变压器、电抗器带电前电流互感器备用二次端子应（）
参考答案：短接接地
—_____ do you have at home?
—I have only one. [ ]
A. How much laptop
B. How many laptop
C. How many laptops
D. How often laptops
下列整型常量中表示的是十六进制的整数的是（ ）。
A．0
B．1
C．2
D．3
do you have at home?