中学英语拓展阅读丛书 自然科学系列 第8册PDF电子书下载

1 A Eating for Good Health 1

1 B Nutritional Facts and Myths 3

2 A Sea Mammals 5

2 B A Powerful Killer 7

3 A What Is a Mineral? 9

3 B Moh's Scale of Mineral Hardness 11

4 A Global Warming 13

4 B Mario J.Molina and the Banning of CFCs 15

5 A The Renaissance:A Rebirth of Learning 17

5 B Leonardo da Vinci 19

6 A What Is a Geneticist? 21

6 B Rosalind Franklin and the Structure of DNA 23

7 A The Beauty of Orchids 25

7 B How to Grow Orchids from Seed 27

8 A The Science of Golf 29

8 B The Evolution of the Golf Ball 31

9 A Animal Classification:Vertebrates and Invertebrates 33

9 B Cephalopods 35

10 A The Life Cycle of a Star 37

10 B The Andromeda Galaxy 39

11 A Earth's Changing Landscape 41

11 B Trees:Anchors of Earth's Crust 43

12 A How to Avoid Avalanches 45

12 B Surviving an Avalanche 47

13 A The Three Phases of Matter 49

13 B How Does Temperature Influence Matter? 51

14 A The Beneficial Garter Snake 53

14 B Snakebites and Antivenin 55

15 A Avoiding a Water Crisis 57

15 B Keeping Drinking Water Clean and Safe 59

16 A The World of Dinosaurs 61

16 B Paleontologist:Fossil Detective 63

17 A Poisonous Plants 65

17 B Poisonous Mushrooms 67

18 A The Electromagnetic Spectrum 69

18 B Do Animals See Color? 71

19 A Isaac Newton's Three Laws of Motion 73

19 B Laws of Motion at an Amusement Park 75

20 A Using Technology to Predict Weather 77

20 B Preparing for Hurricanes 79

21 A Endangered Species 81

21 B Mountain Gorillas 83

22 A Radioactivity 85

22 B Dr.Chien-Shiung Wu and the Law of Parity 87

23 A Animals with Links to the Past 89

23 B Determining the Age of a Fossil 91

24 A The Remarkable Brain 93

24 B How Does Memory Work? 95

25 A Measuring Air Pressure with Barometers 97

25 B Making a Barometer 99

附录 101

Answer Key 101

Reading Rate 103

Comprehension Score 104

Comprehension Skills Profile 105