源程序中的每个变量有两种重要的属性，一是在数据区给它们分配的存储单元地址，二是在目标程序运行时存放在相应单元中的值。()

未分类题It can be inferred from the second paragraph thatA．Google's new service is going to be a smashing success.B．people are helplessly obsessed with the Digitalized Dante.C．opinions vary towards free downloading of online books.D．people embrace the idea of making books online for free download.

判断题邻接矩阵适用于有向图和无向图的存储，但不能存储带权的有向图和无向图，而只能使用邻接表存储形式来存储它。()

未分类题PricewaterhouseCoopers and Google Games incorporate Lego workshops into their recruitments mainly toA．check whether the candidates get the required operation skills.B．test whether the candidates are innovative and funny.C．advertise themselves as well as get the most talented recruits.D．attract the candidates with their creative and easy working atmosphere.

判断题倒排文件与多重表文件的次关键字索引结构是不同的。()

未分类题It is suggested in the last paragraph that the goal of MIMA isA．to make big profits.B．to have single themes with big appeal.C．to bring profits to the whole town.D．to draw as many as 110,000 visitors a year.