20xx春牛津深圳版英語九下unit3theenvironmentreadingppt課件-wenkub
2022-11-28 00:25:41 本頁面
【正文】 earn the new words and useful expressions Objectives： Words: concern atmosphere temperature guess green lifeless fuel coal result increase sea level destroy nature surface soil flood habit proper friendly recycle purpose Phrases: greenhouse effect in danger as a result of result in mountains of take action make a difference Patterns: it, the Earth would be the same as the Moon—cold and lifeless. 2. Cutting dow trees also destroys the homes of the animals that live in our forests, and causes the surface of the soil to be easily destroyed by rain. 3. This can result in floods and even more damage to the environment. 4. We should be different from many consumers and bee “green consumers”. 5. This means that we should only buy and use products fri dly to the environment. What has Lo done? What did Hi tell Lo to do? Does Lo understand what Hi meant? What did Hi mean when he told Lo to be greener? He has painted himself green. He told Lo to be greener. No, he doesn’t. Getting ready Look at the cartoon and answer: He meant that Lo should care more about the environment. Look at the following pictures and think about what causes the problems. How much do you know about the greenhouse effect? The greenhouse effect is the process of the gradual (逐漸的 ) rise in temperature of the Earth’s atmosphere. The Earth is getting warmer as an increase of gases such as carbon dioxide in the atmosphere trap the heat of the Sun. The greenhouse effect 溫室效應(yīng) What do you know about the greenhouse effect? Match the first half of the sentences in column A with the second half in column B. Write the correct letters in the blanks. (P 34) e f b d c a Can you guess the result of the greenhouse effect? What is the result of the greenhouse effect? In groups, discuss this with your classmates. (P 34) A2 The greenhouse effect results in: ?polar ice melting and the rise of sea levels ?hurricanes (颶風(fēng) ) and other storms are likely to happen more frequently as well as floods and droughts (旱災(zāi) ) ?fresh water will be less available ?some diseases spread faster ● Plant flowers, grass or trees. ● Whenever you visit a park or beach, take away what you bring there—keep rubbish in a bag until you can put it in a dustbin. ● Turn off the lights, TV sets when you leave the room. This saves a lot of electricity (電 ). ● Turn off the tap (水龍頭 ) when you brush your teeth. You can save some water by not letting it run. Also, use a glass cup instead of a paper cup because this saves
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