现定义某种运算a⊕b=a（a＞b），若（x+2）⊕x2=x+2，那么x的取值范围

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问题选择题

现定义某种运算a⊕b=a（a＞b），若（x+2）⊕x²=x+2，那么x的取值范围是[ ]

A.-1＜x＜2

B.x＞2或x＜-1

C.x＞2

D.x＜-1

答案

答案：A

单项选择题

At the end of the closing process group，（）.

A．it is verified that the defined processes are completed within all the process groups to close the project phase

B．it is determined that the product of the project is completed satisfactorily

C．project management plan is written off by the project sponsor

D．new change requests are initiated as required

判断题

槽式反应器卸料后应先关闭反应器盖，再复位。