清华中学英语分级读物中学生百科英语(3)CAUSE&EFFECT(配光盘)

出版说明 本书使用说明 Unit 1 Explorers Lesson 1 Burke and Wills： Across Australia Lesson 2 Alexandra David-Neel： A French Woman in Tibet Lesson 3 Vitus Bering： Across Siberia to North America Lesson 4 Robert Scott： A Race to the South Pole Lesson 5 Into the Deep： Ocean Exploration Extension Activities Video Highlights： CNN Video， Deep Sea Exploration Activity Page： Adventure Trail Dictionary Page： Understanding Definitions Unit 2 World Issues Lesson 1 World Population Growth Lesson 2 Changes in the Family Lesson 3 Women and Change Lesson 4 Rain Forests ．Lesson 5 The Garbage Project Extension Activities Video Highlights： CNN Video， Lalita's Story Activity Page： Crossword Puzzle Dictionary Page： Working with Word Forms Unit 3 A Mishmash， or Hodgepodge Lesson 1 Roadrunners Lesson 2 Afraid to Fly Lesson 3 Languages and Language Diversity Lesson 4 Skyscrapers Lesson 5 Left-Handedness Extension Activities Video Highlights： CNN Video， The Green Skyscraper Activity Page： Familiar Phrases Dictionary Page： Understanding Grammar Codes Unit 4 Science Lesson 1 Biospheres in Space Lesson 2 Earthquakes Lesson 3 Snow and Hail Lesson 4 Photovoltaic Cells： Energy Source of the Future Lesson 5 Biological Clocks Extension Activities Video Highlights： CNN Video， Ozone Depletion Activity Page： Chemical Crossword Puzzle Dictionary Page： Doing Dictionary Research Unit 5 Medicine and Health Lesson 1 Headaches Lesson 2 Sleep and Dreams Lesson 3 Health Care and Epidemics Lesson 4 Medicine： From Leeches to Lasers Lesson 5 Cholesterol and Heart Disease Extension Activities Video Highlights： CNN Video， The Singing Doctor Activity Page： Who Said What? Dictionary Page： Learning About Word Stress Unit Quiz Vocabulary Skills Index Video Transcripts