您好：Environmental problems are becoming more and more serious all over the world. With the development of industry and agriculture, cars make great noises and give off poisonous gas. Trees on the hills have been cut down,and waste water is being poured continuously into rivers. Furthermore,wherever we go today, we can find rubbish carelessly disposed. The whole ecological balance of the earth is changing. Massive destruction of environment has brought about negative effects and even poses a great threat to man's existence.
We must face the situation that exists and take actions to solve our environmental problems. For instance, new laws must be passed to place strict control over industrial pollution, the pub!ic must receive the education about the hazard of pollution and so on. We hope that all these measures will be effective and bring back a healthful environment. 全世界的环境问题在变得越来越严重。随着工农业的发展，汽车制造噪音、排放毒气，山上的树木被砍伐，污水不断被排入河里。另外，无论我们走到哪里，到处可见随意丢弃的垃圾。整个地球生态平衡正在改变，环境的巨大破坏已带来负面影响，甚至对人类生存带来巨大威胁。
我们必须面对现实，采取行动解决环境问题。例如必须通过新的法律严格控制工业污染问题，大众必须接受污染危害的教育等。我们希望这些措施的有效实施能带给我们一个健康的环境。

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　　seller’s market. homebuyers feel like they have to offer at least 10 percent more than the asking price. donna, a new owner of a one-bedroom condo in venice beach, said, “that’s what i did. i told the owner that whatever anyone offers you, i’ll give you $20,000 more, under the table, so you don’t have to pay your realtor any of it. i was tired of looking.” tim says he hopes he doesn’t get that desperate. “whether you decide to buy or decide not to buy, you still feel like you made the wrong decision. if you buy, you feel like you overpaid. if you don’t buy, you want to kick yourself for passing up a great opportunity.” everyone says the bubble has to burst sometime, but everyone hopes it will burst the day after they sell their house. even government officials have no idea what the future will bring. “all we can say is that, inevitably, these things go in cycles,” said the state director of housing. “what goes up must come down. but, as we all know, housing prices always they go down. so you can’t lose over the long run. twenty years down the road, your house is always worth