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A.提高產(chǎn)品價(jià)格 
B.提高產(chǎn)品質(zhì)量 
C.提高產(chǎn)品性能 
D.完善售后服務(wù) 
E.增加購買便利性

A.商品經(jīng)濟(jì)是發(fā)達(dá)的市場經(jīng)濟(jì) 
B.市場經(jīng)濟(jì)是商品經(jīng)濟(jì)發(fā)展的必然要求 
C.商品經(jīng)濟(jì)是相對(duì)于自然經(jīng)濟(jì)而言的 
D.市場經(jīng)濟(jì)是商品經(jīng)濟(jì)存在和發(fā)展的前提 
E.市場經(jīng)濟(jì)是商品經(jīng)濟(jì)存在和發(fā)展的基礎(chǔ)