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【题目】As there is less and 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.primaryB.alternativeC.instantD.unique

【答案】B

【解析】

考查形容词词义辨析。句意:由于煤和石油越来越少,科学家们正在探索利用可替代能源的新方法,如太阳能、风能和水作为能源和燃料。A. primary首要的, 初期的;B. alternative可选择的, 可替代的;C. instant立即的, 迅速的;D. unique独特的。根据“As there is less and less coal and oil”可知,石油和煤都越来越少,只好使用一些其它可替代这些燃料的东西。故选B

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