牛津上海版英語九下chapter1thegreenconsumerppt課件之一-文庫吧資料
2024-11-27 06:17本頁面
【正文】 the earth acting like the glass,letting sunlight in while keeping much of the warmth from getting out. ? 2. The atmosphere is changing because we are polluting it with chemicals. ? 3. The poisonous gases are mainly made up of Oxygen (O2) and carbon dioxide (CO2) . ? 4. The greenhouse effect may cause the level of the sea to drop. T T F F ? Ozone layer occurs _______ above the ground. It forms an essential ________ layer around the earth. Without it, the sun would burn us up. We are making ______ in the ozone layer mainly by using chemic
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