英语文选 理工科PDF电子书下载

Contents 3

1．Water Power 3

2．Coal 5

3．Gas 8

4．Salt 11

5．What people Don′t Know about Air 15

6．About Electricity 19

7．Conversion of Energy 23

8．Geothermal and Solar Energy 29

9．Solar Water Heating 33

10．Some Power Problems 37

11．Noise 42

12．Energy and Building Design 46

13．An Open Letter to the President（1） 52

14．An Open Letter to the President（2） 61

15．Are We Alone？ 68

16．The Sun 71

17．The Lunar Surface Environment 75

18．Where We Are 79

19．Detecting Black Holes 83

20．Our Future in Space：It Has Already Begun！ 87

21．VBNUS--The Burning Question 95

22．Breathing below the Surface of the Sea 100

23．Mysteries of the Sea 104

24．Can We Predict Earthquakes？ 110

25．Neonatology 117

26．Hydroponics：Farming Without Dirt 121

27．Biofeedback--Learning More Control 127

28．Using the Mind against Disease 131

29．Hang Gliding 137

30．Dreams That Saved Lives 141

31．Water′s Wondrous Talents 147

32．Cooling with Sound 153

33．Cheaper and Better than Drugs？ 156

34．New Carbon Calendar 161

35．Some Practical Uses of Radioisotopes 165

36．A Look at the Future 174

37．old or New Technology？ 179

38．The Modern Wonder of Electronics 183

39．Telepathy 188

40．What Are Computers？ 192

41．Space Computers 202

42．The Magic of Microelectronics 208

43．Black Gold 214

44．Science Education for a New Age 221

45．Man Searches for Life in Space 229

46．Basic and Applied Research 238

VOCABULARY 247