供英语专业本科师生备课、自学使用的教师教案

Unit 8

供英语专业本科师生备课、自学使用的教师教案

Audiovisual supplement

Cultural information

Watch the video and answer the following questions. 1. Where is the place in the video? The earth. But not the same earth where we are living now. In the video, there are rubbish and dust everywhere. And the city may have been abandoned, because there is nobody on the street but a robot. 2. Is it possible that our planet will be like this in the future? Why? It’s quite possible. Human beings have caused too many troubles to the Earth: air and water pollution, energy crisis, global warming, etc.

供英语专业本科师生备课、自学使用的教师教案

Audiovisual supplement

Cultural information

供英语专业本科师生备课、自学使用的教师教案

Audiovisual supplement

Cultural information

Singing:

Close your eyes and see it listen, Barnaby. Listen, Barnaby! Put on your Sunday clothes. There’s lots of world out there. Get out the brilliantine[ brilj nti:n] n. 润发油；发蜡and dime cigars. We’re gonna[ ɡ n ] n. <美>将要 find adventure in the evening air. Girls in white in a perfumed night where the lights are bright as the stars. Put on your Sunday clothes. We’re gonna ride through town in one of those new horsedrawn open cars. We’ll see the shows at Delmonico’s. And we’ll close the town in a whirl. And we won’t come home until we’ve kissed a girl ...

供英语专业本科师生备课、自学使用的教师教案

Audiovisual supplement

Cultural information

Global warming Global warming is the increase in the average temperature of Earth’s near-surface air and oceans since the mid-20th century and its projected continuation. Most of the observed temperature increase since the middle of the 20th century was caused by increasing concentrations of greenhouse gases, which results from human activity such as fossil fuel burning and deforestation.

供英语专业本科师生备课、自学使用的教师教案

Audiovisual supplement

Cultural information

An increase in global temperature will cause sea levels to rise and will change the amount and pattern of precipitation[pr s n] n. 匆促；沉淀；(雨等)降落；某地区降雨等的量, probably p te including expansion of subtropical deserts. Warming is expected to be the strongest in the Arctic n. 北极圈，北极地带；北极的； 极冷的 and would be associated with continuing retreat of glaciers[ sj ] n. 冰河，冰川 , permafrost[ p :m fr st] n. (如极地的)永久冻土；多年冻土 ɡlæ and sea ice. Other likely effects include changes in the frequency and intensity of extreme weather events, species extinctions, and changes in agricultural yields n. 产量， 产额.

供英语专业本科师生备课、自学使用的教师教案

Global WarmingPeople around the world may feel that the climate has been getting steadily warmer and warmer in recent years. Places which used to be abundant in snowfall have frequently experienced snowfree(无雪的) winters. Drought lasts longer in some dry areas.

供英语专业本科师生备课、自学使用的教师教案

Global Warming People find that without air conditioners they could hardly work or fall asleep on hotter summer daysg. The side effects of global warming are alarminS. A warmer global climate melts the ice caps, raising sea levels. What is mo

re, it disturbs weather patterns, causing droughts, severe storms, hurricanes (飓风). People suffer a lot from disasters relevant to global warming.

供英语专业本科师生备课、自学使用的教师教案

Global Warming To stop global warming we should make immediate and continual efforts. We hope the situation will soon change. Global warming catches and holds our concern, for it affects us and will affect our later generations. We cannot wait any longer. Do it. Do it right. Do it right now.

供英语专业本科师生备课、自学使用的教师教案

News 中新网9月3日电 据美联社报道，2日，世界野 生动物基金会(WWF)将1000个小冰人被放置 在了柏林御林广场音乐厅的台阶上，让它们慢 慢融化成水。活动组织者希望通过此举引起公 众对全球变暖的关注。 巴西艺术家阿兹瓦多用冰雕刻出了1000个坐 着的小人，然后将他们放置在广场的台阶上。 当时柏林的温度大约为23摄氏度，冰人们在半 小时内全部融化。 WWF警告称，由于北极冰川融化，2100年全 球海平面上升超过1米。会导致全球气候变化 ，并使更多温室气体排放到大气中。

供英语专业本科师生备课、自学使用的教师教案

News

供英语专业本科师生备课、自学使用的教师教案

News

供英语专业本科师生备课、自学使用的教师教案

News

供英语专业本科师生备课、自学使用的教师教案

News

供英语专业本科师生备课、自学使用的教师教案

News

供英语专业本科师生备课、自学使用的教师教案

News March 1999 美 国 太 空 总 署 (NASA) 的 研 究 发 现 , 在 北 欧 的 格 陵 兰 (Greenland) 的 冰 川 (glacier) 出 现 变 薄的现象,表示冰块溶解,流出大西洋的速 度加快了. 科学家在一九九三年利用飞机观察格陵兰 冰块的厚度,在一九九八年的视察发现,在 五年间冰块薄了达三十呎之多;冰块变薄 的地方主要是格陵兰的东岸,那里的气温 在过去五年是比较和暖;在格陵兰西岸也 发现冰块变薄的现象(见图),在过去几年, 西岸的气温是比正常的低. 科学家还未找出冰块变薄的原因,不过,假 如这个现象继续恶化,会对海水水位有一 定的影响.