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.
What can be inferred from this passage?

选项 A、Companies have not been given an equal chance to develop their business.
B、A company will go bankrupt if its cars have to be installed with pollution control devices.
C、The US government has not set up standards on pollution control for car producers.
D、It is necessary to persuade producers to take effective pollution control measure.

答案C

解析 由问题中的infer(推断)可以推断,本题为大意题。解题时可以根据文章中心思想,文章关键词及前面几道小题的问题及答案来共同推断。
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