腓力二世
You are developing an application to assist the user in conducting electronic surveys.The survey consists of 25 true-or-false questions.You need to perform the following tasks: Initialize each answer to true.Minimize the amount of memory used by each survey. Which storage option should you choose?() BitVector32 answers = new BitVector32(1);。 BitVector32 answers = new BitVector32(-1);。 BitArray answers = new BitArray (1);。 BitArray answers = new BitArray(-1);。
简述计算机中信息组织的层次结构。
市场失灵
企业的劳动资料,其单位价值低于规定标准,即使属于主要设备,也不应列为固定资产。
外墙内保温冬天室内的墙体温度与室内墙角(保温墙体与不保温板交角处)温度差约在()℃左右。