为了保证燃气管网的安全与操作方便，地下燃气管道的阀门一娜设置在()。

If a boy or a girl has grown up in a home with sharing tasks and decisions，he or she will probably______.

已知A=40；B=30；C=100；D=50，逻辑“与”运算符为and，“或”运算符为or，“非”运算符为not。计算表达式（A>B+20）or（B+60<>

Shutdown price（or point，or rule） 停业价格（或停业点、停业原则）

试说明OR DX，-35[BX][DI]指令中源操作数和目的操作数使用的寻址方式。

Duty is an act or a course of action that people __________you to take by social customs, law or religion.

Duty is an act or a course of action that people ______you to take by social customs, law or religion.

Project ______is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

It will be a relief over the death of a friend or a relative if the friend or relative dies from ______.

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。