2020年北师大版高中英语选修8课件：Unit22 Lesson 3 Natural Disasters

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1、,Unit 22 Environmental Protection,PART 1,基础自测,PART 3,互动探究,PART 4,达标检测,Lesson 3 Natural Disasters,PART 2,课文预读,PART 1,基础自测,默写练习 (三),.写出下列单词的汉语意思(共12小题；每小题2分，满分24分) 1.typhoon n. 2.grand adj. 3.thunderstorm n. 4.rainfall n. 5.arm vt. 6.quake n. 7.offshore adj. 8.catastrophe n.,_ _ _ _ _ _ _ _,查看答案,台风,巨大

2、的,雷暴，雷雨,降雨量,武装,地震,在近海岸的,巨大的灾难,9.means n. 10.clay n. 11.brick n. 12.howl vi.,查看答案,方法,黏土,砖，砖块,咆哮，怒吼,_ _ _ _,.写出下列汉语对应的英语单词(共12小题；每小题3分，满分36分) 13.多变的adj. 变化n.& v. 14.灌溉n. 灌溉v. 15.艰难的adj. 粗略地；粗暴地adv. 16.分离，分开n. 使分开vt.,查看答案,_ _ _ _ _ _ _ _,changeable,change,irrigation,irrigate,rough,roughly,separation,se

3、parate,_ _ _ _ _ _ _ _ _ _ _,17.建造vt. 建造，建造物n. 18.滑落vi. 19.滑行vi. 20.多山的adj. 山n. 21.逃走vt. & vi. 22.可能性，潜在性n. 23.尘土，灰尘n. 布满灰尘的adj. 24.(平稳地)移动，滚动vi.,查看答案,construct,construction,slip,slide,mountainous,mountain,flee,potential,dust,dusty,roll,.写出下列短语或短语对应的汉语意思(共10小题；每小题2分，满分20分) 25.突然攻击某人 26.导致，造成 27.消灭，摧

4、毁 28.recover from 29.get over 30.at the rate of 31.earn ones/a living 32.提前 33.at risk 34.在某种程度上,查看答案,_ _ _ _ _ _ _ _ _ _,turn on sb.,result in,wipe out,从中恢复,克服，恢复,以的速度,谋生,in advance,处于危险中,to some degree,.完成句子(共4小题；每小题5分，满分20分) 35.The last few years environmental disasters on a grand scale，and exper

5、ts are predicting far worse to come.过去的几年已经目睹了大规模的环境灾难，专家们预测更为严重的灾难即将来临。 36.Storms have been getting worse everywhere too，with a growing number of hurricanes ，and Central America. 暴风雨也愈发四处肆虐，越来越多的飓风袭击美国和中美洲。,查看答案,have seen,hitting the US,37.This has mainly been caused by the huge amounts of carbon d

6、ioxide , and the destruction of the worlds forests. 这主要是由工厂和车辆产生的大量二氧化碳以及世界森林的破坏造成的。 38.There are more than 300 active volcanoes, _ , and more than 500 million people now live within the range of a volcanic eruption.世界上有300多座活火山，每年大约有50座喷发，现在有5亿多人生活在火山爆发的范围内。,查看答案,produced by factories and vehicles,

7、about fifty of which erupt each,year,PART 2,课文预读,回归教材 萃取文本主旨,.Tell whether the following statements are true(T) or false(F). 1.According to the passage，in the last decade，hurricanes often hit China.( ) 2.The tsunami happening in 2004 totally killed 132,000 people.( ) 3.Volcanic eruptions and earthqu

8、akes can happen at random times.( ) 4.Most experts in natural disasters think things could get far worse.( ) 5.Many countries have taken effective measures to face the natural disasters.( ),查看答案,F,F,T,F,T,.Read the passage carefully and choose the best answer. 1.Which of the following examples doesn

9、t belong to natural disasters? A.In 2008，a terrible earthquake hit Wenchuan. B.In the spring of 2009，a large area of farmland in China suffered drought. C.A lot of people in some African countries are infected with AIDS. D.Pompeii was buried underground for nearly 2,000 years after a volcanic erupti

10、on.,查看答案,2.The attitude of the journalist towards the future is . A.optimistic B.pessimistic C.indifferent D.ambiguous,查看答案,3.According to the passage who is to blame for the increasing number of natural disasters? A.Nature itself. B.Human beings. C.Over advertising. D.The development of modern scie

11、nce.,查看答案,4.Which of the following statements is TRUE according to the passage? A.There 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 technology，fewer and fewer people

12、suffer from natural disasters. D.Global warming has no connection with natural disasters.,查看答案,5.In the title “Nature is turning on us”，which of the following is similar to “turn on” in meaning? A.Switch on. B.Depend on. C.Take on. D.Strike.,查看答案,PART 3,互动探究,探究重点 互动撞击思维,1,A number of nations have al

13、ready been in armed conflict over water，and reduced rainfall in the west of the US has resulted in huge forest fires. 已经有几个国家因为水的问题而动武，而美国西部由于降水减少导致了森林大火。, result in导致，造成,result from起因于，由造成 as a result结果 as a result of因为，由于 without result毫无结果地,重点词汇,(1)Experts say its an invaluable social practice th

14、at results in big benefits. (2018全国) 专家说，那是会带来巨大利益的无价的社会实践。 (2)The young man was often late for work. ，he was fired. 这个年轻人经常上班迟到。结果他被解雇了。 (3)The ceremony had to be put off the bad weather. 因为恶劣的天气，典礼不得不延期。 (4)To our regret，the meeting broke up . 让我们遗憾的是，会议没有结果就结束了。,查看答案,As a result,as a result of,wi

15、thout result,句型转换 (5)His carelessness resulted in the terrible accident. The terrible accident his carelessness.,查看答案,resulted from,2,means n.(单复数同形)方法，手段,People in agricultural areas，without any means to earn their living，move to the cities，and then construct shabby homes from whatever materials th

16、ey can find on poor clay soil.农业地区的人们因为没有办法谋生而流向城市，然后他们在贫瘠的土地上用可以找到的任何材料搭建起破烂的房屋。,a means of一种手段/方法 by all means一定，务必；用尽一切办法；(表示答应)好的，当然可以 by means of用，依靠 by this/that means用这种/那种方法,by no means绝不(位于句首时句子用部分倒装) 注意：当means作主语且有every，each，one，a等词修饰时，谓语动词用单数；有some，several，many，a few等词修饰时，谓语动词用复数。,(1)The

17、government will eliminate this disease by all means. 政府会用尽一切办法消灭这种疾病。 (2)This is a two-year course taught lectures and seminars. 这是一门通过讲座和研讨会的形式讲授的两年制课程。 (3)By no means what the president can do to end the strike. 总统能做什么来结束罢工，这点完全不清楚。 单句改错 (4)Every means have been tried to save the boy.,查看答案,by mean

18、s of,is it clear,has,3,In May 2006，thousands of Indonesians living near Mt Merapi (which means mountain of fire)had to flee as they thought it was about to erupt. 2006年5月，成千上万的住在默拉皮火山(意思是“火之山”)附近的印尼人不得不逃离家园，因为他们认为火山要喷发了。, flee vt.& vi.(fled，fled)逃走,flee to/into.逃到 flee from.从逃离；避开,(1)They were force

19、d to flee their motherland when the war broke out. 当战争爆发时，他们被迫逃离他们的祖国。 (2)Jack London after a quarrel with his family. 杰克与家人争吵以后离家去了伦敦。 (3)Hearing the alarm，the frightened people fled the fire. 听到警报，惊恐的人们逃离了火灾现场。,查看答案,fled to/into,from,1,The last few years have seen environmental disasters on a gran

20、d scale，and experts are predicting far worse to come.过去的几年已经目睹了大规模的环境灾难，专家们预测更为严重的灾难即将来临。,经典句式,see意为“见证，目睹，经历”时，常用表示时代、年代、世纪或地点的名词作主语，表示某时或某地“目睹、发生、经历、见证”了某事。 与see用法相同的动词有find，witness，say，observe，experience等，这些词在句中作谓语，用物作主语时，表示一种拟人的手法，以增添语言色彩，使表达更形象。,(1)The old house in which he was born saw the cha

21、nges in the big family. 他在里面出生的这座老房子见证了这个大家庭的变迁。 (2)Dusk found him crying in the street. 黄昏时他在街上哭。 (3)The two stone lions standing in front of Tian anmen many great historic events. 天安门前的这两只石狮见证了许多重大的历史事件。,查看答案,saw/witnessed,2,Storms have been getting worse everywhere too，with a growing number of hu

22、rricanes hitting the US，and Central America.暴风雨也愈发四处肆虐，越来越多的飓风袭击美国和中美洲。,“with a growing number of hurricanes hitting.”为with复合结构。 “with宾语宾语补足语”称为with复合结构，此结构在句中常作状语，可位于句首或句尾，常作时间、原因、方式、伴随状语，亦可作后置定语。在此结构中可用形容词、副词、介词短语、不定式、现在分词、过去分词等作宾语补足语。,查看答案,(1)With the floor wet and dirty，we had to stay outside.As

23、 a result，we got a cold.由于地板又湿又脏，我们只好待在外面。结果，我们感冒了。 (2)When she entered the room，she found her son lying on the bed with all his clothes on. 她进屋时，发现儿子和衣躺在床上。 (3)With so many children (talk)loudly，I couldnt settle down to my work. 这么多孩子大声说话，我不能静下心工作。,talking,(4)With so many problems (settle)，the new

24、mayor couldnt sleep well. 有这么多问题要解决，这位新市长都睡不好觉。 单句改错 (5)With all the goods needed buying，she left the market happily.,查看答案,to settle,bought,PART 4,达标检测,当堂检测 基础达标演练,1.The weather is terribly (change) at this time of the year. 2.The local government has taken action to wipe the strange disease. 3.It w

25、as their quarrel that resulted a terrible war between two countries. 4.He tried to flee the police in a stolen car. 5.He got into the house means of an open window. 6.The guide told us that it was a (mountain) island. 7.The disease is spreading，and all the young children are risk. 8.His normally fri

26、endly dog turned him and hit him in the leg.,.单句语法填空,查看答案,changeable,out,in,from,by,mountainous,at,on,9.All possible means so far. Every possible means so far. 到目前为止，一切方法都已试过了。 10.They were out of work and _ on a small island. 他们失业了，在小岛上过着艰难的生活。 11.Our school in the last few years. 在过去的几年里，我们学校发生了许多

27、巨大的变化。,.完成句子,查看答案,have been tried,has been tried,earned/lived/led a rough life或earned a rough,living,has seen/witnessed many great changes,12.It is bad manners for you to speak . 你在说话时用手指指着别人是不礼貌的。 13.By no means ，for he lacks experience. 这件事他绝对没能力处理，因为他缺乏经验。,查看答案,with your finger pointing at others

28、,is he able to handle the matter,Volcanoes and earthquakes are even much dangerous than in the past as around half the worlds population now live in cities.There are more than 300 active volcanoes，about fifty of them erupt each year，and more than 500 million people now live within a range of a volca

29、nic eruption.Because of these natural disasters occur at random time，it is difficult to warn people in advance.,.课文短文改错,more,lives,which,the,times,查看答案,In May 2006，thousands of Indonesians live near Mt Merapi (which means mountain of fire) had to flee as they thought it about to erupt.An even greater number of people live at risk，in some degree，from earthquakes which had claimed more than 1.6 million lives in the last hundred years.,查看答案,living, was,to,have,