高考英語一輪復(fù)習(xí) Unit2 Working the land課件 新人教版必修4.ppt

走向高考 · 英語,路漫漫其修遠(yuǎn)兮 吾將上下而求索,人教版(課標(biāo)卷地區(qū)) · 高考總復(fù)習(xí),Unit 2 Working the land,必修四,第一部分 基礎(chǔ)知識(shí)聚焦,1provide v提供 2lack v. & n缺少 3waste v浪費(fèi) 4recommend v推薦 5decline v減少 6hit v產(chǎn)生不良影響 7worsen v惡化 8energy­saving adj.節(jié)省能源的,9annual adj.每年的 10severe adj.嚴(yán)重的 11shortage n短缺 12crisis n危機(jī) 13ecology n生態(tài)學(xué) 14be concerned about 關(guān)心 15due to 由于 16deal with 解決 17call on 號(hào)召,古話說：民以食為天。目前，不少地方土地干旱，糧食短缺問題依然是急需解決的問題。請(qǐng)以“Food Shortage”為題，寫一篇120個(gè)詞左右的英語短文。 要求：1.介紹現(xiàn)在的饑荒狀況；2.說明其原因；3.應(yīng)當(dāng)采取的措施。,Food Shortage 總述主題As we know, food shortage has hit many countries and even caused social unrest in some areas. 說明原因But what has caused the current world food crisis? Firstly, annual world grain output has declined because of climate change. Secondly, lots of farmland has given way to factories and buildings due to the rapid development of industry and urbanization. Besides, faced with the rising energy prices, some people use grain for biofuel, which has worsened the severe situation.,具體措施How can we deal with the problem? On the one hand，we should focus on the environmental protection and improve the ecology. On the other hand, strict measures should be taken to protect farmland. 展望未來If the whole world works together, more food will be produced and we can create a harmonious world.,.完成句子 1許多非洲人民正遭受缺糧之苦。 Many people in Africa are suffering from lack of food. 2政府倡導(dǎo)我們開展“光盤行動(dòng)”。 The government calls on us to carry out the “Cleaning Your Plates” campaign.,.句型轉(zhuǎn)換 1用分詞短語改寫句。 As we know, food shortage has hit many countries, even causing social unrest in some areas. 2根據(jù)句式仿寫。 一方面我們應(yīng)該對(duì)外開放，另一方面我們應(yīng)該發(fā)展農(nóng)業(yè)經(jīng)濟(jì)。 On the one hand, we should be open to the outside, and on the other hand we should develop agricultural economy.,.單詞速記 A識(shí)記單詞 1_ (vi. & n) 斗爭(zhēng)；拼搏；努力 2_ (n.) 十年；十年期 3_ (vt. & vi.) 使變大；伸展 4_ (n.) 自由；自主 5_ (adv.) 因此；所以；因而 6_ (vt.) 遺憾；惋惜 (n.) 遺憾；懊悔,struggle decade expand freedom therefore regret,7_ (n.) 焦點(diǎn)；中心點(diǎn) (vt.) 集中；聚集 8_ (vt.) 減少；減縮 9_ (n.) 評(píng)論；議論 (vi. & vt.) 表達(dá)意見；作出評(píng)論,focus reduce comment,B聯(lián)想串記 10_ (adj.)引起煩惱的；令人不安的_ (adj.)擾亂的；精神失常的_ (vt.)擾亂；打擾 11_ (vt. & vi.)配備；裝備_ (n.)設(shè)備(不可數(shù)) 12_ (vt. & vi.)輸出；出口_ (反義詞) (vt. & vi.)輸入；進(jìn)口 13_ (vt.)使迷惑；使為難_ (adj.)令人迷惑的_ (adj.)感到迷惑的_ (n.)迷惑的 14_ (n.)發(fā)現(xiàn)；發(fā)覺_ (vt.)發(fā)現(xiàn)；發(fā)覺；觀察，觀測(cè),disturbing,disturbed,disturb,equip,equipment,export,import,confuse,confusing,confused,confusion,discovery,discover,.短語互譯 1幸虧；由于，因?yàn)?_ 2擺脫；除去 _ 3對(duì)感到滿意 _ 4寧愿；寧可 _ 5逐漸增強(qiáng)；建立；開發(fā) _ 6導(dǎo)致；造成(后果) _ 7focus on _ 8keep. free from/of _,thanks to rid.of be satisfied with would rather build up lead to 集中(注意力、精力等)于 使免受(影響、傷害等)；使不含(有害物),.典句析練 1if so 狀語從句的省略形式 _(如果這樣的話), what did you do to grow them? 【仿寫】如果是這樣，我相信我已經(jīng)解決了你的問題。 _,2the序數(shù)詞名詞動(dòng)詞不定式 In 1973, he became _(世界上第一位種植水稻的農(nóng)業(yè)先鋒) that has a high output. 【仿寫】劉洋是第一位在太空逗留過的中國女性。 Liu Yang is _ in space.,3make itadj.動(dòng)詞不定式 This special strain of rice _(使生產(chǎn)成為可能) 20% more of the crop in the same fields. 【仿寫】大雨使得運(yùn)動(dòng)會(huì)不可能如期舉行。 The heavy rain _ on time.,4倍數(shù)as.as Using his hybrid rice, farmers are producing harvests _(是以前的兩倍多) 【仿寫】我弟弟比你妹妹高一倍。 _ 5would rather do. He _ much _ (寧愿做) keep time for his hobbies. 【仿寫】我寧愿走路而不愿意做公共汽車。 _,答案：1.If so；If so, I believe I have solved your problem. 2the first agricultural pioneer in the world to grow rice; the first Chinese female to have stayed 3makes it possible to produce; made it impossible for the sports meeting to be held 4twice as large as before；My brother is twice as tall as your sister. 5would；rather；I would rather walk than take a bus.,.課文縮寫語法填空 Born in 1930, Yuan Longping graduated_1_ Southwest Agricultural College in China in 1953, and then was assigned to teach crop genetics and breeding at an _2_(agriculture) school in Hunan Province. He began his research _3_bybrid rice development in 1964 and in 1971 he achieved _4_ major scientific breakthrough as he _5_(success) developed the genetic materials essential for breeding high­yielding hybrid rice varieties.,Professor Yuan is widely acknowledged for the _6_(disccver) of the genetic basis of heterosis in rice. In 1974, he developed Nan­you No. 2. With output 20 percent _7_(high) than previous varieties, Professor Yuan's new crop immediately began _8_(improve) food availability in China. Beyond this exceptional accomplishment, Professor Yuan has built an additional legacy of combating food shortages and _9_(hungry). Professor Yuan's remarkable _10_(achieve) in hybrid rice research have previously won him numerous honors. 答案：1.from 2.agricultural 3.in 4.a 5.successfully 6discovery 7.higher 8.to improve 9.hunger 10.achievements,1struggle vi. & n斗爭(zhēng)；拼搏；努力,We still have to _ _ all kinds of difficulties. 我們?nèi)缘煤透鞣N各樣的困難作斗爭(zhēng)。 In 1862 the American slaves won their _ _ freedom. 1862年美國奴隸贏得了爭(zhēng)取自由的斗爭(zhēng)。 They _ _ _ get out of the burning car. 他們正掙扎著從燃燒著的汽車?yán)锿馀馈?He _ _ _ _ and dragged slowly ahead. 他掙扎著站起來并緩慢地前行。 答案：struggle against/with struggle for were struggling to struggled to his feet,2expand vt. & vi.使變大；伸展 教材原句Dr Yuan searched for a way to increase rice harvests without expanding the area of the fields.(P10) 袁博士(開始)在不增加農(nóng)田面積的基礎(chǔ)上尋求水稻增產(chǎn)的途徑。,., but the idea has since _ to many other American cities, and even to Hong Kong. ，但是這個(gè)觀念已經(jīng)傳播到美國許多城市，甚至傳到了香港。 Why not try to _ your story _ a novel? 為什么不把你的故事擴(kuò)展成一部小說呢？ I don't quite follow your idea. Can you _ _ it? 我不大理解你的想法，你能詳細(xì)地加以說明嗎？ 答案：expanded expand；into expand on,3therefore adv.因此；所以；因而 教材原句He therefore gives millions of yuan to equip others for their research in agriculture.(P10) 于是他拿出幾百萬元幫助其他人進(jìn)行農(nóng)業(yè)科學(xué)研究。,用therefore，so，thus填空 She was caught cheating in the exam and _ she was punished by her teacher. She coughed badly, _ she went to see a doctor. The train stopped suddenly, _ causing the delay. 答案：therefore so thus,4equip vt. & vi.裝備；配備 教材原句He therefore gives millions of yuan to equip others for their research in agriculture.(P10) 因此，他資助幾百萬元供其他人進(jìn)行農(nóng)業(yè)研究。,We equip our children _ a good education. 我們使孩子們受到良好的教育。 Your training will equip you _ your future job. 你的訓(xùn)練將使得你能夠勝任將來的工作。 His work experience _ _ _ _ _ all kinds of people. 他的工作經(jīng)驗(yàn)使他能與各種各樣的人打交道。 _ _ new scientific farming methods, they have been able to use less farmland than in the past. 因?yàn)檎莆樟丝茖W(xué)的農(nóng)耕新方法，他們已經(jīng)可以使用比過去更少的農(nóng)田進(jìn)行耕種。,方法規(guī)律equipment為equip的名詞形式，意為“設(shè)備”“器材”，是不可數(shù)名詞，表示“一件”這一數(shù)量時(shí)，其前加a piece of；類似用法的有：furniture，luggage，baggage，jewellery等。 答案：with for equipped him to deal with Equipped with,5regret v. & n可惜，后悔，遺憾；惋惜；抱歉,It's no use _ what you have done. 后悔你做過的事情沒有用。 We _ _ _ you that you owe the bank 100. 我們很遺憾地告訴你，你欠銀行100英鎊。 I _ _ the good film. 我后悔沒能看那部好電影。 _ _ _ _， I must leave now. 非常抱歉，我現(xiàn)在必須走了。,巧學(xué)助記 I regretted to tell him that he had been dismissed. To my surprise, he said to me, “I have no regrets. I only regret having taken the wrong job.” 我遺憾地告訴他他被解雇了。使我驚奇的是，他對(duì)我說：“我沒有什么遺憾。我唯一后悔的是選錯(cuò)了工作?！?答案：regretting regret to inform regretted missing Much to my regret/To my great regret,6reduce v減少；縮減 教材原句A healthy soil reduces disease and helps crops grow strong and healthy.(P14) 肥沃的土壤減少了病蟲害并且有助于農(nóng)作物的茁壯成長。,The water level has reduced _ 1 metre _ normal level. 水位已下降了1米至正常水位。 She was reduced to _ for a living. 她被迫淪落至乞討為生。 答案：by；to begging,7comment n評(píng)論，議論 vt. & vi.表達(dá)意見；作出評(píng)論 Every one at present _ _ the bad match, but the coach refused to _ _ _ _ it. 在場(chǎng)的每個(gè)人都對(duì)這場(chǎng)糟糕的比賽作出了評(píng)論，但教練卻拒絕評(píng)論。 答案：commented on；make a comment about,1rid.of擺脫；除去 教材原句Thanks to his research, the UN has more tools in the battle to rid the world of hunger.(P10) 多虧他的研究，聯(lián)合國在消除世界饑餓的戰(zhàn)斗中又多了些方法。,The dentist _ _ _ the pain by taking out his bad tooth. 牙科醫(yī)生把他的壞牙拔掉，使他免除痛苦。 The owner needs to _ _ _ the car for financial reasons. 因?yàn)榻?jīng)濟(jì)原因，車主需要把汽車處理掉。 He _ _ _ the mental burden. 他擺脫不了精神負(fù)擔(dān)。 答案：to rid the world of rid him of get rid of wasn't rid of,2would rather寧愿；寧可 教材原句He would much rather keep time for his hobbies.(P10) 他寧愿把時(shí)間花在自己的愛好上。,_ _ refuse to help you, I _ _ money from my friends. 我寧可向朋友借錢，也不愿拒絕幫助你。 He would rather die than give in to the enemy.(句型轉(zhuǎn)換) He would die _ _ give in to the enemy. 他寧死也不向敵人屈服。 I would rather you _ _ (finish) your homework yesterday. 我寧愿你昨天就把作業(yè)做完了。 答案：Rather than；would borrow rather than had finished,3lead to導(dǎo)致；造成(后果)；通向(to是介詞) 教材原句Many of these chemicals can lead to cancer or other illnesses.(P14) 這些化學(xué)物質(zhì)有些會(huì)引起癌癥或其他疾病。,As we all know, all roads Rome. 眾所周知，條條大道通羅馬。 The discovery of new evidence led to . 新證據(jù)的發(fā)現(xiàn)導(dǎo)致小偷被抓住。 What was it that led you to leave America for Hong Kong? 是什么讓你離開美國前往香港的？ After the accident he began to lead a vegetative life. 從那次事故后，他開始過植物人的生活。 答案：lead to the thief being caught,4focus on集中(注意力、精力等)于 教材原句They focus on keeping their soil rich and free of disease.(P14) 他們主要是想保持土壤肥沃且免受病害。,I must try to _ _ _ _ work. 我必須努力把心思集中在工作上。 I'm so tired today that I can't _ _ anything. 今天我太累了，精神集中不起來。 Mary is _ _ _ everyone's attention. 瑪麗是大家注意的焦點(diǎn)。 This photograph is out of focus. 這張照片模糊。 The purpose of the lens is to focus light onto the film. 用鏡頭的目的是要把光聚在膠片上。,巧學(xué)助記 答案：focus my mind on focus on the focus of,5keep.free from/of使免受(影響、傷害等) 教材原句This also keeps the air, soil, water and crops free from chemicals.(P14) 這也能讓空氣、土壤、水和莊稼沒有了化學(xué)物質(zhì)。,They kept the food _ _ artificial colors. 他們使食物不含人工色素。 Our room is _ _ flies. 我們的房間沒有蒼蠅。 答案：free from free from/of,If so, what did you do to grow them？(P9) 如果這樣的話，你做了些什么來種植它們(這些植物)? 句式分析if so“如果這樣的話”，是if引導(dǎo)的條件狀語從句的省略形式，表示肯定意義；如果表示否定意義，則用if not。 _ _， find out what would need to change. 如果是這樣，請(qǐng)找出需要改變的事項(xiàng)。 I may come tonight. _ _(If I don't come tonight), I will try to manage tomorrow. 今晚我可能來。如果不來的話，我會(huì)明天來。,方法規(guī)律if ever如果有過/發(fā)生過的話 if any如果有的話 if possible如果可能的話 if necessary如果有必要 答案：If so If not,ving形式作主語或賓語 1People spend many years learning about favorite sports and _(practice) how to do them well. 答案：practicing 考查非謂語動(dòng)詞。spend.(in) doing sth.表示“花費(fèi)做某事”，根據(jù)and可知，空處應(yīng)與learning并列，作省略了的介詞in的賓語。,2_(bring) up in the countryside made Mr. Wilson very hardworking when he was very young. 答案：Being brought 考查非謂語動(dòng)詞。句意：Mr.Wilson在鄉(xiāng)下被撫養(yǎng)長大，這使他在很小的時(shí)候就很勤勞。分析句意及句子結(jié)構(gòu)可知，bring up 與Mr.Wilson為邏輯上的動(dòng)賓關(guān)系，又因?yàn)榫渥尤敝髡Z，故用Being brought up。,3_(examine) twice a year，whether it is a car，a bus or a truck，is a rule that every driver must obey in this city. 答案：Being examined 考查非謂語動(dòng)詞。句意：無論是汽車，公交車還是卡車，每年檢查兩次是這個(gè)城市的每個(gè)司機(jī)都要遵守的規(guī)則。根據(jù)句意可知此處應(yīng)用examine的現(xiàn)在分詞的被動(dòng)式Being examined作句子的主語。,4To this day, I have a hard time _(let) others be fond of me. 答案：letting 在句中have a hard time(in) doing sth.為固定結(jié)構(gòu)，表示“做某事有困難”。 5She can't help _(clean) the house because she's busy making a cake in the kitchen. 答案：to clean 考查固定用法。句意：她不能幫忙打掃房間，因?yàn)樗趶N房忙著做蛋糕。help(to)do sth.“幫忙做某事”，是固定短語，符合句意。注意：此處不是can't help doing sth.“禁不住做某事”這個(gè)固定詞組。,1(2014·安徽改編)It's our hope that we will play a greater role in the market place and_， supply more jobs. 答案：therefore 考查副詞。句意：我們希望我們會(huì)在工作市場(chǎng)上起更大的作用，因此提供更多的工作。,2(2014·福建改編)The climate here is quite pleasant, the temperature rarely, if _， reaching 30 in summer. 答案：ever 本題考查省略句。句意：這里的氣候宜人，_，在夏季氣溫極少達(dá)到30攝氏度。if ever如果曾經(jīng)有；如果曾經(jīng)發(fā)生。根據(jù)句中的關(guān)鍵詞quite pleasant(宜人)，rarely(極少)可知，空格處表達(dá)的意思是“如果曾經(jīng)有(if ever)”。if ever相當(dāng)于if it(the temperature) ever reached 30 in summer。,3(2014·陜西改編)We would rather our daughter _(stay) at home with us, but it is her choice, and she is not a child any longer. 答案：stayed 本題考查虛擬語氣。句意：我們寧愿我們的女兒和我們一起待在家里，但是那是她的選擇，她已經(jīng)不再是一個(gè)小孩子了。would rather后接that從句時(shí)，要用虛擬語氣，如果與現(xiàn)在或?qū)硎聦?shí)相反，從句用一般過去時(shí)態(tài)；如果與過去事實(shí)相反，從句用過去完成時(shí)。根據(jù)后面的it is her choice可以判斷這件事情還沒發(fā)生，因而從句用一般過去時(shí)。,4(2013·浙江改編)Bears build_ fat stores throughout the summer and fall to have energy enough to last them through their winter sleep. 答案：up 句意：狗熊在夏天和秋天開始脂肪的儲(chǔ)存以使他們有足夠的能量來度過冬眠。 5(2011·江蘇改編)It sounds like something is wrong with the car's engine.If _， we'd better take it to the garage immediately. 答案：so 本題考查省略。句意：聽起來好像是車的發(fā)動(dòng)機(jī)出毛病了。如果這樣的話，我們最好立刻把它帶到修車廠去。if so“如果這樣的話”。,6(2010·重慶改編) The news shocked the public，_(lead) to great concern about students' safety at school. 答案：leading 本題考查非謂語動(dòng)詞。根據(jù)本句的結(jié)構(gòu)來看，引起的關(guān)注正是這條消息令公眾震驚的同時(shí)所引起的結(jié)果，即結(jié)果狀語，而作結(jié)果狀語，且表達(dá)主動(dòng)意義。句意：這條消息令社會(huì)震驚，引起了人們對(duì)在校學(xué)生安全的極大關(guān)注。,