Needs -通常是指对人类基本生存条件的满足期望 . i.e.比如人们需要食物、衣着、蔽护所、安全等。 Wants -指满足具体效用的期望. i.e.比如可口可乐、汉堡包、皮鞋、到欧洲旅游等。 . Demands -指满足具有购买能力和购买欲望的现实和潜 在的愿望 . i.e.花费两个月的工资去买一件时装，动用多年 的储蓄购买一套住房等

6.1 可编程并行I/O接口8255A 6.2 串行通信和串行I/O接口 6.3 可编程串行I/O接口8251A

#include void sort(int vI, int n) int i, array[ 10]; printf\请输入10个整型数:\) for(i=0;1<10i+) scanf(%d\, &array li) printf(\所输入的10个数是:mn\)

1、原函数 如果在区间I 内，可导函数F( x) 的导函数为 f ( x) ， 即 x  I ， 都 有 F(x) = f (x) 或 dF( x) = f ( x)dx，那么函数F( x) 就称为 f ( x)或 f ( x)dx在区间I 内原函数

7.1 I/O系统硬件 7.2 I/O软件 7.3 磁盘调度 7.4 系统举例

#include void maino a[10] for(i=0;i<10,i++) /产生一个有序的数组*

Flying there is not half the fun I. Basic listening Practice I Script M: would you prefer a window or an aisle seat, madam? W: Aisle, please. If there's none left, then a wind. w seat is Ok. But I don't like middle seats。 Q: what is the order of the womans preference? C: aisle-wingdow-minddle

 空间拓扑关系的描述 – 四元交模型（4I模型） – 九元交模型（9I模型） – 基于Voronoi图的九元交模型（V9I模型）  空间拓扑关系的表达  空间拓扑关系的计算与查询  时空拓扑关系及其应用  空间方向关系的描述

The top 5 investor questions How much will i need to invest? How much will i get back? When will i get my money back? How much is this going to cost me? How are you handling risk uncertainty?

cturea Part I Structure and Vocabulary Section A Directions: Beneath each of the following sentences, there are four choices marked A, B, C and D)Choose the one that best completes the sentence. Mark your answer on the ANSWER SHEET. (5 points) 1. Mr. Jones, I am really pleased you And I hope we will be able to see each other in not long time