下面关于SRAM、DRAM存储器芯片的叙述中，正确的是：A． SRAM和DRAM都是

梦境出现在睡眠的（）阶段。

A.初期

B.中期

C.晚期

D.快速眼动

在职业活动中，有的从业人员将享乐与劳动、奉献、创造对立起来，甚至为了追求个人享乐，不惜损害他人和社会利益。这些人所持的理念属于

A.极端个人主义的价值观

B.拜金主义的价值观

C.享乐主义的价值观

D.小团体主义的价值观

You are the project manager of Alpha Network Inc. Your company is doing network planning for a major bank. You are planning to digram the activity dependancies using activity list. Which of the following is true ？（）

A．PDM is also the AOA diagramming method.

B．PDM is also the AOD digramming method.

C．PDM is also AON digramming method.

D．PDM is also ADM diagramming method.

一般火灾的发生必须具备三个条件，即可（）、（）、和一定的温度。