Despite the scandals over leaked e-mails, the scientific evidence for global warming remains strong. The question, then, is to w

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问题     Despite the scandals over leaked e-mails, the scientific evidence for global warming remains strong. The question, then, is to what【C1】______have the controversies eroded (削弱) the public’s trust in climate science or, worse, in the scientists themselves?
    There has【C2】______been some decline.【C3】______. a closer look at the data across multiple polls shows that, broadly speaking, the public trusts scientists, believes in global warming and wants governments to do something about it. The public seems to have done what the mainstream media could not: it has kept the scandals in【C4】______. The harsh verbal attacks【C5】______climate science and scientists are actually coming from a【C6】______handful of critics, and they do not【C7】______a broader revival of skepticism.
    Yet few climate scientists are likely to take【C8】______in this news. For them, the real【C9】______of public trust is the level of political【C10】______on global warming: if people truly believe the science,【C11】______why have so few of them demanded action of their governments? The problem is that people assess information from any number of【C12】______. not just scientists. And people make decisions on the【C13】______of self-interest and their own hopes, fears and values, which will not necessarily【C14】______what many researchers deem self-evident.
    The scientific community must recognize that the【C15】______surrounding climate change can produce responses in the public and politicians on many different levels. Facts【C16】______matter. Scientists must continue to engage the public in plain language,【C17】______the evidence for climate change in a clear and【C18】______way. And they must provide policy-makers with accurate, credible and【C19】______information. Scientists will be only as persuasive as they are trusted, which means that cultivating the public’s trust must be the scientific community’s top【C20】______.
【C13】

选项 A、basis
B、threshold
C、spur
D、point

答案A

解析 语义衔接题。on the basis of表示“按照,基于”;on the threshold of表示“入门:起点”;spur与on和of连用时常构成on the spur of the moment,表示“一时冲动之下”;on the point of表示“马上要……”。结合语境,此处应该是说人们依据自我利益以及自身的希望、恐惧和价值观做决定,故答案为[A]basis.其他三项均不符合语境,故排除。
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