Lesson One 1
Text:Motion 1
Word study:apply,assume,respect 5
Basic Reading Skills(1):Determining the Main Idea 6
Reading Materials:Ⅰ．Potential and Kinetic Energy 10
Reading Materials:Ⅱ．Weight on and off the Earth 12
Lesson Two 14
Text:Electrical energy 14
Word Study:acquaint,lead,evolve 17
Basic Reading Skills(2):Recognizing Important Details 19
Reading Materials:Ⅰ．Energy Sense Makes Future Sense(1) 24
Reading Materials:Ⅱ．Energy Sense Makes Future Sense(2) 27
Lesson Three 30
Text:Water resources 30
Word Study:overcome,create,regard 34
Basic Reading Skills(3):Finding Implications and Making Inferences 36
Reading Materials:Ⅰ．Why Pollute Our Planet 41
Reading Materials:Ⅱ．The Value of Education 43
Lesson Four 46
Text:How Does a Scientist Look at Tomorrow 46
Word Study:tap,found,equip,mold(mould) 49
Basic Reading Skills(4):Drawing Logical Conclusion 51
Reading Materials:Ⅰ．Frontiers for Tomorrow 56
Reading Materials:Ⅱ．New Scientific Breakthroughs 58
Lesson Five 61
Text:Albert Einstein 61
Word Study:comment,achieve,grasp.accept 65
Basic Reading Skills(5):Making Sound Judgements 66
Reading Materials:Ⅰ．Of Mighty Falls and the Fallen Mighty 70
Reading Materials:Ⅱ．The Development of Civilization 73
Lesson Six 75
Text:What the Computer Can Do 75
Word Study:render,attain,confront,expand 78
Basic Translating Skills(1) 80
Reading Materials:Ⅰ．Computers in the Year 2000 85
Reading Materials:Ⅱ．Electron Eyes 87
Lesson Seven 91
Text:High-performance Plastics 91
Word Study:overtake,conduct,spoil,boost 94
Basic Translating Skills(2) 96
Reading Materials:Ⅰ．The Age of Superstuff 100
Reading Materials:Ⅱ．Elasticity 103
Lesson Eight 106
Text:Juice in the Fridge 106
Word Study:recover,reserve,exploit,induce,investigate 109
Basic Translating Skills(3) 112
Reading Materials:Ⅰ．The Greenhouse Impact on Energy(1) 116
Reading Materials:Ⅱ．The Greenhouse Impact on Energy(2) 119
Lesson Nine 122
Text:The Challenge of High technology 122
Word Study:refine,mix,threaten,extend 126
Basic Translating Skills(4) 128
Reading Materials:Ⅰ．The World Enters a New Age of Progress(1) 132
Reading Materials:Ⅱ．The World Enters a New Age of Progress(2) 135
Lesson Ten 138
Text:How Did Life Begin 138
Word Study:construct,reproduce,survive,exclusive 141
Basic Translating Skills(5) 143
Reading Materials:Ⅰ．Photosynthesis 149
Reading Materials:Ⅱ．Freedom 151
Supplementary Reading 154
Unit One 154
Material 1:Colour Affects Your Moods and Health 154
Material 2:Perception 157
Material 3:The Best Age to Be 158
Unit Two 160
Material 1:The Awesome Force That Shaped Our Planet 160
Material 2:Balance of Nature 163
Material 3：Public Spirit 166
Appendix Ⅰ：部分练习参考答案及译文 168
Appendix Ⅱ：总词汇表 204