不喜欢吃蔬菜、水果的人易患()
A.脚气病
B.夜盲症
C.坏血病
D.佝偻病
参考答案:C
She's read the book, _______?[ ]
A. isn't she
B. doesn't she
C. hasn't she
D. wasn't she
()是根据价值主张中的特定绩效准则,评估顾客的满意程度。
A.市场占有率
B.顾客延续率
C.顾客争取率
D.顾客满意度