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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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? C: out of 不对结合第2句。
this process [Trying to recover ] is expensive
Intended meaning:
this process [recovering ..[ is expensive.
在A里 It [to recover...] is worthwhile to try
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