Oneoftheeffectivewaystolessenenvironmentalpollutionisthereservationandprotectionofmoreswamps.

参考答案:

B

名词辨析。swamp沼泽，湿地，煤层聚水洼：The swamp country is inclined to poach in winter．这片沼泽地带在冬季一踏就陷下去了。pockets of wet land小块湿地。coral 珊瑚；volcano火山；bees and wasps蜜蜂和黄蜂。