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  3. Thanks in no small part to Al Gore and his film producers, the American public is waking up to the seriousness of global warming

Thanks in no small part to Al Gore and his film producers, the American public is waking up to the seriousness of global warming

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问题     Thanks in no small part to Al Gore and his film producers, the American public is waking up to the seriousness of global warming. What is not so widely appreciated is that unless the US government acts urgently and decisively, this problem could very quickly get very much worse.
    For reasons both economic and political coal is poised to be the fuel of choice in the coming decades as the US weans itself off foreign oil. Coal combustion generates half the US’s electricity and releases about 1. 5 billion tons of carbon dioxide a year. If present trends continue, these figures will more than double by 2050, much to the detriment of the world’s climate. Without an alternative fuel, the only solution is to capture and store carbon dioxide from burning coal.
    Overcoming the engineering obstacles in the way of large-scale sequestration of carbon dioxide will be hard enough, but the bigger challenge is one of political will. US companies as yet have no incentive to capture carbon emissions. While moves at state and congressional levels are pushing in the right direction, the ambiguity in the administration’s policy is counterproductive.
    It is time for the US government to put a price on carbon emissions so utilities that invest in technologies to reduce carbon emissions will see their efforts rewarded. Such a move would not only reduce the risks associated with global warming, but also go a long way to restoring America’s green credentials.
What does the author suggest as a solution to the problem?
选项 A、The government should charge carbon emissions so as to encourage companies to adopt new technology.
B、The government should reward utilities that invest in technologies to reduce carbon emission.
C、The government should make long-time efforts to encourage people to plant more trees.
D、The government should pay for large-scale carbon emissions.
答案B
解析 细节题。根据文中最后一段“It is time for the US government，to put a price on carbon emissions so utilities that invest in technologies to redtice carbon emissions will see their efforts rewarded．”可知，美国政府是时候为碳排放进行定价了，而投资开发用于减少二氧化碳排放的科技的努力将会得到回报。因此B项正确。
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