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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. 根据逻辑应该是try to recover而不是try和recover两个并列。
C. Trying to recover uranium out of seawater主语过长，应该用形式主语it代替更好，而且recover A from B 为固定搭配。
D. To try for错误，其他错误同B。
E. 不是Recovering uranium from seawater 是值得试图去做的，而是 Trying to recover uranium out of seawater是值得做的
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