题目

A report by the Chinese Academy of Social Science said _______among new graduates grew to over 12 percent last year at 1.5 million because of the global economic crisis. A．disagreement B．enlargement C．unemployment D．encouragement 答案：C2．根据如图所示的程序，当输入的x值为-2时，则输出的内容为（　　） A．y=4B．4C．y=-4D．-4