英语听力入门3000unit2答案(精编文档).doc

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Unit2. World News: Earth and Environment Contents:

Warming up

News report

City recycling

Goals:

To train students to recognize key words and phrases in listening

To develop students’ability to identify significant information through listening

To activate students’ knowledge about environment

To cultivate students’ ability of summarizing

Teaching methods:

Students’ listening; group discussion; teacher’s instruction Duration:

90 minutes

I.Warming up

A.

blaze (n. & v) [C] (a) bright flame or fire 火焰; 火光: Dry wood makes a good 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 in 1960.

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.

everglade n. marshland, swamp

------- wetlands region in southern Florida大沼泽地

Greenland

n. 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 likely impact of climate change suggests that

damage to crops in low-lying coastal regions could be worse than previously thought.

2.More than 2000 delegates from around the world have gathered in

northern Brazil for the third United Nations Conference on Desertification.

3.Crews are working to clean up a 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 been contained 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 that Greenland is melting around

the edges. The loss to the world’s second la rgest ice sheet---more than 50 cubic kilometers per year---is enough to raise global sea level by 0.13 millimeters.

B.

Aerial offensive

reptile

/ ˈreptaɪl; US -tl; ˋrɛptl/ 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 weeds

directory: list of telephone subscribers, business firms, etc.

xeric adj. of a dry environment, suited for a dry environment xeriscaping-----a landscaping method that employs drought-resistant plants in an effort 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 course

Preliminary listening. Listen to the items and summarize each of them. Listen to the news items again. Focus your attention on the “wh-“ questions 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?