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  3. Only the government can ensure that the American people have clean air and pure water. Congress must pass laws to stop manufactu

Only the government can ensure that the American people have clean air and pure water. Congress must pass laws to stop manufactu

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问题     Only the government can ensure that the American people have clean air and pure water. Congress must pass laws to stop manufacturers from polluting the air and water with the waste from their factories.
    Unless anti-pollution standards are enforced for all, companies that care about a clean environment will go out of business. For example, if Automobile Company X spends money to put an air-pollution control device on their automobiles, their cars will be more expensive than the cars produced by another company. People who don’t have the extra money or who don’t care about pollution will not buy the more expensive cars. Automobile Company X will go bankrupt(破产); that is, it won’t make enough money to pay its workers and to buy materials. It will then go out of business. Of course, no automobile company will make itself go bankrupt on purpose, and the pollution of the land and air and water will go on.
    But if the government says that all automobile manufacturers must make cars with air-pollution control devices, the cost of all manufacturers will be equal. So the government cannot let companies decide whether or not they want to stop pollution. The government must force manufacturers to clean up the environment by setting anti-pollution standards for everyone.
If a company cares about a clean environment while others don’t, it will have to______.
选项 A、change the anti-pollution standards for its products
B、sell its products at a more expensive price
C、buy materials at a higher price
D、pay more money to its workers
答案B
解析 根据问题关键词a company，other等字眼，我们可以锁定文章出处在“if Automobile Company X spends money to put an air—pollution control device Oil their automobiles，their cars will be more expensive than the cars produced by another company．”，因此正确答案为B．
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