Refer to the exhibit.A new subnet with 60 hosts has been added to the network.Which subnet address should this network use to provide enough usable addresses while wasting the fewest addresses?（） ["192.168.1.56\/27","192.168.1.64\/26","192.168.1.64\/27","192.168.1.56\/26"]
环境卫生包括（），（），和（）卫生等。
下列哪一种肉属白色肉（）。 ["牛肉","鸭肉","鸡肉","猪肉"]
下列单板中哪块单板没有MON口？（） ["WBA","TWC","M32","D16"]
风险和收益存在着一定的同向变动关系，风险越高，收益也就越高。（）
概率分析
