Within the next decade, sophisticated telescopes now orbiting the Earth will determine whether the continents really are moving, forestalling the incipient rift among geologists about the validity of the theory of continental drift.
这个答案,rift当然是对的,但是forestalling我怎么看怎么觉得有问题。
看Webster的解释:
Forestall
1 : to prevent the normal trading in by buying or diverting goods or by persuading persons to raise prices
2 archaic : INTERCEPT
3 obsolete : OBSTRUCT, BESET
4 : to exclude, hinder, or prevent by prior occupation or measures
5 : to get ahead of : ANTICIPATE
synonyms see PREVENT
我觉得这里forestalling the incipient rift among geologists about the validity of the theory of continental drift没有问题啊
forestalling 预先阻止初期的争论
forstalling后面的incipient就可以说明该词的合理性。