英语听力教程.5PDF电子书下载

1 New Concepts of Health 1

2 New Developments in Medicine 9

3 Genetics ABC 15

4 Safe Food? 23

5 Life Begins Every Morning 32

6 Science Fashion 38

7 Roads Ways Changing 50

8 Rubbish or Raw Materials? 57

9 Forced Labor or Uncomplaining Helper? 64

10 Computers: Machines of Intelligence 72

11 Entering the Internet 80

12 Review 90