一、现代设计产生的社会历史条件 历史背景:18世纪末一-19世纪中叶,从英国扩大到欧洲各国的工业革命

Learning Objectives Discuss the history of taxation Differentiate between three types of tax rate structures Describe the various types of taxes Discuss what constitutes“good” tax structure Describe the tax entities in the federal income tax system

Objectives When the learners finish learning this unit, they should be able to express attitudes and feelings describe career and experience

1. Interpret the geologic history of the Grand Canyon using the diagram below. List the events in order from the oldest (at the bottom of the page) to the youngest(at the top of the page). For each event describe the principle or observation you used

一、两性生殖 Bisexual reproduction Eggs usually begin meiosis(减数分裂) only after fertilization. The meiosis of sperms have stopped before the fertilization

1. What is Plant Heterosis? p. 117 2. Discovery and History of Heterosis Animals Horse x donkey, 1400 years ago, China

Adult: the last stage of insects, ontogeny. 成虫昆虫个体发育中的最后一个虫态

北京大学：《马克思主义哲学史 History of Marxist Philosophy》课程教学资源（电子教案）第六章 20世纪上半叶马克思主义哲学在中国的传播和发展

Objective To provide an overview of the importance of textiles in world history and in the United States (and Chinese) economy. 2. To describe the primary textile markets. Key Words:

11.1 Finding someone a job (1)Grammar Complete this list of irregular verbs. Present Past simple Present Past simple