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