摘要：It can be inferred that young mothers would try to keep their children away from the old because . A.they feared their children might hurt the old B.they didn’t like their children to take up the space belonging to the old C.they felt it was wrong to play balls near where the old stayed D.they didn’t want their children to have anything to do with the old B In spite of the strong opposition to new and stricter environmental laws,however,it is still possible to attack the problem of chemical pollution;but we must attack it from three directions.First,we need more independent research into the effects of chemicals by scientists who are not paid by the government or by the large industrial companies.Second,scientists need to educate the general public and inform them about the dangers of chemicals in the environment.If the public knows that a certain chemical threatens the health of their childen,then they will put pressure on politicians in local and national governments.If the politicians want to remain in office,they will take action to correct the situation.Third,economists need to educate governments about the long-term economic costs of chemicals.It will be extremely expensive to clean areas of land which are polluted by chemicals;it will be even more costly to give medical treatment to people who are suffering from serious illnesses after exposure to dangerous chemicals.If governments realize this,the short-term economic benefits of chemicals will seem much less attractive to them. If we can put pressure on governments in these three ways,perhaps they will begin to behave more responsibly,and they will perhaps pass new laws against pollution and enforce them strictly.Perhaps,then,the chemical producers will begin to behave more responsibly.

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