问题
As there is less and less coal and oil, scientists areexploring new ways of making use of______________energy, such as sunlight, wind and water for power and fuel.A．abrupt B．alternative C．authentic D．abstract B【解析】试题分析：考查形容词：
A:abrupt
B:alternative
C:authentic
D:abstract
B:alternative
C:authentic
D:abstract
正确答案是：
同类题型
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