产品的核心是物品的有用性，凡是影响产品货币价值的各种性能，都是产品的质量或者质量特征。()

A. dieters should eat more wonder food
B. wonder food is not a complete food at all
C. dieters can eat cream cakes if they want to
D. dieters should abandon their slimming courses and stuff their belly with food

A. Colorful Life on Campus
B. Intelligent Student Body
C. School Administration
Distinguished Faculty
E. Substantial Financial Support
F. The Harvard of the West