|
请解释一下选择的理由。谢谢。
In spite of the strong opposition to new and stricter environmental laws，however，it is still possible to attack the problem of chemical；but we must attack it from three directions. First，we need more independent research into the effects of chemical by scientists who are not ___2___ by the government or by the large industrial cf 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 children，then they will put pressure on politicians in local and national govenments. If the politicians want to remain in office，they will take action to correct the ___7___. 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 contaminateed（污染）by chemical；it will be even more costly to give medical treatment to people who are suffering from serious illnesses after ___9___ to dangerous chemicals，if govenments realize this， the short－term economic benefits of chemicals will seem much less attractive to them.
（ A ）2．A．paid B．appointed C．supported D．approved
（ D ）7．A．laws B．regulations C．rules D．situation
（ B ）9．A．touch B．exposure C．experience D．presence
|
