完形填空练习一篇

For fifteen years I’ve been saying in my talks that nothing can stop the river in its journey to the great ocean. No matter how 1 the dam people built,the river will get past that dam and 2 its way to the ocean.I didn’t consider the 3 that millions of people could make a river 4.Now half of the world’s wetlands have been drained(排干),and many 5 of the animals are now gone. What’s worse,there are the pollutants that we either dump 6 that find their way into our rivers and lakes:fertilizers(肥料),silt(残渣),waste water,rubbish—the 7 is endless.I did some 8 and