International consultants who want to secure definite projects at 【lucrative】 fees are finding it harder and harder.
A、luxurious
B、lubricative
C、penetrative
D、profitable
【正确答案】:D
【题目解析】:lucrative 意为“有利可图的”;luxurious奢侈的;lubricative润滑作用的;penetrative渗透的;profitable有利可图的;故选D。