（广东专用）高中英语 Unit 22 Period Four Lesson 3 Natural Disasters课件 北师大版选修

课前自主学习课前自主学习课堂互动探究课堂互动探究Unit 22 Environmental Protection Period Four Lesson 3 Natural Disasters 课件（北师大版选修8，广东专用）课前自主学习课前自主学习课堂互动探究课堂互动探究.单词识记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_adj.not far from the coast课前自主学习课前自主学习课堂互动探究课堂互动探究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课前自主学习课前自主学习课堂互动探究课堂互动探究答案1.rainfall2.grand3.changeable4.irrigation5.arm6.offshore7.rough8.separation9.means10.construct11.slip12.flee13.potential课前自主学习课前自主学习课堂互动探究课堂互动探究.短语天地1_大规模的2_进行武装冲突3_导致4_消除，摧毁5_从恢复6get over_7turn on_8earn ones living_课前自主学习课前自主学习课堂互动探究课堂互动探究9warn sb in advance_10get a lot worse_11in advance_12to some degree_答案1.on a grand scale2.in armed conflict3.result in4wipe out5.recover from6.克服，恢复7.攻击8谋生9.提前预警10.变得糟糕11.提前12.在某种程度上课前自主学习课前自主学习课堂互动探究课堂互动探究.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在此引导主语从句。例句仿写小孩要什么给什么是不对的。It is wrong to give _.课前自主学习课前自主学习课堂互动探究课堂互动探究2As a matter of fact，average urban noise pollution levels have decreased by 3 decibels since 1989.信息提取since表示“自从以来”。例句仿写从那时起到现在他就一直住在这里。Since then he _.答案1.a child whatever he wants2has lived here课前自主学习课前自主学习课堂互动探究课堂互动探究.预读理解1FastreadingScan the text and choose 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 was buried underground for nearly 2,000 years after a volcanic eruption.课前自主学习课前自主学习课堂互动探究课堂互动探究(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?ANature itself.BHuman beings.COver advertising.DThe development of modern science.课前自主学习课前自主学习课堂互动探究课堂互动探究(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 beings 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.课前自主学习课前自主学习课堂互动探究课堂互动探究(5)Which of the following is similar to“turn on”in meaning?ASwitch on.BDepend on.CTake on.DStrike.答案(1)C(2)B(3)B(4)A(5)D课前自主学习课前自主学习课堂互动探究课堂互动探究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 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.课前自主学习课前自主学习课堂互动探究课堂互动探究The reason why nature is beginning to turn on us.A.The(5)growing population of the world.B.The huge amounts of 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.课前自主学习课前自主学习课堂互动探究课堂互动探究答案(1)disasters(2)threatened(3)catastrophe(4)tsunami(5)rapidly(6)produced(7)destruction(8)dangerous(9)believed(10)a lot课前自主学习课前自主学习课堂互动探究课堂互动探究 1.flee vt.&vi.逃走(fled，fled)They were forced to flee the city when the war broke out.当战争爆发时，他们被迫逃离了这座城市。flee from.从逃走flee to/into.逃往课前自主学习课前自主学习课堂互动探究课堂互动探究He tried to flee from the police in a flee from stolen car.他企图驾驶一辆偷来的车避开警方。Jack fled to London after an argument with his family.杰克与家人争吵以后离家去了伦敦。课前自主学习课前自主学习课堂互动探究课堂互动探究【单项填空】The thief was caught by the police in the railway station before he was able to_.Apurchase BfleeCflock Davoid解析句意：这个贼还没来得及逃跑就被警方在火车站抓住了。purchase“购买”；flock“聚集”；avoid“避免”；flee“逃跑，逃离”。答案B课前自主学习课前自主学习课堂互动探究课堂互动探究2separate adj.单独的；各自的；分开的vt.分开；隔离separation nU分开，分离 The children sleep in separate beds.孩子们睡在各自的床上。We are good friends and cant be separated.我们是好朋友，因此是拆不散的。separate A from B 把A和B分开A is separated from B by.A和B为所分开/阻隔be separate from.与是分开的课前自主学习课前自主学习课堂互动探究课堂互动探究The patient should be separated from the others.这个病人应该隔离。The friends separated at the crossroads.朋友们在十字路口分手了。We are separate from each other.我们彼此是分开的The Great Britain is separated from France by the English Channel.大不列颠和法国被英吉利海峡分隔开来。课前自主学习课前自主学习课堂互动探究课堂互动探究【单项填空】We had better _the good apples from the bad ones.Aseparate BdivideCcelebrate Dtolerate 解析句意：我们最好把好苹果和坏苹果分开。考查固定搭配：separate.from.把和分开。答案A课前自主学习课前自主学习课堂互动探究课堂互动探究3grand adj.巨大的；豪华的，宏伟的；主要的，重大的Does he think hes grand,when hes bullied a sensitive creature,ten times as sensitive as himself?难道他认为虐待一个小生物，一个比他敏感十倍的小生物，就了不起吗？My small contribution was lost in the grand total.我的小小捐献在巨大的总额中少得几乎看不见。Hes a thoroughly grand man and a very dear friend of mine.他是一个十分崇高的人，也是我非常好的朋友。She finally learned to drive at the grand age of 70.她终于在70岁高龄时学会了开车。课前自主学习课前自主学习课堂互动探究课堂互动探究【完成句子】这座大楼比我想象得更宏伟。_what I imagine.【单项填空】These_schemes are all very well designed，but we mustnt lose sight of the fact that somebody has to pay for them.AgrandBwideCtall Dyoung答案The building is more grand thanA课前自主学习课前自主学习课堂互动探究课堂互动探究课前自主学习课前自主学习课堂互动探究课堂互动探究They bought the house to arm against big price rises.他们买下了房子，以防大涨价。The new battleship shall be armed with 16inch guns.新战舰将用16英寸口径的大炮武装起来。The crowd armed themselves with sticks and stones.群众拿起棍子和石块当作武器。Some people are against it.But I am for the idea.有些人反对这么做，但是我赞成。课前自主学习课前自主学习课堂互动探究课堂互动探究(2)n.手臂；胳膊；(pl)武器She took him by the arm and pushed him out of the door.她抓住他的胳膊将他推出门去。All available forces are under arms.所有兵种都严阵以待。课前自主学习课前自主学习课堂互动探究课堂互动探究【完成句子】全国人民必须武装起来抵抗敌人。The people of the whole country_.【单项填空】Shes balancing herself on the ground with a single_.Ahead BnoseCarm Dwilling答案must arm themselves against the enemyC课前自主学习课前自主学习课堂互动探究课堂互动探究5rough adj.，n.&adv.艰难的，粗糙的，不适的；草图，略图；粗鲁地，粗略地Could you give me a rough idea when youll be back?你能告诉我你大概什么时候回来吗？His manners are rough，but he is a kind man at heart.他虽然举止粗鲁，但心地善良。have a rough tongue说话粗鲁roughly adv.粗略地，粗糙地，粗鲁地roughness n粗糙，凹凸面课前自主学习课前自主学习课堂互动探究课堂互动探究【完成句子】他们在小岛上过着简单的生活。_on a small island.【单项填空】The weather continued_，and the roads were often steep.Aofficial BroughCreliable Dstraight答案They lived a rough lifeB课前自主学习课前自主学习课堂互动探究课堂互动探究6construct vt.&n构建，建造，构筑；构想，概念You must learn how to construct a logical argument.你必须学会怎样确立合乎逻辑的论点。How many days will be needed to construct this irrigation canal？修这条灌溉渠需要多少天？construct the plot of a novel构思小说的情节construct from design 根据设计建造construction n.构造，建筑物constructive adj.建设性的；构造上的onstructively adv.建设性地，积极地课前自主学习课前自主学习课堂互动探究课堂互动探究【完成句子】他们用了两年时间建这座桥。It took them two years_.【单项填空】This fact provides us with the clue we need to_a theory of the atom.Aconstruct BfitCcompare Dmatch答案to construct the bridgeA课前自主学习课前自主学习课堂互动探究课堂互动探究7roll vi.&n滚动，(平稳地)移动；名单We get our friends to roll our sleeves up and get to work.我们召集我们的朋友共同卷起袖子来工作。A moment later you will hear the roll of thunder.过一会你就会听到阵阵雷声。课前自主学习课前自主学习课堂互动探究课堂互动探究roll in滚滚而来，大量涌来roll into 滚进，卷成roll out 铺开，辗平roll up 卷起，到达roll over 翻滚roll back 退回重来rolling adj.旋转的，摇晃的；波动的roller n.滚筒，滚轴，滚转机课前自主学习课前自主学习课堂互动探究课堂互动探究【完成句子】她卷起袖子开始准备晚餐。_and began to prepare supper.她将一页白纸放入打字机内并开始打字。_and started to type.答案She rolled up her sleevesShe rolled a sheet of paper into her typewriter课前自主学习课前自主学习课堂互动探究课堂互动探究1result in 导致Smoking results in lung cancer.吸烟导致肺癌。result from因而造成as a result of 作为的结果，因为as a result 结果without result 毫无结果课前自主学习课前自主学习课堂互动探究课堂互动探究【单项填空】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：据报道近年来艾滋病导致的死亡人数不断增加。result in“导致”；result from“由导致”；主语the death number与动词短语result from是主动关系，故选D项。答案D课前自主学习课前自主学习课堂互动探究课堂互动探究2get over克服；恢复；完成；原谅get over是短语动词，其中over是副词，后面接名词或单独使用，over还可以作介词，后面接名词或代词。He is disappointed at not getting the job，but hell get over it.他因没有得到那份工作而失望，不过他能想得开。We will find ways to get over the difficulties.我们会找到克服困难的办法。课前自主学习课前自主学习课堂互动探究课堂互动探究get between妨碍，挑拨get through 完成；通过；到达get across 通过；被人了解get beyond 越过；为所达不到get away 逃走get off 下来，离开；下车get out 离开；出去；逃避;泄露；取出课前自主学习课前自主学习课堂互动探究课堂互动探究【单项填空】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 between Bget outCget away Dget over答案BD课前自主学习课前自主学习课堂互动探究课堂互动探究1(课文重现)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.如果所有的动物都灭绝了，人类就会死于精神上的寂寞，因为发生在动物身上的事同样也会发生在人类身上。课前自主学习课前自主学习课堂互动探究课堂互动探究【句式分析】本句为由两个复合句组成的并列句，由for连接。第一个分句包含if引导的虚拟条件句，在第二个分句中whatever引导主语从句。If I were a bird，I would fly to the sky.如果我是一只小鸟，我就会飞向天空。If he had taken my advice，he wouldnt have lost his job.如果他当初听我的建议，他就不会失去工作了。If I should have a lot of money，I would buy a big house.如果我将来有很多钱，我会买座大房子。Whatever he says is right.无论他说什么都是正确的。课前自主学习课前自主学习课堂互动探究课堂互动探究【单项填空】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：“天气又干又热。”“是啊。哪怕下一滴雨，事情比现在都要好得多！我的蔬菜也就不会死了。”由句意及题干中的If it had rained even a drop可知事实上第二个人的菜已经死了，题中是对过去的虚拟，所以主句用wouldhave过去分词，因此选D。答案D课前自主学习课前自主学习课堂互动探究课堂互动探究_some people regard as a drawback is seen as a plus by many others.AWhether BWhatCThat DHow解析句意：“一些人认为是缺点的东西，会被其他许多人看做长处。”通过分析从句中的结构，可判断出填空处需要连接代词作宾语，可先排除A、D两项，又因为that在名词性从句中不作任何成分，只起连接作用，所以又可排除C项。故用what，表示“什么东西”。答案B课前自主学习课前自主学习课堂互动探究课堂互动探究【感悟高考】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解析考查虚拟语气，从句中用一般过去时表示对现在的假设。答案D课前自主学习课前自主学习课堂互动探究课堂互动探究If my car _ more reliable,I would have driven to Lhasa instead of flying last summer.(2012陕西)Awas Bhad beenCshould be Dwould be解析考查虚拟语气。根据主语的谓语动词可知题干是表示与过去事实相反的虚拟语气，从句谓语动词用had done，选B。答案B 课前自主学习课前自主学习课堂互动探究课堂互动探究2(课文重现)As a matter of fact，average urban noise pollution levels have decreased by 3 decibels since 1989.事实上，自从1989年以来，人均城市噪音污染已经降低了3分贝。【句式分析】句中since表示“自从以来”，引导状语从句时后接终止性动词，主句常用现在完成时态。He has studied very hard since he came to our school.从来我们学校后，他学习非常努力。课前自主学习课前自主学习课堂互动探究课堂互动探究【拓展】since可以表示原因，语气比because弱，意为“既然”，引导原因状语从句。since引导的从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.既然你不能回答这个问题，我们只好问其他人了。课前自主学习课前自主学习课堂互动探究课堂互动探究【单项填空】James knew that he valued his bicycle far more_ he had bought it with his own money.Asince BifCthan Dthough答案A课前自主学习课前自主学习课堂互动探究课堂互动探究【感悟高考】His first novel _ good reviews since it came out last month.(2011陕西)Areceived Bis receivingCwill receive Dhas received解析句意：他的第一本小说自从上个月出版以来受到了良好的评价。根据since it came out last month可知本句应用现在完成时，故选D。答案D课前自主学习课前自主学习课堂互动探究课堂互动探究3The last few years have seen environmental disasters on a grand scale,and experts are predicting far worse to come.近几年来，自然灾害大规模地发生，专家们预测情况会越来越糟。句中 the last few years 作主语，see 是谓语，是一种拟人化的句式，用来增加句子的表现力。在英语中，表示时间和地点的一些名词有时候可以作主语，此时谓语动词多为“see,witness,find”等。课前自主学习课前自主学习课堂互动探究课堂互动探究The following 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.这座城市见证了最近五年的许多变化。The next few years saw a series of bad harvests.接下来的几年里粮食连年欠收。课前自主学习课前自主学习课堂互动探究课堂互动探究【单项填空】The earthquake in Yushu，Qinghai_the fact that all peoples should team up.Asees Bhas seenCsaw Dhad seen解析句意：青海玉树的地震见证了各民族应该团结一致的事实。结合时态考查see表达“见证某事”的含义，玉树地震是发生在过去的一件事情，故用一般过去时态。答案C课前自主学习课前自主学习课堂互动探究课堂互动探究【感悟高考】The fact that she never apologized _ a lot about what kind of person she is.(2008山东)Asays BtalksCappears Ddeclares解析say a lot about意思是“足以说明”。根据句意“她从来不道歉这个事实，足以说明她是什么样的一个人”，应选A。答案A课前自主学习课前自主学习课堂互动探究课堂互动探究路漫漫其修道远，吾将上下而求索。屈原读不在三更五鼓，功只怕一曝十寒。郭沫若学习必须与实干相结合。泰戈尔学而时习之，不亦说乎？孔子鸟欲高飞先振翅，人求上进先读书。李苦禅求学的三个条件是：多观察、多吃苦、多研究。加菲劳学习从来无捷径，循序渐进登高峰。高永祚活着就要学习，学习不是为了活着。培根立志宜思真品格，读书须尽苦功夫。阮元读书是易事，思索是难事，但两者缺一，便全无用处。富兰克林 课前自主学习课前自主学习课堂互动探究课堂互动探究精品课件精品课件！