4-1刚体静力学 4-2平面机构的静力分析 4-3机械中空间力系分析

2-1点的运动 2-2刚体的基本运动 2-3点的合成运动 2-4刚体平面运动

一、了解强度理论; 二、熟悉二向应力状态分析; 三、掌握拉弯、弯扭组合变形

Background About the author: Floyd Dell (1887- 1969), U.S. versatile and prolific writer and an editor for several newspapers and magazines

Type of the text This is a short piece of narrative writing about an unforgettable Winter Millions have gone through winters over and over again but few have experienced a winter as is described in'the passage. a

Background knowledge The author William Plomer(1903-1973), South African writer born of English parents. His works include novels, short stories poems and biographies, but he is best known for his short Stories

1. Introduction 2. Pre-reading questions 3. Writing skills 4. Language points 5. Discussion 6. Homework

Unit 1 1. The delegation has already arrived, but I didnt know it until this morning A.willcomeB.hadbeencomingC.wascomingD.comes

Text Comprehension L. Decide whether the following statements are true or false according to the texts you have learned

词汇选择题 1. It is apparent that new energy sources will be required to keep up the societies of the world in the future