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  3. The terms "global warming" and "climate change" are used by many, seemingly interchangeably. But do they really mean the same th

The terms "global warming" and "climate change" are used by many, seemingly interchangeably. But do they really mean the same th

admin2021-01-06  26
问题    The terms "global warming" and "climate change" are used by many, seemingly interchangeably. But do they really mean the same thing?
   Scientists shaped the history of the terms while attempting to accurately describe how humans continue to alter the planet. Later, political strategists adopted the terms to influence public opinion.
   In 1975, geochemist Wallace Broecker introduced the term "climate change" in an article published by Science. In 1979, a National Academy of Sciences report used the term "global wanning" to define increases in the Earth’s average surface temperature, while "climate change" more broadly referred to the numerous effects of this increase, such as sea-level rise and ocean acidification (酸化).
   During the following decades, some industrialists and politicians launched a campaign to sow doubt in the minds of the American public about the ability of fossil-fuel use, deforestation and other human activities to influence the planet’s climate.
   Word use played a critical role in developing that doubt. For example, the language and polls expert Frank Luntz wrote a memo encouraging the use of "climate change" because the phrase sounded less scary than "global warming," reported the Guardian.
   However, Luntz’s recommendation wasn’t necessary. A Google Ngram Viewer chart shows that by 1993 climate change was already more commonly used in books than global warming. By the end of the next decade both words were used more frequently, and climate change was used nearly twice as often as global warming.
   NASA used the term "climate change" because it more accurately reflects the wide range of changes to the planet caused by increasing amounts of greenhouse gases in the atmosphere.
   The debate isn’t new. A century ago, chemist Svante Arrhenius started one of the first debates over the potential for humans to influence the planet’s climate. Arrhenius calculated the capability of carbon dioxide to trap heat in the Earth’s atmosphere, but other chemists disagreed. Some argued that humans weren’t producing enough greenhouse gases, while others claimed the effects would be tiny. Now, of course, we know that whatever you call it, human behavior is warming the planet, with grave consequences ahead.
What did industrialists of the late 20th century resort to in order to mislead Americans?
选项 A、Made-up survey results.
B、Hired climate experts.
C、False research findings.
D、Deliberate choice of words.
答案D
解析 推理判断题。文章第四段指出，一些工业家和政治家发起了一场运动，使美国公众的心里对化石燃料的使用、滥伐森林以及其他人类活动影响地球气候的能力产生怀疑。第五段第一句点明，措辞的使用在推动那一质疑的过程中起到了关键的作用。第二旬举例说明，“气候变化”这一说法听起来没有“全球变暖”那么可怕。由此可见，工业家们对文字的蓄意选择可以起到误导民众的作用，故答案为D)。
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