默认打印机设置成功后会在原图标上出现（）
A.√
B.×
C.？
D.！
参考答案：A
下列哪项不属于国内Wlan网络运营商一般的商业运营模式（）
A.租金模式
B.流量计费模式
C.包月计费模式
D.完全免费
() that a society like the National Society for the Prevention of Cruelty to Children is still needed in a civilized country
A. How does it come
B. How it comes
C. How did it come about
D. How did it come
