few creations of big technology capture the imagination like giant dams. perhaps it is human kinds long suffering at the mercy of flood and drought that makes the ideal of forcing the waters to do our bidding so fascinating. but to be fascinated is also， sometimes， to be blind. several giant dam projects threaten to do more harm than good.
the third sentence of paragraph 1 implies that .（转折）
[a]people would be happy if they shut their eyes to reality
the blind could be happier than the sighted
[c]over_excited people tend to neglect vital things
[d]fascination makes people lose their eyesight[1998年51题]
c[正确答案]
2.文中的转折
例
it is a remarkable record， stretching back over 70 years—yet the bbcs future is now in doubt.
the world famous bbc now faces .
[a]the problem of new coveragean uncertain prospect
[c]inquiries by the general public[d]shrinkage of audience[1996年55题]
