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题库 / GMATAdvanced-SC-3
It may someday be worthwhile to try to recover uranium from seawater, but at present this process is prohibitively expensive.
It may someday be worthwhile to try to recover uranium from seawater
Someday, it may be worthwhile to try and recover uranium from seawater
Trying to recover uranium out of seawater may someday be worthwhile
To try for the recovery of uranium out of seawater may someday be worthwhile
Recovering uranium from seawater may be worthwhile to try to do someday
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B 前面说是试着发现U，这里变成了试U并且发现U，意思变了
C 应该是recover from 不是recover out of
D try for discovery 冗余
E recovering 和 try to do的to do重复
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