土栖白蚁活动非常隐蔽，其（）不易发现。

A、巢穴

B、洞穴

C、活动

D、轨迹

You are the network administrator for You administer a Windows Server 2003 computer named TestKing5. The hardware vendor for TestKing5 notifies you that a critical hotfix is available. This hotfix is required for all models of this computer that have a certain network interface card. You need to find out if the network interface card that requires the hotfix is installed in TestKing5. What are two possible ways to achieve this goal? (Each correct answer presents a complete solution. Choose two.)（）

Open Network Connections, and then examine the properties of each connection that is listed.

Open the Component Services snap-in, expand Computers, expand My Computer, and then examine the list.

Run the netsh interface command, and then examine the list.

Open Device Manager, expand Network adapters, and then examine the list.

踩夹形如鼠夹，比鼠夹大，是（）的好工具。

A、捕鼠

B、捕狐

C、捕捉

D、捕獾

阶梯开挖法适用于建筑物的基础、河道以及渠道的土方（）施工。

A、填筑

B、开挖

C、回填

D、碾压

接触网抢修要遵循“（）”的基本原则。

A、预防为主

B、安全第一

C、先通后复

D、先通一线

作业中检修作业车的移动应听从作业平台上（）的指挥。

A、工作领导人

B、安全员

C、操作人员

D、工作台上人员