Unit 1 H0w to Become a Good Graduate Student 1
Unit 2 United States Military Academy（West Point,N.Y.） 10
Unit 3 Natural Sciences and Social Sciences 23
Unit 4 The Global Positioning System for Military Users:Current Modernization Plans and Alternatives 32
Unit 5 The Real Science Gap 44
Unit 6 What Is I.B.M.'s Watson? 55
Unit 7 Drone Knowns and Drone Unknowns 67
Unit 8 ResearchGATE Offers New Publishing and Communication Tools for Scientists 75
Unit 9 National Institute of Standards and Technology Advancing Innovation and Industrial Competitiveness 82
Unit 10 The New Digital Divide 91
Unit 11 Remarks by the President on Securing the Nation's Cyber Infrastructure 100
Unit 12 Will Innovation Flourish in the Future? 111
Unit 13 The 6 Pillars of Steve Jobs'Design Philosophy 122
Unit 14 History of Mobile/Cell Phone 130
Unit 15 Preliminary Report Regarding NASA's Space Launch System and Multi-Purpose Crew Vehicle 139
Unit 16 A Physicist Solves the City 147
Unit 17 C4ISR Takes Hold 162
Unit 18 Management of Human Capital in the Army 170
Unit 19 Application of Encryption 182
Unit 20 Exploration in the Age of Digital Earth 191
Appendix:Transcripts for the Listening Passages 200
1. Colleges and Universities 200
2. Difrent Academic Titles 201
3. How American Colleges Attract Students 202
4. Staying in School Makes Your IQs Higher 202
5. The Tiger Mother 203
6. Obama's Talk about Education 204
7. Obama's Plan to Highlight the Role of Education 205
8. United States Military Academy at West Point 207
9. Value of Humanities 208
10. GPS tracking:A Question of Privacy 209
11. The Use of Location-tracking Systems 210
12. Scientists in Schoool 211
13. Top Science Students 213
14. The Super Computer 214
15. Computer History Museum 215
16. Drones:Not Just For the Military Anymore 216
17. Drone Pilots:The Future Of Aerial Warfare 217
18. ResearchGate,the Social Networking Website for Scientists 219
19. Making the Web More Usable 220
20. The Future of Referene-book Publishers 221
21. The National Institute of Standards and Technology 222
22. Taking Steps to Close the Digital Divide 223
23. Cyber*security 224
24. Cyber Attacks 225
25. Security Breach 226
26. IBM's 5 in 5 227
27. Tomorrow's Innovations 228
28. The Engines of Our Ingenuity 229
29. Some Top Technology Developments 230
30. Steve Jobs 231
31. College Dropouts 232
32. Electronics among the Most Requested Gifts 233
33. Harmful Effects of Cell Phones 234
34. Using Mobile Phone Service for Health Care 235
35. NASA's Post-Shuttle Spacecraft 237
36. The End of the Space Shuttle Program 238
37. The Role of the City in Global Society 239
38. Defending the Environment 240
39. Obama Sets Plan for Leaner Military 242
40. Unemployment High for Young US Military Veterans 243
41. BlackBerries Make Governments Nervous 245
42. Google Map Out Crisis in Darfur 246
References 248