6. As there is less and less coal and oil, scientists are exploring new ways of
题型:不详难度:来源:
6. 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.primary | B.alternative | C.instant | D.unique |
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答案
B |
解析
Primary初等的;最初的;alternative可供替代的,可选择的;instant 立即的,即刻的; unique 单独一无二的,由常识可知,阳光、风力及水力都是不可能替代能源。 |
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