_ (adj.) 有害的_(n.&v.) 傷害_ (adj.) 無害的 14_ (vi.) 存在；生存_ (n.) 存在；生存 15_(vt.&vi.)(使)迷惑；(使)為難(n.)謎；難題_(adj.)迷惑不解的,float,unlike,like,likely,violent,violence,violently,harmful,harm,harmless,exist,existence,puzzle,puzzled,1_ 及時；終于 2_ 下蛋 3_ 生產(chǎn)；分娩 4_ 輪到某人；接著 5_ 阻止；制止 6_ 感到高興；感到振奮 7_ 既然 8_ 突發(fā)；爆發(fā) 9_ 密切注視；當心；提防 10_ 擋住(光線),重點短語,in time lay eggs give birth to in one's turn prevent.from cheer up now that break out watch out block out,1But when I tried to step forward，I found I was carried twice as far as on the earth and fell over. 而當我試著向前邁步時，我發(fā)覺我被送出去很遠，步子的跨度竟是在地球上的兩倍，因而我摔倒了。 解讀 “twice as形容詞原級as”是倍數(shù)表達法之一。 仿寫 新技術(shù)被引進后，這個工廠2012年生產(chǎn)的機器是去年的兩倍。 After the new technique was introduced，the factory produced_the year before.,經(jīng)典句型,答案：twice as many machines in 2012 as,2This produced a chain reaction，which made it possible for life to develop. 這就產(chǎn)生了一系列的反應，使得生命就有可能開始發(fā)展了。 解讀 句中的it是形式賓語，真正的賓語是不定式短語to develop。 仿寫 這兩個女孩長得很像，陌生人很難把她們區(qū)分開。 The two girls are so alike that strangers_one from the other.,答案：find it difficult to tell,3“Oh，dear，” I cried，“walking does need a bit of practice now that gravity has changed.” “天哪，”我大聲說，“重力改變了，看來走路也的確需要練一練了?！?解讀 now that“由于；既然”，引導原因狀語從句，有時that可以省略。 仿寫 你既然得到了一個機會，不妨充分利用它。 _，you might as well make full use of it.,答案：Now that you've got a chance,4The earth became so violent that it was not clear whether the shape would last or not. 地球變得如此激烈動蕩以至于不知道這個固體形狀是否會繼續(xù)存在下去。 解讀 whether.or not“是否”。 仿寫 你是否參加她的生日晚會都沒有太大關(guān)系。 It doesn't matter much_.,答案：whether you will take part in her birthday party or not,1harmful adj. 有害的 教材原句 What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas. 很多科學家相信，由于地球上長期有水存在，它使得地球得以把曾經(jīng)存在于大氣層中的有害氣體和酸性物質(zhì)溶解在海洋里。,板塊一：核心單詞,(1)be harmful to 對有害 (2)harm n&vt. 傷害；損害 do harm to sb./do sb.harm 對某人有害 (3)harmless adj. 無害的,Experts point out that fruit juices can be harmful to children's teeth. 專家指出果汁可能損害兒童的牙齒。 It's_to read in the sun. 在陽光下看書對你的眼睛有害。 Smoking_our health. 吸煙有害健康。,答案：harmful to your eyes does harm to,2lay v放置；擱；下(蛋)；產(chǎn)(卵) 教材原句 They produced young generally by laying eggs. 他們通常是通過產(chǎn)卵來產(chǎn)生下一代。,lay sth.aside 擱置；儲蓄 lay.off 停止使用，解雇某人 lay out 安排，布置，設(shè)計,You should lay aside your feelings when judging people's abilities. 判斷一個人的能力時，應該把自己的感情放在一邊。 That factory_1,000 workers. 那家工廠解雇了1 000多名工人。,答案：laid off,3exist vi. 存在；生存 教材原句 They laid eggs too and existed on the earth for more than 140 million years. 它們也生蛋，在地球上存在了一億四千多年。,(1)exist in 存在于中 exist on 靠生活/生存 There exists. 某地有 (2)existence n 存在；生活 come into existence 產(chǎn)生；成立；開始存在,I'm lucky because I know my first home still exists. 我很幸運，因為我知道我的第一個家仍然存在。 They can't exist_the money he's earning. 他們靠他掙的錢無法維持生活。 _exist many opportunities for regional development. 地區(qū)的發(fā)展存在許多機會。 As is known to us，China_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。,答案：on There came into existence,4puzzle vt. 使迷惑；使為難；使窘困；感到迷惑 n(游戲的)猜謎；難題；謎 教材原句 How life began on earth is one of the biggest puzzles that scientists found hard to solve. 地球生命如何起源是科學家們覺得很難解決的最大的難題之一。,(1)a puzzle一件讓人感到困惑的事情 be in a puzzle感到困惑；不知如何是好 (2)puzzle about/over冥思苦想，苦苦思索 (3)puzzling adj.令人迷惑的 puzzled adj.迷惑不解的，困惑的 be puzzled about對迷惑不解 (4)puzzlement n迷惘；困惑,Why Mona Lisa is smiling is still a puzzle. 蒙娜麗莎為什么微笑仍是個謎。 I'm_as to what to do next. 對于下一步該做什么我不知道。 Her _ look on her face suggested she didn't understand the _ question. 她臉上迷惑的表情表明她不明白那個令人疑惑的問題。 She frowned in_. 她迷惑地蹙著眉。,答案：in a puzzle puzzled；puzzling puzzlement,5pull n&vi. 拉(力)；拖；牽引力 教材原句 As 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. 隨著火箭升空，我們被重重地向后推在座位上，因為我們在盡力地逃離地球的引力。,pull down 拆毀，摧毀 pull in (車輛)進站，靠邊?？?pull out 駛出，拔出 pull through 康復，痊愈 pull away 開動，離開 pull back 拉回，撤回,見證2014It was impossible for Joe to climb back or for Simon to pull him up. Joe自己爬不回來，Simon也不可能有力氣把他拉上來。 (2014·新課標卷完形填空),We waved as the train pulled out of the station. 火車駛出車站時我們揮手告別。 They are_those houses to make room for a new hotel. 為了給新旅館騰地，他們正在拆除那些房屋。 The police car signalled to us to_. 警車發(fā)出信號，要我們駛向路邊停靠。 His injuries are extremely serious，but he's expected to_. 他的傷很嚴重，但有望恢復。,答案：pulling down pull in pull through,6in time 及時；終于 教材原句 They were in time to produce carbon，nitrogen，water vapour and other gases. 它們最終產(chǎn)生了碳、氮氣、水蒸氣和其他多種氣體。,板塊二：短語和句型,(1)in no time 立刻；馬上 at no time 絕不 at a time 每次；一次 at one time 曾經(jīng)；一度 at the same time 同時 from time to time 有時；偶爾 (2)take one's time 別著急；慢慢來 kill time 消磨時間,I should be back in time to watch the show. 我應該能及時趕回來觀看那場表演。 Luckily，I quickly adapted and everything was back_. 所幸我很快就適應了，很快一切都走上了正軌。 _half the land on the earth's surface was covered by forest. 曾經(jīng)，地球表面有一半的土地被森林所覆蓋。 The manager wants to see changes in the company，and I am sure he will _. 經(jīng)理想看到公司的變化，我確信他遲早會看到的。,答案：in no time At one time in time,7in one's turn 輪到某人；接著 教材原句 Thus they have，in their turn，become the most important animals on the planet. 于是，他們接著成為了這個行星上最重要的動物。,in turn依次；輪流；反之；反過來 by turns輪流；交替地 take turns to do sth.輪流做某事 It is one's turn to do sth.輪到某人做某事 It turns/turned out that.結(jié)果,When it is in my turn，I am too excited to speak. 當輪到我時，我激動得都說不出話來了。 We take turns_(do) housework. 我們輪流做家務(wù)。 Theory is based on practice and_serves practice. 理論的基礎(chǔ)是實踐，反過來理論又為實踐服務(wù)。,答案：to do in turn,8prevent.from.阻止做 教材原句 They are putting too much carbon dioxide into the atmosphere，which prevents heat from escaping from the earth into space. 它們把過多的二氧化碳排放到大氣層中，這使得地球上的熱不能釋放到太空中去。,表示“阻止某人做某事”的短語有： prevent sb.(from) doing sth. stop sb.(from) doing sth. keep sb.from doing sth. prevent/keep/stop sb.from doing sth.的主動式中，只有keep后面的from不能省略，而在被動式中三個短語的from都不能省略。,The heavy rain prevented us from going on with our work. 大雨阻止了我們繼續(xù)工作。 A possible war_ from breaking out with their effort. 一場可能的戰(zhàn)爭最終由于他們的努力而避免了。 China recently tightened its waters controls near the Huangyan Island to prevent Chinese fishing boats from_(attack) in the South China Sea. 中國最近加緊了對黃巖島附近水域的控制，以防止中國漁船在中國南海受到攻擊。,答案：was finally prevented being attacked,9block out擋住(光線) 教材原句 a great dust cloud formed in the sky blocking out the sunlight. 一大團塵埃云在空中形成，擋住了光線。,block sb./sth. in把某人/某物堵住 block sth.off(用路障)封鎖；堵住 block sth.up塞??；封住,Black clouds can never block out the sun. 烏云不能永遠遮住太陽。 Don't park your car here；you'll_. 別把車停在這兒。你會把我的車堵在里面的。 Police_the city centre streets. 警方封鎖了市中心的街道。 They will have to_the entrance to the tunnel. 他們將不得不封閉通往隧道的入口。,答案：block my car in blocked off block up,10cheer up(使)高興；(使)振奮；感到高興；感到振奮 教材原句 I cheered up immediately and floated weightlessly around in our spaceship cabin watching the earth become smaller and the moon larger. 我立刻高興起來，由于失重我在太空艙里飄來飄去，我望著(身后的)地球越來越小，而(前方的)月亮越來越大。,(1)cheer v歡呼；喝彩 cheer sb.on(比賽中)以喝彩聲鼓勵；為某人加油 cheer sb.up使某人振奮 (2)cheerful adj.快樂的；高興的 (3)Cheers！(用于祝酒)干杯！,I do hope she can cheer up and accept the challenge of life bravely! 我真心希望她能振作起來，勇敢地接受生活的挑戰(zhàn)！ _，my friends. 干杯，朋友們。 They do this in order to encourage crowds to cheer their sports team _. 他們這樣做是為了鼓勵人們?yōu)樗麄兊那蜿牸佑汀?I hate it when it rains. _！ It will be sunny tomorrow. 我不喜歡下雨天。 振作起來，明天就晴天了。,答案：Cheers on Cheer up,11now that.既然/因為 教材原句 .walking does need a bit of practice now that gravity has changed. 重力改變了，看來走路也的確需要練一練了。,now that“既然；由于”，引導原因狀語從句。在語義上相當于since，that在口語中可省略。 常用的引導原因狀語從句的連接詞還有：because，since，as，in that，seeing that，considering that等。,Now that the weather is fine，let's go for a ride. 既然天氣那么好，我們兜風去吧。 Why not change your mind? _ you have found that there is something wrong with your plan? 既然你發(fā)現(xiàn)了你的計劃有問題，為什么不改變主意呢？,答案：Now that,比較辨析,填一填 Why aren't you coming with us to the concert? _ I have got a bad headache. _ all the seats were full he stood up. He shook his head，_ he thought differently. _ your daughter hasn't come，let me take you home.,答案：Because As for Since/Now that,12break out 爆發(fā)；突發(fā) 教材原句 We watched，amazed as fire broke out on the outside of the spaceship as the earth's gravity increased. 我們驚奇地看著，隨著地球引力的增加，宇宙飛船的外層燃燒起火。,break away from 脫離 break down 毀掉，壞掉 break up 拆散，分裂 break off 停止，中斷 break into 破門而入,見證2014The two countries are going to meet to break down some barriers to trade between them. 兩國計劃會面來消除雙方在貿(mào)易方面的障礙。(2014·天津卷) It was almost midnight when a fire broke out in the neighborhood. 快半夜時，附近發(fā)生了火災。 He decided to_home after graduation. 畢業(yè)后，他決定離開家。 He_speaking to answer the telephone. 他中斷了談話去接電話。,答案：break away from broke off,13This produced a chain reaction，which made it possible for life to develop. 這就產(chǎn)生了一系列的反應，使得生命得以發(fā)展了。,During this week，make it a rule to jog every day. 在這一周當中要養(yǎng)成天天進行慢跑的習慣。 They made_clear to the public that they did an important and necessary job. 他們向公眾表明：他們所做的工作重要且必不可少。 The heavy rain made it impossible for us_(go)out. 大雨使得我們無法出去。 The teacher raised his voice so that he could make himself_(hear) 老師提高了嗓音以便于被別人聽到。,答案：it to go heard,14But when I tried to step forward，I found I was carried twice as far as on the earth and fell over. 而當我試著向前邁步的時候，我發(fā)覺我被送出去很遠，步子的跨度竟是在地球上的兩倍，因而我摔倒了。,They have three times as many cows as we have. 他們的牛是我們的三倍。 The world's population has grown to more than six times_it was in 1800. 目前世界人口與1800年相比已經(jīng)增長到當時的六倍多。 This table is twice bigger than that one. This table is 3 times_that one. This table is 3 times_of that one. 這張桌子是那張的3倍大。 It's said that the power plant is now twice_as what it was. 據(jù)說現(xiàn)在這個發(fā)電廠是過去的兩倍大。,答案：what as big as；the size as large,.用適當?shù)倪B詞填空 1_ you have done might do harm to other people. 2_ the manager will attend the meeting tomorrow is not known. 3_ caused the accident is still a complete mystery. 4_ breaks the law will be punished. 5_ he always came late made our teacher angry.,單元語法專練：主語從句,答案：1.What 2.Whether 3.What 4.Whoever 5.That,.根據(jù)漢語提示，用句末括號內(nèi)的英語單詞完成句子 1It made us happy_.(make) 她當選為班長，這使我們很高興。 2_that you missed the film.(pity) 你錯過了那部電影真是太遺憾了。 3_remains a mystery.(come) 她是否會來，這還是個謎。,答案：1.that she was made monitor 2It's really a pity 3Whether she will come(or not),4_is to choose a company to invest in.(do) (2015·湖北荊州、襄陽部分學校聯(lián)考) 你該做的是選擇一個公司投資。 5_about the city was its traditional culture and modern architecture.(impress) (2015·湖北襄陽四校期中聯(lián)考) 這個城市給我們印象最深的是它的傳統(tǒng)文化和現(xiàn)代建筑風格。,答案：4What you should do 5What impressed us most/best,