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1.In the meantime,the question facing business is whether su

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1.In the meantime,the question facing business is whether such research is ______ the costs.
A.worth B.worth of C.worthy D.worthwhile
2.Fewer and fewer of today’s workers expect to spend their working lives in the same field ,_____the same company.
A.all else B.much worse C.less likely D.let alone
1.A worth be worth doing sth 或 be worth + n.
worthy be worthy of doing 或 be worthy of + n.或 be worthy to do
worthwhile be worthwhile doing 或 be worthwhile to do