Under what condition are you allowed to depart from the rules of the road（）.
You define the following regular expression of currency values:
regex tx = new regex("^-?\d+(\.\d{2})?$")
You are required to write code that will be used to find whether a string in the variable named Bill matches the regular expression or not. You are also required to use this code as the expression in a conditional statement and need to know which code segment to use.
What should you do?（）
It is the ability to do the job ______ matters not where you come from or what you are.
在《国际海上避碰规则》适用的水域内，下列哪种船舶需执行《国际海上避碰规则》？（）
Ⅰ、失去控制的船舶
Ⅱ、执行任务中的缉私艇
Ⅲ、搁浅的船舶
在《国际海上避碰规则》适用的水域内，下列哪种船舶无需执行《国际海上避碰规则》？（）
Ⅰ、在海面以下潜航的潜水艇
Ⅱ、战争发生时的军舰
Ⅲ、搁浅的船舶
在《国际海上避碰规则》适用的水域内，下列哪种船舶需执行《国际海上避碰规则》？（）
Ⅰ、政府公务船
Ⅱ、军舰
Ⅲ、渔船
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