【阅读判断】Energy beamed down from space is one step closer to reality, now that California has given the green light to an agreement that would see the Pacific Gas and Electric Company buy 200 megawatt (兆瓦) of power beamed down from solar-power satellites beginning in 2016. But some major challenges will have to be overcome if the technology is to be used widely.
Q: Solar-power satellites will use radio waves to beam energy down from space.
A.True B.False C.Not Given正确答案A
