Fossil fuels are and will be still ______ for at least the next two-three decades at relatively low costs.
2023-05-26
A.productive
B.convenient
C.renewable
D.available
参考答案:D
B.convenient
C.renewable
D.available
参考答案:D
题目意为“化石燃料至少在未来二、三十年的时间内仍将以相对较低的成本获得。”选项A意为“生产的”,选项B意为“方便的”,选项C意为“可再生的”,选项D意为“可使用的”,根据题意。
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