[单选题] One advantage of space-based solar power system is that it is economical. ( ) 查看材料
ARight
BWrong
CNot mentioned
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参考答案
试题答案:
B
答案解释:
[解析]本题给出的信息是错误的。文章第四段提到“But space-based solar power must grapple(努力克服)with the high COSt per kilogram of launching things into space.”但在太空的太阳能工厂必须努力克服的问题是:每向太空发射1千克的物品都要付出高昂代价,即成本高的问题。答案为B。