【题目】 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
在线课程【答案】B
【解析】alternative energy,替代性能源。
编辑:chaxungu时间:2026-04-27 02:51:05分类:高中英语题库
【题目】 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
在线课程【答案】B
【解析】alternative energy,替代性能源。