There are ways researchers can reduce the amount of carbon they use.Some helicopters use less fuel than others.Solar and wind power are alternatives to gasfired generators.And while carbon offsets(抵消)don't reduce the amount of carbon emitted,they are an easy first step.
“There aren't necessarily any easy answers,but we need to start talking about it,”says Brook.“This is particularly important for the next generation of scientists being trained and I hope to see them become leaders in this issue.”
[解题导语] 本文提醒研究北极的科学家也要注意自己的研究工作对气候变化的影响,建议他们也要考虑减少碳排放量的方法。
1.The underlined word “It” in Para.2 refers to ________.
A.the research of climate change on the Arctic
B.the study of the health of caribous
C.the impact of working in polar regions
D.the reduction of polar scientists' carbon emissions
解析:猜测词义题。根据The importance of the research is not at question here.It is important to our understanding of and adapting to climate change.
(这项研究的重要性不言而喻。它对我们理解并适应气候变化很重要)可知It指对北极气候变化的研究工作。
答案:A
2.What did Brook find when he calculated his own carbon footprints?
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