问题
问答题
用不超过350字的篇幅，提出解决给定问题的方法。要有条理地说明，要体现针对性和可行性。
答案
参考答案：对策分析：
(1)建立切实可行的可持续发展法律法规。
(2)完善有关法规控制汞排放总量。
(3)加大治理燃煤大气排汞技术力度。
(4)加强对汞行业、汞污染排放源的管理。
(5)对新污染源进行研究并制定标准。
搜题请搜索小程序“爱下问搜题”
用不超过350字的篇幅，提出解决给定问题的方法。要有条理地说明，要体现针对性和可行性。
参考答案：对策分析：
(1)建立切实可行的可持续发展法律法规。
(2)完善有关法规控制汞排放总量。
(3)加大治理燃煤大气排汞技术力度。
(4)加强对汞行业、汞污染排放源的管理。
(5)对新污染源进行研究并制定标准。
Do you know an old city called "Pingyao" in Shanxi? The old city is not far from Taiyuan, the capital of Shanxi Province (省). It's a town with a long history of more than two thousand years. The old city is not very large. It is only 2.25 square kilometers in size. And there are no tall buildings here. Most of the buildings have only two floors. And most of them are made of stones(石头). There are many Chinese-style shops on each side（边）of the street. Pingyao is a square（方的）city. The city has a wall around it. It's about 6 km long and 12m high. The wall has six gates. And you mustn't miss the nice food in Pingyao. Try Pingyao beef and you are sure to fall in love with it. Pingyao is a place worth(值得) a visit. You can take buses or trains here. It's less than 2 hours' bus ride from Taiyuan. It costs you only 20 yuan. If you take a train, it will take you less time, only one and a half hours. And if you want to go to Pingyao from Beijing, the train ride takes only about 6 hours. The City of Pingyao 
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