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Describe an environmental problem in your country. You should say: what this problem is what the causes of the problem are how this problem affects people and explain how this problem could be solved. 参考答案 1、点题。Dust storm Problem in northern China Early spring, Strong winds carry sand from Gobi desert. 让我担心 2、原因。two major reasons Strong winds, desertification, Overuse of farmland and overgrazing 植被破坏，romove tons of topsoil a day. 3、影响。Badly. Yellow, poor visibility. 戴face masks, respiratory disease. 引发健康问题 4、解决。复杂，简单解决方案. 最简单，Plant trees 最好的，turn cultivated land back into grasslands and forests. This is an important measure to control water loss and soil erosion. 三、背景阅读 摘自The Hindu, Saturday, Jul 06, 2002 Plastic Pollution USHA JESUDASAN Walk down any city street or village road, turn any corner, find a spot at the beach or in a park and you will find mounds and mounds of dirty plastic bags, food wrappings, plastic cups, bottles and cartons lie piled high, or blocking drainage systems and sewers. The road outside our house is littered with flimsy multi-coloured plastic bags. The wind blows these bags into the open gutter. The bags collect and block the gutter which then spills on to the road. Mosquitoes thrive in the stagnant water. Pigs and rats wallow in the slime, carrying disease. The place stinks and the air is polluted. The garbage men refuse to clean the gutters... they are only paid to clear the litter off the streets! So the clutter and slime increases every week. | 
