阅读理解常考题型:(一) 1、识别中心论点。 在阅读理解中,考生经常会遇到下列形式的问 题: Which of the following best expresses the main idea? The title that best expresses the idea of the passage... The author's main purpose in writing this passage is... Which of the following best states the theme of the passage? What's the main idea of the passage?

Ch. 24 Johansen's mle for Cointegration We have so far considered only single-equation estimation and testing for cointe- gration. While the estimation of single equation is convenient and often consis- tent, for some purpose only estimation of a system provides sufficient information This is true, for example, when we consider the estimation of multiple cointe- grating vectors, and inference about the number of such vectors. This chapter examines methods of finding the cointegrating rank and derive the asymptotic

3.1导数的概念 一、引例 1变速直线运动的瞬时速度 匀速直线运动的(瞬时)速度设作变速直线运动的质点P(运动轨迹为s=s(t)从to时刻到to+△t时刻,动点P在△t这段时间内经过的路程为

§2-1 Newton’s Laws Force Inertial Reference Frame 牛顿定律 力的概念 惯性参考系 §2-2 General Properties of Forces in Mechanics 力的基本性质 §2-4 Fundamental Quantities and Units Dimensions ﹡基本量和力学单位制 量纲 §2-5 Applying Newton’s Law of Motion 牛顿定律应用 §2-3 The Fundamental Forces of Nature ﹡ 四种基本力

Section I Use of English Directions: Read the following text. Choose the best word(s)for each numbered blank and mark [a],, [C] or [D] on ANSwER SHEET 1.(10 points) The homeless make up a growing percentage of America's population homelessness has reached such

字符串(String) 字符串是n(≥0)个字符的有限序列, 记作S:“C123…n 其中,S是串名字 “C2C3是串值 c是串中字符 n是串的长度

一、全通函数 全通：幅度特性为常数。对所有频率的正弦信号按相同的幅度传输系数通过。 全通函数的特征：极点位于s左半平面。零、极点关于jw轴镜像对称

§9-1 压杆稳定的概念 (The basic concepts of columns) §9-3 其它支座条件下细长压杆的临界压力 (Euler’s Formula for other end conditions ) §9-2 两端铰支细长压杆的临界压力 (The Critical Load for a straight, uniform, axially loaded, pin-ended columns) §9-4 欧拉公式的应用范围•经验公式 (Applicable range for Euler’s formula • the experimental formula ) §9-5 压杆的稳定校核 (Check the stability of columns) §9-6 提高压杆稳定性的措施 (The measures to enhance the columns stability)

7-1应力状态概述 (Concepts of stress-state) 7-2平面应力状态分析-解析法 (Analysis of plane stress-state) 7-3平面应力状态分析-图解法 (Analysis of plane stress-state) 7-4三向应力状态分析 7-5平面应变状态分析 (Analysis of plane strain-state) 7-6广义胡克定律 (Generalized Hook's law) 7-7复杂应力状态的变形比能 (Strain-energy density in general stress-state 7-8强度理论(Failure criteria) 7-9莫尔强度理论 (Mohr's failure criterion)

一、填空题(每空1分,共20分) 1 称为空串; 称为空白串。 2.设S=“A;document/mary.doc”,则 strlen(s)= ,“的字符定位的位置 为