利息与本金的比值叫利率．______．
由分析可知：利息与本金的比值叫利率，说法正确；
故答案为：√．
As a student, you _____ spend so much time playing computer games, which is a waste of time. [ ]
A. may not
B. mustn't
C. needn't
D. won't
打开数据访问页的设计视图时，系统会同时打开 【11】 。
