题目

若m＜n,p＜q,且(p-m)(p-n)＜0,(q-m)(q-n)＜0,则m,n,p,q从小到大的排列顺序是__________. 答案：解析:把p,q看成变量,则m＜p＜n,m＜q＜n. 答案:m＜p＜q＜n You know, ________ knowledge of ________computer is necessary to a secretary(秘书). 　 A．a; /　 B．the; the　 C．the; / D．a; a