单项选择题

能显示教师真实灵魂和自我主宰精神的师德修养方式是（） A.
内省 B.
从善如流 C.
慎独 D.
反思

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单项选择题

如图所示，配置了路由器相关接口网络协议地址，同时管理状态、物理状态和链路协议均为打开或启动状态（UP）时，路由器Router1和路由器Router2自动生成的路由表分别为：
A、路由器Router1：
C    192.168.1.0/24 is directly connected, FastEthernet0/0
C    192.168.2.0/24 is directly connected, FastEthernet0/1
路由器Router2：
C    192.168.2.0/24 is directly connected, FastEthernet0/1
C    192.168.3.0/24 is directly connected, FastEthernet0/0
B、路由器Router1：
C    192.168.2.0/24 is directly connected, FastEthernet0/1
C    192.168.3.0/24 is directly connected, FastEthernet0/0
路由器Router2：
C    192.168.1.0/24 is directly connected, FastEthernet0/0
C    192.168.2.0/24 is directly connected, FastEthernet0/1
C、路由器Router1：
C    192.168.1.0/24 is directly connected, FastEthernet0/1
C    192.168.2.0/24 is directly connected, FastEthernet0/0
路由器Router2：
C    192.168.2.0/24 is directly connected, FastEthernet0/0
C    192.168.3.0/24 is directly connected, FastEthernet0/1
D、路由器Router1：
C    192.168.2.0/24 is directly connected, FastEthernet0/0
C    192.168.3.0/24 is directly connected, FastEthernet0/1
路由器Router2：
C    192.168.1.0/24 is directly connected, FastEthernet0/1
C    192.168.2.0/24 is directly connected, FastEthernet0/0

单项选择题

A refrigerator has 18.0 kJ of work done on it while 115 kJ of energy is transferred from inside its interior. What is its coefficient of performance? ()

A．3.40
B．2.80
C．8.90
D．6.40
E．5.20