（）has the highest energy content of all known conventional fuels（by weight）.It has almost 3 times more energy content by mass than（）.
（）has the highest energy content of all known conventional fuels（by weight）.It has almost 3 times more energy content by mass than（）.
A.Oxygen， fossil fuels
B.Hydrogen， oil
C.Oxygen， gasoline
D.Hydrogen， gasoline
正确答案：Hydrogen， gasoline
Tag：能源英语面面观
时间：2023-12-21 15:06:29