如果a÷b=7…3,把a和b同时乘100后,商不变,余数是300.______.
100a÷100b=7…300;
故答案为:√.
— You seem to know much about the city.
— That’s true. I_____ it five times in the past two months.[ ]
A. visited
B. am visiting
C. have visited
D. will visit
市场机制的功能主要是()。
A、资源配置功能
B、平衡功能
C、分配功能
D、确定产品价值功能