【正文】
sible damage and gradually withered and died. Soon it became just like the one described in the beginning. From her fine and smooth describing, I can even feel the groan of the town. Moreover Carson also sharply pointed out that the deepseated cause for the environmental problem is the human’s arrogance and ignorance. So she asked people to correct the attitude toward the nature and reconsidered the developing path of human being. Carson thought that because of the antibody and differentiation, pesticides would never be pletely useful. On the contrary, those more and more poisonous medicines, because of the enrichment effect, would accumulate in humans’ body. It’s quite sarcastic that we hurt ourselves much badly while hurting the others. Then she analyzed many poisonous ponents in pesticides. Those are all unfamiliar names except DDT, such as chlordane, chloronaphthalene, pound 497, etc. Those things really make me feel scared. We are on the top of the food chain, and it is such a perfect and fragile system. We human beings are just part of it and we depend on all of the creatures who stay on the lower positions. It is so hard and ridiculous to try to mat