A.2% B.﹣2% C.﹣40% D.﹣67%
A.3% B.60% C.37.5% D.﹣3%
A.知識密集型行業(yè) B.勞動密集型行業(yè) C.技術(shù)密集型行業(yè) D.資本密集型行業(yè)