北京課改版英語九年《unit 11 let’s protect the environment》word知識精講(文件)
【正文】 帶來了許多副作用。 1) pour into 涌入 2) more and more 越來越多 3) prevent heat from escaping 阻止散熱 3. Light from the sun heats the earth’s atmosphere, oceans and land, making life on the earth possible. At the same time, a certain amount of heat goes into outer space so that the temperature of the earth is balanced. Nowadays less heat can escape because of the increasing levels of carbon dioxide. The surface temperature of the earth in creased greatly over the last century. The warming increases with time, and could have many side effects. 譯文： 太陽的射線給地球表面，海洋和陸地提供了熱量，使地球上的生命得以延伸。海灘、街道上是丟棄的垃圾。 5. What can we do to save our environments? 我們應該做些什么來拯救我們的環(huán)境？ 五、重點知識講解 Let’s Protect The Environment 1. Global warming is the most serious problem we face in the 21st century. Most scientists have been saying that human activity, not natural factors, is the primary cause of the warming. Many people, both in China and abroad have realized that while we are developing the world, we are also destroying the land on which we are living. We s
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