Cassette 1 Side A 1
Unit 1．The Worldwide Reports 1
Lesson 1 Nobel Prize Winners in Physics and Chemistry(1986) 1
Lesson 2 The International Year of the Forest(1985) 3
Lesson 3 Greenhouse Effect in Atmosphere(1987) 5
Exercise 1 Teenage Science Contest in 1989(1989) 7
Unit 2．Computers and Hightech 9
Lesson 4 Computers in the U.S.(1984) 9
Exercise 2 Does A Computer Hold Information Permanently(1985) 14
Cassette 1 Side B 16
Lesson 5 Computer Learning System(1985) 16
Lesson 6 VDTs and their Influence(1985) 19
Lesson 7 Hightech(1986) 21
Exercise 3 New Transportation Systems in Shanghai(1987) 23
Unit 3．Space Technique and Ocean 25
Lesson 8 The U.S.Naval Observatory(1985) 25
Lesson 9 Spacecrafts and Halley's Comet(1986) 28
Lesson 10 The Moon Dust(1985) 30
Exercise 4 Spacelab(1986) 32
Cassette 2 Side A 34
Lesson 11 Ozone(1986) 34
Lesson 12 Spacecraft to Jupiter(1986) 36
Lesson 13 Meteor Shower(1987) 38
Exercise 5 Ocean Storms(1986) 40
Unit 4．Medicine and Environment Protection 42
Lesson 14 How a Common Drug Might Affect our Hearing(1986) 42
Lesson 15 How to Live Longer(1987) 44
Lesson 16 Waste Treatment(1988) 46
Exercise 6 Vitamins Affections(1987) 48
Cassette 2 Side B 50
Unit 5．Some Articles with Faster Reading Speed and/or Various Speaking StylesLesson 17 Making a Circle Square(1989) 50
Exercise 7 Days are Getting Longer(1985) 52
Lesson 18 Computers(1986) 54
Exercise 8 A Failing Grade for American Public Education(1988) 59
Lesson 19 Working at Home(1988) 61
Exercise 9 Working at Ford Company(1987) 63
Lesson 20 Telephone Today(1987) 65
Exercise 10 Greenhouse Building(1989) 69
Answers to Self-taught Training 71
Key to Exercises 75