阅读理解 As a result of pollution, Lake Erie, on the border of the USA and Canada, is now without any living things. Pollution in water is not simply a matter of “poisons killing large numbers of fish overnight. Very often the effects of pollution arc
As a result of pollution Lake Erie on the borders of the U. S. A. and Canada is now without any living things. Pollution in water is not simply a matter of "poisons" killing large number of fish overnight. Very often the effects of pollution are not noticed for many months of years...
During the emergency in Ohio this weekend, officials began to talk about how to stop pollution from running into Lake Erie. Now it's the most important thing, because two-thirds of the drinking water in America comes from Lake Erie. And the toxins in the drinking water didn't just ...
阅读理解 As a result of pollution Lake Erie on the borders of the USA and Canada is now without any living things. Pollution in water is not simply a matter of“poisons”killing larg
During the emergency in Ohio this weekend, officials began to talk about how to stop pollution from running into Lake Erie. Now it's the most important thing, because two thirds of the drinking water in America comes from Lake Erie. And the town in the drinking water didn't just suddenly...
阅读理解 As a result of pollution Lake Erie on the borders of the USA and Canada is now without any living things. Pollution in water is not simply a matter of“poisons”killing larg
阅读理解 As a result of pollution Lake Erie on the border of the USA and Canada is now without any living things. Pollution in water is not simply a matter of “poisons” killing large numbers of fish overnight. V
Galbraith, The Polipollutionists, Atlantic, Jan. 1967, at 52, 54. fAKE ERIE is in danger of becoming a marsh.'This potential TEdanger may be realized within this century." At the present rate of weed growth, Lake Erie will become a Sargasso Sea within the lives of ourReitze, Arnold W...
根据最后一段During the emergency in Ohio this weekend,officials began to talk about how to stop pollution from running into Lake Erie.(在本周末俄亥俄州的紧急情况下,官员们开始讨论如何阻止污染流入伊利湖。)和And the toxin in the drinking water didn't just suddenly appear.(饮用水中的毒素并不是...
aMost of the water flowing into Lake Erie is from Lake Huron, and most of the water flowing into Lake Ontario is from Lake Erie. Assume that the three lakes contain some amount of a certain pollutant. Suppose that this kind of pollution of the lakes has ceased, except for pollution ...