计算机房的安全分为（）类、（）类、（）类三个基本类别。
参考答案：A；B；C
According to the passage, what is the major interest of the officials of Glacier National Park a. To limit land development around the park. b. To establish a new park in Montana. c. To influence national legislation. d. To settle border disputes with Canada.
資金を集めるため、ほんそうする。
A．爽走
B．奏走
C．奮走
D．奔走
