英语听力入门3000unit2答案教学提纲.doc

英语听力入门30 00 uni t 2 答案精品文档Unit2. World News: Earth and EnvironmentContents:Warming upNews reportCity recyclingGoals:To train students to recognize key words and phrases in listeningTo develop students’ability to identify significant information through listening To activate students’knowledge about environmentTo cultivate students’ability of summarizingTeaching methods:Students’listening; group discussion; teacher’s instructionDuration:90 minutesI. Warming upA.blaze (n. & v) [C] ( a) bright flame or fire 火焰 ; 火光 : Dry wood makes agood blaze. 乾木燃起夺目的火焰 . ( b) very large (often dangerous) fire 大火 ;火灾 : Five people died in the blaze. 有五人死於火灾 .Brazil ---- Rio de Janeiro （ former capital of Brazil ）The new city, Brasilia , replaced Rio de Janeiro as the capital of Brazil in1960.Desertification is the process by which a piece of land becomes dry, empty,and unsuitable for growing trees or crops on. ( 土壤 )荒漠化 , 沙漠化----- A third of Africa is under threat of desertification.收集于网络，如有侵权请联系管理员删除精品文档everglade n. marshland, swamp------- wetlands region in southern Florida 大沼泽地Greenlandn. self-governing island belonging to Denmark located between Iceland and the northeastern coastal islands of North America (largest island in the world)Listen to some sentences about environment and supply the missing information.Check the answers after students ’ discussion.1. New research on the likelyimpact of climate change suggests thatdamage to crops in low-lying coastal regions could be worse than previously thought.2. More than 2000 delegatesfrom around the world have gathered innorthern Brazil for the third United Nations Conference on Desertification.3. Crews are working to clean upa huge oil spill off the coast of Mexico, about 50 miles south of San Diego. ----- a port city in California (USA)4. Wildfires in the Florida Everglades have beencontained after a nearly a week of blazes that consumed 65,000 hectares in the southern part of the States.5. A. US Space Agency study finds thatGreenland is melting around the edges.The loss to the world ’ s second largest ice sheet---more than 50 cubic kilometers per year---is enough to raise global sea levelby 0.13 millimeters.B.Aerial offensivereptile/ ?repta ?l; US - tl; ?ptlˋr/ n any of the class ofcold-blooded, egg-laying animals including lizards, tortoises, crocodiles, snakes, etc with relatively short legs or no legs at all 爬行动物（冷血 , 卵生 , 如蜥蜴﹑ 龟﹑ 鳄鱼﹑ 蛇等） ; 爬虫 .‘salamander火蜥蜴alligator 短吻鳄amphibian : 两栖动物poppy: 罂粟herbicide : substance used to destroy weedsdirectory: list of telephone subscribers, business firms, etc.收集于网络，如有侵权请联系管理员删除精品文档xeric adj. of a dry environment, suited for a dry environmentxeriscaping -----a landscaping method that employs drought-resistant plants in aneffort to conserve resources, especially water旱.生园艺 ; 节水型花园 ----通过选择需水少的植物，进行环境美化sawgrass ----A tall coastal or marshy sedge of eastern North America, Mexico,and the West Indies, having leaves with sharp, minutely toothed margins.锯齿草 :一种产于北美东部、西哥和西印度群岛高海岸或沼生的蓑衣草 ,叶片具有尖利的小齿边缘 .锯草球场 ----golf coursePreliminary listening. Listen to the items and summarize each of them.Listen to the news items again. Focus your attention on the -“ questions“wh and try to answer them.Discussion after the first listening.1. What?It attempts to balance environmental concerns and the needs of the community.2. What?Reptile species are in greater trouble than amphibian species.3． What?A new approach in the fight against the illegal drugs trade.4. What?One in every eight species of plants is threatened with extinction.5. What?A new local directory for the environmentally- aware, called the “ Boulder County Green Pages. ”News items:1. Australia is the world ’ s driest continent. There ’ s general agreement that the coun has to use water more efficiently. In many parts, supplies are in crisis. At a meeting in Canberra, the Council of Australian Governments has approved a national water plan.It attempts to balance environmental concerns and the needs of the communityThe.收集于网络，如有侵权请联系管理员删除精品文档amount of water taken from rivers for commercial use is to be cut and farmers will be compensated.2. The disappearance and deformity of amphibians such as frogs and salamanders from rain forests and mountain lakes worldwide has attracted wide-spread scientific attention over the last decade. Now a new study says reptile species including turtles, snakes, and alligators are in even greater trouble. Twice as many reptiles as amphibians, or some 100 species, are c。