The 【emergence】 of new products in the gtobal navigation market is growing so fast that today's $100 CD-ROM navigation package will be out of date in six months,
A.efficiency B.appearance C.exercise D.arrangement正确答案B
The 【emergence】 of new products in the gtobal navigation market is growing so fast that today's $100 CD-ROM navigation package will be out of date in six months,
A.efficiency B.appearance C.exercise D.arrangement正确答案B
