题目内容
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.
![](http://thumb2018.1010pic.com/pic1/img/20090716/20090716145413001.jpg)
B.
![](http://thumb2018.1010pic.com/pic1/img/20090716/20090716145422001.jpg)
![](http://thumb2018.1010pic.com/images/loading.gif)
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题目内容
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.
B.