1、Lesson 3 Unnatural Disasters,Look at the following pictures and what are happening in the pictures?,earthquakes,droughts,tsunami,floods,volcanic eruptions,hurricanes,forest fires,typhoon,landslides,What do you think causes the disasters, people or nature?,Discussion,unnatural,Read the text again and
2、 answer these questions:,1. What is the attitude of the journalist towards the future ? Pessimistic. 2. Who are most likely to be the victims of natural disasters? Poor people.,3. Why are there now more hurricanes, floods and droughts ? Overpopulation and mismanagement of the worlds resources.,4. Wh
3、y are volcanoes and earthquakes more dangerous now ? Because half the worlds population lives in cities within range of volcanic eruptions and earthquakes. 5. What could be the biggest threat to the planet in the future? A volcanic eruption.,6. What effects might this threat have? It might plunge th
4、e planet intowinter for years.,Fill in the blanks about the text.,In the last _ years , there are more and more disasters such as _ , _, windstorms, earthquakes, _, volcanic _and _ fires all over the world. Why are so many disasters ? One of the reasons is over- _.,ten,floods,droughts,typhoons,erupt
5、ions,forest,population,_ addition, _ change and the spectre of global _ caused by the mismanagement of the worlds resources can lead to the disasters or make them worse.,In,climate,warming,At present, volcanoes and earthquakes are more _ with the fast _ of people . Earthquakes take the lives of 1.6
6、million People in the last hundred years. What is worse, the disaster professionals predict that the things will get _.,dangerous,growth,worse,Language Points,Important phrases,1. on record 2. result in 3. wipe out 4. turn on 5. at the rate of 6. quantities of 7. for instance,记载下来的，有记录的,产生。结果，导致 区别于
7、 result from,消除，毁灭,打开，攻击，袭击,以速度 at the speed of,大量 a quantity of,for example,8. within the range of 9. at risk10. in some degree11. plunge into12. on top of ,在范围内,有危险，冒险,在某种程度上说,使陷入，遭受。,in addition,With 的复合结构:with +n./pron. + adj./ adv./prep phrases /n /doing / done /to do with + object + object com
8、plement With 的复合结构在句子中可以做伴随状语,也可以做原因状语和后置定语,e.g. He walked along with his head down/ with his face red He is waiting for you with a magazine in his hand.With you monitor in my class, I will be in charge of the class easily.,With nothing to do, I will go to the cinema . With his work finished, he wen
9、t back home. He lay there, with his eyes looking at the sky. Who lives in the room with the light on?,(1) 他站在那里,手被帮在一棵树上。He stood there, with his hands tied to a tree. (2) 他头高昂着走了进来. He came in with his head high.,wipe out: (1) get rid of / remove: 清除, 除去 e.g. Wipe out these unhappy things between y
10、ou and her . (2) destroy completely : 毁灭, 消灭,e.g. At last, the army led by Mao Zedong wiped out the enemies . A disease almost wiped out the population of the island.,risk : vt./n. 冒险 e.g. You are to take risks to get what you want, but you must not risk your life !at risk 处于危险之中, 作表语或者状语,at/ take/r
11、un the risk of 冒的危险 He saved my life at the risk of losing his own. They were ready to run/take the risk of being taken prisoner by the enemy.,risk it: 冒风险试试 I dont dare to risk it, its too dangerous.,plunge: vt./vi. 投入(某物) 使陷入; 突入Dont plunge your hand into cold water. What plunged the country into
12、the war?,result in: have as a consequence 造成的结果,导致 e.g. It is their carelessness that resulted in the accident.,result from 是由。造成的e.g. It all resulted from jealousy.,1. After the storm they had to _. 2. Many people in the developing world suffer from diseases because they are _. 3. Our team was knoc
13、ked out in the _ of the competition.,rebuild,undernourished,semi-final,Exercise 6 Complete the sentences with words from the above exercise in a suitable form.,4. The bomb was about to go off but the experts managed to _it . 5. I _ the question and failed the exam . 6. I _ yesterday and arrived an hour late for class .,defuse,misunderstood,overslept,7. A lot of houses collapsed in the earthquake because of _ construction . 8. Floods are not _ these days; they happen more and more often.,sub-standard,unusual,
