下列疾病所致的腹泻不属于泌性腹泻的是（）
A.慢性肠炎
B.胃泌素瘤
C.肠易激综合征
D.霍乱
E.血管活性肽瘤
参考答案：C
Had I known about this computer program, a huge amount of time and energy _____. [ ]
A. would have been saved
B. had been saved
C. will be saved
D. was saved
下列叙述中正确的是
A．对长度为n的有序链表进行查找，最坏情况下需要比较的次数为n
B．对长度为n的有序链表进行对分查找，最坏情况下需要比较的次数为n/2
C．对长度为n的有序链表进行对分查找，最坏情况下需要比较的次数为log2n
D．对长度为n的有序链表进行对分查找，最坏情况下需要比较的次数为nlog2n
