黄皮书P111页,第2题Because many of the minerals found on the ocean floor are still _____ on land, where mining is relatively inexpensive, mining the ocean floor has yet to become a _____ enterprise.
(A) scarce...common
(B) accessible...marginal
(C) unidentified...subsidized
(D) conserved...public
(E) plentiful...profitable
答案是E。既然on land有丰富的minerals,而且在land上开采相对便宜,为啥去ocean floor开采变成有利可图的了?作者: SRYSprite 时间: 2011-6-1 23:03:39
have yet to do表示期待但未实现吧,所以意思应该是现在海底挖矿还不有利可图作者: szmanutd 时间: 2011-6-3 15:07:30
海底油量大,海底钻油很便宜,有利可图
cacaotree 发表于 2011-6-2 01:27
作者: 泰熙熙 时间: 2011-6-3 17:36:07
on land 和on the ocean floor 是相对的。
因为矿藏on land 还有很多,而且on land的挖掘成本也比较便宜,所以 on the ocean floor还有待于成为一个赚钱的事业。
我的理解~作者: Fishinthetank 时间: 2015-4-6 15:35:21
楼主解题思路的瓶颈在于对have yet to的错误理解。have yet to 的英文释义是:
Have yet to is defined as an activity, task, event or circumstance which has not occurred or which has not been done.也就是说have yet to在本句里可以理解为have not to,所以应该选E,第二空为profitable.作者: goodfriend007 时间: 2015-4-6 19:35:25