Unit 1　Means of Transportation

Section A　Introduction to Common Means of Transportation

Section B　Airway

Section C　Railway

Section D Traffic Jams

Unit 2　Weather and Climate

Section A　Weather and Climate

Section B　The Effect of Weather on People

Section C　Climates Variations

Section D　The Change of Climate

Unit 3　Signs

Section A　Signs Everywhere

Section B　Traffic Signs

Section C　Other Public Signs

Section D　Do We still Need Stop Signs

Unit 4　Health and Fitness

Section A　Health and Fitness

Section B　Smoking and Health

Section C　Exercise for Health

Section D　Losing Weight for Health

Unit 5 Holidays

Section A Various Holidays in China and Western Countries

Section B Christmas and the Spring Festival

Section C Love's Day

Section D Holiday Syndrome

Unit 6 Well-behaved

Section A Table Manners

Section B Dressing Manner for Work

Section C Other Good Manners

Section D Why We Should Be Well-behaved

Unit 7 Digital World

Section A Digital Products

Section B Computers

Section C Digital Cameras

Section D Enjoy Your Digital Life

Unit 8 Pollution

Section A Various Pollution

Section B Air Pollution

Section C Water Pollution

Section D China Wakes up to the Dangers of Pollution

Vocabulary