县（县级市）的城市居民最低生活保障标准由谁制定？
参考答案：
由县（县级市）人民政府民政部门会同财政、统计、物价等部门制定。
Last year the number of students who graduated with a driving license reached 200,000, a (n) _____ of 40,000
per year. [ ]
A. average
B. number
C. amount
D. quantity
I tried in vain to persuade him to give up that idea.
