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1、課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究Unit 22 Environmental Protection Period Four Lesson 3 Natural Disasters 課件（北師大版選修8，廣東專用）課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究.單詞識(shí)記1_nthe amount of rain that falls in a certain place2_adj.huge；very pleasant3_adj.changing often4_nthe act of supplying water to land5_vto give weapons to sb6_a

2、dj.not far from the coast課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究7_adj.not smooth；unpleasant8_nthe act of separating9_nmethods by which a thing may be done10_vto build；to put together11_vto slide or lose ones balance of footing12_vto run away13_nthe possibility課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究答案1.rainfall2.grand3.changeable

3、4.irrigation5.arm6.offshore7.rough8.separation9.means10.construct11.slip12.flee13.potential課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究.短語天地1_大規(guī)模的2_進(jìn)行武裝沖突3_導(dǎo)致4_消除，摧毀5_從恢復(fù)6get over_7turn on_8earn ones living_課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究9warn sb in advance_10get a lot worse_11in advance_12to some degree_答案1.on a grand scale2

4、.in armed conflict3.result in4wipe out5.recover from6.克服，恢復(fù)7.攻擊8謀生9.提前預(yù)警10.變得糟糕11.提前12.在某種程度上課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究.句型搜索1If all the beasts were gone，men would die from a great loneliness of spirit，for whatever happens to the beasts also happens to the man.信息提取whatever在此引導(dǎo)主語從句。例句仿寫小孩要什么給什么是不對的。It i

5、s wrong to give _.課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究2As a matter of fact，average urban noise pollution levels have decreased by 3 decibels since 1989.信息提取since表示“自從以來”。例句仿寫從那時(shí)起到現(xiàn)在他就一直住在這里。Since then he _.答案1.a child whatever he wants2has lived here課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究.預(yù)讀理解1FastreadingScan the text and cho

6、ose the best answer according to it.(1)Which of the following examples doesnt belong to natural disasters?AIn 2008，a terrible earthquake hit Wenchuan.BIn the spring of 2009，a large area of farmland in China suffered drought.CA lot of people in some African countries are infected with AIDS.DPompeii w

7、as buried underground for nearly 2,000 years after a volcanic eruption.課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究(2)The attitude of the journalist towards the future is _.Aoptimistic BpessimisticCindifference Dambiguous(3)According to the passage who should be to blame for the increasing numbers of natural disasters?

8、ANature itself.BHuman beings.COver advertising.DThe development of modern science.課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究(4)Which of the following statements is RIGHT according to the passage?AThere can be an even worse volcanic eruption in the future.B Natural disasters may occur at regular times，which human bein

9、gs can predict.C With the development of modern science and technologies，fewer and fewer people suffer from natural disasters.DGlobal warming has no connection with natural disasters.課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究(5)Which of the following is similar to“turn on”in meaning?ASwitch on.BDepend on.CTake on.DSt

10、rike.答案(1)C(2)B(3)B(4)A(5)D課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究2CarefulreadingRead the text and fill in the blanks.In the last decade，worldwide environmental(1)have been on the rise，which have greatly affected human lives.Volcanic eruptions and earthquakes have always(2)certain parts of the world.For example，a

11、huge number of people suffered from the(3)of the volcanic eruption on the small island in 1997 and the Asian(4)caused by an offshore earthquake on December 26th,2004.課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究The reason why nature is beginning to turn on us.A.The(5)growing population of the world.B.The huge amounts of

12、 carbon dioxide(6)by factories and vehicles.C.The(7)of the worlds forests.Volcanoes and earthquakes are even more(8)than in the past.It is(9)by most disaster experts that there is the potential that things could get(10)worse.課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究答案(1)disasters(2)threatened(3)catastrophe(4)tsunami

13、(5)rapidly(6)produced(7)destruction(8)dangerous(9)believed(10)a lot課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究 1.flee vt.&vi.逃走(fled，fled)They were forced to flee the city when the war broke out.當(dāng)戰(zhàn)爭爆發(fā)時(shí)，他們被迫逃離了這座城市。flee from.從逃走flee to/into.逃往課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究He tried to flee from the police in a flee from stole

14、n car.他企圖駕駛一輛偷來的車避開警方。Jack fled to London after an argument with his family.杰克與家人爭吵以后離家去了倫敦。課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究【單項(xiàng)填空】The thief was caught by the police in the railway station before he was able to_.Apurchase BfleeCflock Davoid解析句意：這個(gè)賊還沒來得及逃跑就被警方在火車站抓住了。purchase“購買”；flock“聚集”；avoid“避免”；flee“逃跑，逃

15、離”。答案B課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究2separate adj.單獨(dú)的；各自的；分開的vt.分開；隔離separation nU分開，分離 The children sleep in separate beds.孩子們睡在各自的床上。We are good friends and cant be separated.我們是好朋友，因此是拆不散的。separate A from B 把A和B分開A is separated from B by.A和B為所分開/阻隔be separate from.與是分開的課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究The patie

16、nt should be separated from the others.這個(gè)病人應(yīng)該隔離。The friends separated at the crossroads.朋友們在十字路口分手了。We are separate from each other.我們彼此是分開的The Great Britain is separated from France by the English Channel.大不列顛和法國被英吉利海峽分隔開來。課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究【單項(xiàng)填空】We had better _the good apples from the bad on

17、es.Aseparate BdivideCcelebrate Dtolerate 解析句意：我們最好把好蘋果和壞蘋果分開?？疾楣潭ù钆洌簊eparate.from.把和分開。答案A課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究3grand adj.巨大的；豪華的，宏偉的；主要的，重大的Does he think hes grand,when hes bullied a sensitive creature,ten times as sensitive as himself?難道他認(rèn)為虐待一個(gè)小生物，一個(gè)比他敏感十倍的小生物，就了不起嗎？My small contribution was lo

18、st in the grand total.我的小小捐獻(xiàn)在巨大的總額中少得幾乎看不見。Hes a thoroughly grand man and a very dear friend of mine.他是一個(gè)十分崇高的人，也是我非常好的朋友。She finally learned to drive at the grand age of 70.她終于在70歲高齡時(shí)學(xué)會(huì)了開車。課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究【完成句子】這座大樓比我想象得更宏偉。_what I imagine.【單項(xiàng)填空】These_schemes are all very well designed，but

19、we mustnt lose sight of the fact that somebody has to pay for them.AgrandBwideCtall Dyoung答案The building is more grand thanA課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究They bought the house to arm against big price rises.他們買下了房子，以防大漲價(jià)。The new battleship shall be armed with 16inch guns.新戰(zhàn)艦將用16英寸口

20、徑的大炮武裝起來。The crowd armed themselves with sticks and stones.群眾拿起棍子和石塊當(dāng)作武器。Some people are against it.But I am for the idea.有些人反對這么做，但是我贊成。課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究(2)n.手臂；胳膊；(pl)武器She took him by the arm and pushed him out of the door.她抓住他的胳膊將他推出門去。All available forces are under arms.所有兵種都嚴(yán)陣以待。課前自主學(xué)習(xí)課

21、前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究【完成句子】全國人民必須武裝起來抵抗敵人。The people of the whole country_.【單項(xiàng)填空】Shes balancing herself on the ground with a single_.Ahead BnoseCarm Dwilling答案must arm themselves against the enemyC課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究5rough adj.，n.&adv.艱難的，粗糙的，不適的；草圖，略圖；粗魯?shù)兀致缘谻ould you give me a rough idea when you

22、ll be back?你能告訴我你大概什么時(shí)候回來嗎？His manners are rough，but he is a kind man at heart.他雖然舉止粗魯，但心地善良。have a rough tongue說話粗魯roughly adv.粗略地，粗糙地，粗魯?shù)豶oughness n粗糙，凹凸面課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究【完成句子】他們在小島上過著簡單的生活。_on a small island.【單項(xiàng)填空】The weather continued_，and the roads were often steep.Aofficial BroughCreli

23、able Dstraight答案They lived a rough lifeB課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究6construct vt.&n構(gòu)建，建造，構(gòu)筑；構(gòu)想，概念You must learn how to construct a logical argument.你必須學(xué)會(huì)怎樣確立合乎邏輯的論點(diǎn)。How many days will be needed to construct this irrigation canal？修這條灌溉渠需要多少天？construct the plot of a novel構(gòu)思小說的情節(jié)construct from design 根據(jù)設(shè)計(jì)

24、建造construction n.構(gòu)造，建筑物constructive adj.建設(shè)性的；構(gòu)造上的onstructively adv.建設(shè)性地，積極地課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究【完成句子】他們用了兩年時(shí)間建這座橋。It took them two years_.【單項(xiàng)填空】This fact provides us with the clue we need to_a theory of the atom.Aconstruct BfitCcompare Dmatch答案to construct the bridgeA課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究7rol

25、l vi.&n滾動(dòng)，(平穩(wěn)地)移動(dòng)；名單We get our friends to roll our sleeves up and get to work.我們召集我們的朋友共同卷起袖子來工作。A moment later you will hear the roll of thunder.過一會(huì)你就會(huì)聽到陣陣?yán)茁?。課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究roll in滾滾而來，大量涌來roll into 滾進(jìn)，卷成roll out 鋪開，輾平roll up 卷起，到達(dá)roll over 翻滾roll back 退回重來rolling adj.旋轉(zhuǎn)的，搖晃的；波動(dòng)的roller n.滾

26、筒，滾軸，滾轉(zhuǎn)機(jī)課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究【完成句子】她卷起袖子開始準(zhǔn)備晚餐。_and began to prepare supper.她將一頁白紙放入打字機(jī)內(nèi)并開始打字。_and started to type.答案She rolled up her sleevesShe rolled a sheet of paper into her typewriter課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究1result in 導(dǎo)致Smoking results in lung cancer.吸煙導(dǎo)致肺癌。result from因而造成as a result of 作為的

27、結(jié)果，因?yàn)閍s a result 結(jié)果without result 毫無結(jié)果課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究【單項(xiàng)填空】It is reported that the death number_AIDS is on the increase in recent years.Aresulted in Bresulted fromCresulting in Dresulting from解析句意：據(jù)報(bào)道近年來艾滋病導(dǎo)致的死亡人數(shù)不斷增加。result in“導(dǎo)致”；result from“由導(dǎo)致”；主語the death number與動(dòng)詞短語result from是主動(dòng)關(guān)系，故選

28、D項(xiàng)。答案D課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究2get over克服；恢復(fù)；完成；原諒get over是短語動(dòng)詞，其中over是副詞，后面接名詞或單獨(dú)使用，over還可以作介詞，后面接名詞或代詞。He is disappointed at not getting the job，but hell get over it.他因沒有得到那份工作而失望，不過他能想得開。We will find ways to get over the difficulties.我們會(huì)找到克服困難的辦法。課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究get between妨礙，挑撥get throug

29、h 完成；通過；到達(dá)get across 通過；被人了解get beyond 越過；為所達(dá)不到get away 逃走get off 下來，離開；下車get out 離開；出去；逃避;泄露；取出課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究【單項(xiàng)填空】We make him eat so much that he wont_it for a overnight.Aget through Bget overCget away Dget beyondIf anything happened that hurt his marriage he knew he would never_it.Aget

30、between Bget outCget away Dget over答案BD課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究1(課文重現(xiàn))If all the beasts were gone，men would die from a great loneliness of spirit，for whatever happens to the beasts also happens to the man.如果所有的動(dòng)物都滅絕了，人類就會(huì)死于精神上的寂寞，因?yàn)榘l(fā)生在動(dòng)物身上的事同樣也會(huì)發(fā)生在人類身上。課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究【句式分析】本句為由兩個(gè)復(fù)合句組成的并列句，由

31、for連接。第一個(gè)分句包含if引導(dǎo)的虛擬條件句，在第二個(gè)分句中whatever引導(dǎo)主語從句。If I were a bird，I would fly to the sky.如果我是一只小鳥，我就會(huì)飛向天空。If he had taken my advice，he wouldnt have lost his job.如果他當(dāng)初聽我的建議，他就不會(huì)失去工作了。If I should have a lot of money，I would buy a big house.如果我將來有很多錢，我會(huì)買座大房子。Whatever he says is right.無論他說什么都是正確的。課前自主學(xué)習(xí)課前自

32、主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究【單項(xiàng)填空】The weather has been very hot and dry.Yes.If it had rained even a drop，things would be much better now！And my vegetables_.Awouldnt die Bdidnt dieChadnt died Dwouldnt have died解析句意：“天氣又干又熱?！薄笆前?。哪怕下一滴雨，事情比現(xiàn)在都要好得多！我的蔬菜也就不會(huì)死了?！庇删湟饧邦}干中的If it had rained even a drop可知事實(shí)上第二個(gè)人的菜已經(jīng)死了，題中是對

33、過去的虛擬，所以主句用wouldhave過去分詞，因此選D。答案D課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究_some people regard as a drawback is seen as a plus by many others.AWhether BWhatCThat DHow解析句意：“一些人認(rèn)為是缺點(diǎn)的東西，會(huì)被其他許多人看做長處?！蓖ㄟ^分析從句中的結(jié)構(gòu)，可判斷出填空處需要連接代詞作賓語，可先排除A、D兩項(xiàng)，又因?yàn)閠hat在名詞性從句中不作任何成分，只起連接作用，所以又可排除C項(xiàng)。故用what，表示“什么東西”。答案B課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究【感悟

34、高考】Sorry,I am too busy now.If I_ time,I would certainly go for an outing with you.(2012湖南)Ahave had Bhad hadChave Dhad解析考查虛擬語氣，從句中用一般過去時(shí)表示對現(xiàn)在的假設(shè)。答案D課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究If my car _ more reliable,I would have driven to Lhasa instead of flying last summer.(2012陜西)Awas Bhad beenCshould be Dwould be解

35、析考查虛擬語氣。根據(jù)主語的謂語動(dòng)詞可知題干是表示與過去事實(shí)相反的虛擬語氣，從句謂語動(dòng)詞用had done，選B。答案B 課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究2(課文重現(xiàn))As a matter of fact，average urban noise pollution levels have decreased by 3 decibels since 1989.事實(shí)上，自從1989年以來，人均城市噪音污染已經(jīng)降低了3分貝?！揪涫椒治觥烤渲衧ince表示“自從以來”，引導(dǎo)狀語從句時(shí)后接終止性動(dòng)詞，主句常用現(xiàn)在完成時(shí)態(tài)。He has studied very hard since he

36、 came to our school.從來我們學(xué)校后，他學(xué)習(xí)非常努力。課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究【拓展】since可以表示原因，語氣比because弱，意為“既然”，引導(dǎo)原因狀語從句。since引導(dǎo)的從句既可放在主句之前，也可放在主句之后。Since you cant answer the question，perhaps wed better ask someone else.既然你不能回答這個(gè)問題，我們只好問其他人了。課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究【單項(xiàng)填空】James knew that he valued his bicycle far mor

37、e_ he had bought it with his own money.Asince BifCthan Dthough答案A課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究【感悟高考】His first novel _ good reviews since it came out last month.(2011陜西)Areceived Bis receivingCwill receive Dhas received解析句意：他的第一本小說自從上個(gè)月出版以來受到了良好的評價(jià)。根據(jù)since it came out last month可知本句應(yīng)用現(xiàn)在完成時(shí)，故選D。答案D課前自主學(xué)習(xí)課前

38、自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究3The last few years have seen environmental disasters on a grand scale,and experts are predicting far worse to come.近幾年來，自然災(zāi)害大規(guī)模地發(fā)生，專家們預(yù)測情況會(huì)越來越糟。句中 the last few years 作主語，see 是謂語，是一種擬人化的句式，用來增加句子的表現(xiàn)力。在英語中，表示時(shí)間和地點(diǎn)的一些名詞有時(shí)候可以作主語，此時(shí)謂語動(dòng)詞多為“see,witness,find”等。課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究The fo

39、llowing year saw the death of her father.第二年她爸爸去世了。The city has witnessed many changes in the last five years.這座城市見證了最近五年的許多變化。The next few years saw a series of bad harvests.接下來的幾年里糧食連年欠收。課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究【單項(xiàng)填空】The earthquake in Yushu，Qinghai_the fact that all peoples should team up.Asees Bh

40、as seenCsaw Dhad seen解析句意：青海玉樹的地震見證了各民族應(yīng)該團(tuán)結(jié)一致的事實(shí)。結(jié)合時(shí)態(tài)考查see表達(dá)“見證某事”的含義，玉樹地震是發(fā)生在過去的一件事情，故用一般過去時(shí)態(tài)。答案C課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究【感悟高考】The fact that she never apologized _ a lot about what kind of person she is.(2008山東)Asays BtalksCappears Ddeclares解析say a lot about意思是“足以說明”。根據(jù)句意“她從來不道歉這個(gè)事實(shí)，足以說明她是什么樣的一個(gè)人”，應(yīng)選A。答案A課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究路漫漫其修道遠(yuǎn)，吾將上下而求索。屈原讀不在三更五鼓，功只怕一曝十寒。郭沫若學(xué)習(xí)必須與實(shí)干相結(jié)合。泰戈?duì)枌W(xué)而時(shí)習(xí)之，不亦說乎？孔子鳥欲高飛先振翅，人求上進(jìn)先讀書。李苦禪求學(xué)的三個(gè)條件是：多觀察、多吃苦、多研究。加菲勞學(xué)習(xí)從來無捷徑，循序漸進(jìn)登高峰。高永祚活著就要學(xué)習(xí)，學(xué)習(xí)不是為了活著。培根立志宜思真品格，讀書須盡苦功夫。阮元讀書是易事，思索是難事，但兩者缺一，便全無用處。富蘭克林 課前自主學(xué)習(xí)課前自主學(xué)習(xí)課堂互動(dòng)探究課堂互動(dòng)探究精品課件精品課件！