【单选题】Why has climate change become a major issue for both business and government?
A.
The body of scientific evidence is inconclusive.
B.
The solutions to the problems are unanimous.
C.
The weather patterns are becoming increasingly uniform.
D.
The change in climate patterns affects the entire planet.
E.
The effects are confined to national boundaries.
【单选题】Word2000中查找文件时,如果输入“*.doc”,表明要查找当前目录下的()。
【单选题】Why do Louisa’s parents sleep on the sofa?
A.
Because they give their bed to Katrina
B.
Because they can warm themselves by the gas fire
C.
Because they want to see Louisa get home safely after overnight work
【多选题】销售A产品一批,货款20 000元,增值税税额为2600元,收到客户开出的银行承兑汇票。
【判断题】销售一批产品收到银行承兑汇票,应借记其他货币资金。
【单选题】How will Mrs. Traynor often react when Louisa makes some stupid mistakes?
A.
She will shout at Louisa and punish her
B.
She will criticize Louisa severely and drive her away
C.
She will show her dissatisfaction with facial expressions and body languages.
【单选题】下面关于轨道电路极性交叉的说法不正确的是( )。
A.
极性交叉的目的是防止相邻轨道电路的绝缘节破损时,引起轨道继电器错误动作
B.
绝缘节两侧的轨道电路采用不同频率的信号,就是轨道电路的极性交叉
D.
“人工极性交叉”需要增加一对钢轨绝缘和两根连线
【单选题】下列词语中注音有错误的一项是
A.
静女其姝( shū) 踟蹰 ( chí chú )
D.
千乘( shèng) 之国 喟( kuì) 然
【简答题】什么是轨道电路的极叉?请你叙述一个不用封连钢轨绝缘就能检查极叉的检查方法?
【单选题】如图所示,RTA的G0/0/0和G0/0/1接口分别连接到两个不同的网段,RTA为这两个网 络的网关。主机A在发送数据给主机C之前,会先发送ARPrequest来获取()的MAC地 址。