Unit 1 Making machines
Learning objectives
Focus
Warm-up
Task 1Why did the human being make machine
Task 2Simple machines
Task 3 Powering machines
Task 4Machines of the industrial revolution
Task 5Machines in the modern world
Exercise
Extended reading
Translation skill
参考译文
Unit 2 Fuels and combustion
Learning objectives
Focus
Warm-up
Task 1Combustion
Task 2 Solid fuels
Task 3 Liquid fuels
Task 4Gaseous fuels
Task 5 Heating systems
New words and expressions
Exercise
Extended reading
Translation skills
参考译文
Unit 3 Engines driver for power
Learning objectives
Focus
Warm-up
Task 1 Steam engines
Task 2 Principles of steam turbine
Task 3 Gas turbine
Task 4 Wind turbine
Task 5 Fuel cells
Exercises
Extended reading
Translation skill
参考译文
Unit 4 Renewable Energy
Learning objectives
Focus
Warm-up
Task 1 How is green or renewable energy defined?
Task 2 Why has renewable energy been neglected until fairly recently?
Task 3 Which renewable energy sources hold the greatest promise?
Task 4Who are the world leaders in renewable energy?'
Task 5What is our likely energy future?
Exercises
Extended reading
Translation skill
参考译文
Unit 5Solar
Learning objectives
Focus
Warm-upTask 1 Solar power
Task 2 Solar resource
Task 3Solar thermal
Task 4Photovoltaics
Task 5 Energy storage
Exercises
Extended reading
Translation skill
参考译文
Unit 6 Wind energy
Learning objectives
Focus
Warm-up
Task 1 Introduction and historical uses
Task 2Wind characteristics and resources
Task 3 Wind turbines
Task 4 Wind farms
Task 5 Environmental impacts
Exercises
Extended reading
Translation skill
参考译文