[多项选择]Which two messages can carry the TSPEC from client to the AP?() A. probe request B. association request C. authentication request D. reassociation request
第32题: [单项选择]冒泡排序在最坏情况下的比较次数是 A. n(n+1)/2 B. nlog2n C. n(n-1)/2 D. n/2 参考答案:C 答案解析:[解析] 冒泡排序的基本思想是对当前未排序的全部结点自上而下地依次进行比较和调整,让键值较大的结点下沉,键值较小的结点往上冒。也就是说,每当比较两个相邻结点后发现它们的排列与排序要求相反,就要将它们互
第34题: [单项选择]According to the author, which of the following is most likely studied nowadays by psychologists A. Why do we smile when pleased B. Why do we love our children C. How do we appreciates beautiful D. How do we reason and process information 参考答案:D 答案解析:第二段告诉读者:心理学家最关注人类那些非天赋的、本能的能力以及最不擅长做的事情,所以正确答案是D(我们如何推理和加工信息)。A,B和C都是与我们的天赋和本能有关的。