题目内容
As there is less coal and oil, scientists are exploring new ways of making use of _____ energy, such as sunlight, wind, and water for power and fuel.
A. primary B. alternative C. instant D. unique
B
【解析】
试题分析:考查形容词辨析 A. primary 初级的;B. alternative可供选择的;C. instant 立刻的;D. unique独特的;句意:因这几乎没有煤和油,科学家们正在探索更好的办法来利用可供选择的能源,如太阳能,风和风能来发电。根据句意选B项。
考点:考查形容词辨析
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