Question

2. [原文]① Few creations of big technology capture the imagination like giant dams.②Perhaps it is humankind’s long suffering at the mercy of flood and drought that makes the ideal of forcing the waters to do our bidding so fascinating.③But to be fascinated is also,sometimes,to be blind.④Several giant dam projects threaten to do more harm than good.

[问题]这段话的中心句是        

[方法总结]        

Answer 1

2.[答案]Several giant dam projects threaten to do more harm than good.

[方法总结]中心句在段尾。①引出话题"巨型水坝"。②解释修水坝的原因。③转折。?主旨句，意为"一些巨型水坝弊大于利"。