()认为顾客最喜欢那些质量最高、性能最好、特色最多的产品。生产者重点开发优良产品并加以改进。
参考答案:产品观念
John likes walking in the open air on weekends, _______. [ ]
A. so does Tom
B. also does Tom
C. Tom likes also
D. so Tom does
能测知宗气盛衰的部位是(),能主司寤寐的气是()