牛津上海版英語九下chapter1thegreenconsumerppt課件之一(編輯修改稿)
2024-12-25 06:17 本頁面
【文章內(nèi)容簡(jiǎn)介】 icals called ______. They are used in fridges and __________, and to make _______ items such as fast food boxes. 2050km protective holes CFCs spray cans plastic ? What will the result be? Dangerous ultraviolet radiation（ 紫外線） from the sun will reach us, causing cancer and blindness, and destroying the food chain in the oceans. ? What is making the Greenhouse Effect worse besides burning fuels? Why? ? How harmful is it? The burning and cutting down of trees. Because trees take in CO2. It causes erosion of the soil and flooding,
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