Unit 2 新视野大学英语第五册第二课.doc

Unit 2 新视野大学英语第五册第二课Preview??? What is the significance of human life? The three essays in this unit may offer you some answers. Passage A probes into the right attitudes towards a long lifespan, an eternal pursuit by mortal beings for ages. Passage B dwells on human gene therapies, a controversial issue on medical ethics in todays society. Passage C is about the role of youth in society and their involvement in decision-making. We hope the three essays may help you form a right attitude towards life and a thorough understanding of lifes significance. Pre-reading Activities Do We Really Want Eternal Life? 课文讲解 Do We Really Want Eternal Life? 课文生词短语(words,Phrases and Expressions) Do We Really Want Eternal Life? 课文生词讲解( new words study) Do We Really Want Eternal Life? 课文学习重点讲解(Language Points) Do We Really Want Eternal Life? 背景知识(background info) 我们真的想长寿吗？ Do We Really Want Eternal Life? 课文结构分析(text structure analysis) Scientists on the Threshold of Altering Our Descendants 课文讲解 Scientists on the Threshold of Altering Our Descendants 课文生词短语(words,Phrases and Expressions) Scientists on the Threshold of Altering Our Descendants 课文生词讲解( new words study) Scientists on the Threshold of Altering Our Descendants 课文学习重点讲解(Language Points) Scientists on the Threshold of Altering Our Descendants 背景知识(background info) 阅读技能： Skimming for Specific Facts 科学家即将改变我们的后代 The Leaders of Tomorrow — and Today 课文讲解 年轻人——明天的领导者，也是今天的领导者 First Listening Please listen to a short passage carefully and prepare to answer some questions.??? Schools are inherently conservative institutions. What goes on in classrooms has changed little over the last century. But schools can no longer avoid change in a world experiencing momentous technological revolutions.??? The most important technological event of our time is the rise of the computer. In the future, education will be organized largely around computer-based technology. This technology enables individuals to educate themselve