对商圈测定进行定量分析所采用的法则叫( )。
A．零售半径法则
B．销售距离法则
C．零售引力法则
D．商圈引力法则
参考答案：C
---Morning, class. Is _________ here?
---No, sir. Tom is absent. [ ]
A. anybody
B. everybody
C. nobody
D. somebody
—What happened to him?
—He was murder last week.
A．guilty of
B．guilty with
C．arrested with
D．charged of
