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【单选题】
( )是建立在集成的、高速双向通信网络的基础上，通过先进的传感和测量技术、先进的设备技术、先进的控制方法以及先进的决策支持系统技术的应用，实现电网的可靠、安全、经济、高效、环境友好和使用安全的目标。A.
国家电网
B.
智能电网
C.
电网调度系统
D.
电力系统
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反馈参考答案：
举一反三
【简答题】看词语,写拼音。锁链( ) 败坏( ) 惩罚( ) 敬佩( )
【简答题】按色谱法的分离原理,常用的柱色谱可分为( )和( )两种。
【单选题】With a large tow astern，there is immediate danger to the tug in the event of the ______．
A.
Tug losing power
B.
Tow line parting
C.
Bridle twisting
D.
Tow broaching
【单选题】You are handling a mooring line and are instructed to Check the line. What should you do?
A.
Ensure the bight is not fouled by taking up slack.
B.
Pay out the line smartly and keep it free for running.
C.
Secure the line by adding more turns.
D.
Surge the line so it maintains a strain without parting.
【简答题】账户发生额试算平衡法是根据借贷记账法的______来确定的，而账户余额试算平衡法是根据______的平衡关系原理来确定的。
【单选题】When checking a mooring line，you should（）.
A.
ensure the bight is not fouled between the ship and the dock by taking up slack
B.
pay out slack smartly and keep free for running
C.
secure more turns to hold the line against any strain，then clear the area
D.
surge the line so that it maintains a strain without parting
【简答题】蚀孔孔径较( )。(填大或小)
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