服务与产品的区别表现在哪些方面?
参考答案:
1、服务是无形的。
2、服务与消费同时进行。
3、服务容易消失而不能储存。
4、服务可能会因顾客的需求而出现微小的变化。
下列哪些良性肿瘤易恶变()
A.结肠 * * 状腺瘤
B.卵巢 * * 状浆液性囊腺瘤
C.皮肤 * * 状瘤
D.膀胱 * * 状瘤
E.脂肪瘤
A square countertop has a square tile inlay in the center, leaving an untiled strip of uniform width around the tile. If the ratio of the tiled area to the untiled area is 25 to 39, which of the following could be the width, in inches, of tile strip Ⅰ.1 Ⅱ.3 Ⅲ.4
A.Ⅰ only
B.Ⅱ only
C.Ⅰ and Ⅱ only
D.Ⅰ and Ⅲ only
E.(E) Ⅰ, Ⅱ, and Ⅲ