北京課改版英語(yǔ)九年unit11let’sprotecttheenvironmentword知識(shí)精講(存儲(chǔ)版)
【正文】 lanced. 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(yáng)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。 5. What can we do to save our environments? First, we can plant more trees. Trees can take in carbon dioxide and then produce oxygen. Second, we have to find new power, coal and oil should be used as little as possible because these sources would produce a lot of gases. Instead, we should try to make use of solar energy, wind power, hydrogen and some new sources of energy. Third, we can start environmental groups to tell people the importance of protecting the earth 譯文： 我們應(yīng)該做些什么來(lái)拯救我們的環(huán)境？首先，我們可以多種樹。最后，我們應(yīng)該成立環(huán)保小組，以告知所有人保護(hù)地球的重要性。地球氣溫上升使冰蓋融化，海平面上升。修建了越來(lái)越多的高樓大廈，但來(lái)自工廠的廢料污染了水，來(lái)自工廠的廢氣污染了空氣。 3. The more beautiful cars are produced, the more gases are poured into the air. 人們生產(chǎn)出越來(lái)越多 的漂亮汽車，向大氣中排放著更多的廢氣 。 2. Beaches and city streets are littered with rubbish. 海灘、街道上是丟棄的垃
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