一台ETN设备可以提供最多（）个2M接入设备。
A.1
B.2
C.4
D.8
参考答案：D
Could you please tell me ______?[ ]
A. how could I get to the airport
B. how could I get to the airport
C. how can I get to the airport
D. how I can get to the airport
纪念性园林中常用（）的手法，来突出主体。
A.中轴对称
B.加大体量
C.加大色彩亮度
D.主景升高
