前言
Unit 1 Students Life
Communicative Samples
Paragraph Reading A: On Applying for a College
Paragraph Reading B: Examination
Grammar Focus: Form Words实词

Unit 2 Environment & Conservation
Communicative Samples
Paragraph Reading A: Pollution
Paragraph Reading B: Global Warming
Grammar Focus: Notional Words虚词

Unit 3 Web
Communicative Samples
Paragraph Reading A: The Internet
Paragraph Reading B: Americans Use of the Internet
Grammar Focus: Tenses时态(一)

Unit 4 Climate & Weather
Communicative Samples
Paragraph Reading A: Predicting Weather
Paragraph Reading B: "Road Rage" Behavior
Grammar Focus: Tenses时态(二)

Unit 5 Culture
Communicative Samples
Paragraph Reading A: The Cultures
Paragraph Reading B: Manners
Grammar Focus: Tenses时态(三)

Unit6 Sports & Games
Communicative Samples
Paragraph Reading A: Sports and Games
Paragraph Reading B: The Sporting Spirit
Grammar Focus: Tenses时态(四)

Unit 7 Peoples Life
Communicative Samples
Paragraph Reading A: Making Good Use of Time
Paragraph Reading B: Surviving in a Forest
Grammar Focus: Passive Voice被动语态

Unit 8 Studying Online
Communicative Samples
Paragraph Reading A: The Distance Learning
Paragraph Reading B: The E-mail
Grammar Focus: Infmitive动词不定式

Unit 9 Traffic & Transmission
Communicative Samples
Paragraph Reading A: Traffic Safety
Paragraph Reading B: The Public Transport
Grammar Focus: Gerund动名词

Unit 10 Letters
Communicative Samples
Paragraph Reading A: The Presidents Letters
Paragraph Reading B: Applicants and Employers
Grammar Focus: Participle分词

Unit 11 Energy Resources
Communicative Samples
Paragraph Reading A: Natual Resources
Paragraph Reading B: Electricity
Grammar Focus: Emphasis and Inversion强调与倒装

Unit 12 How to Learn
Communicative Samples
Paragraph Reading A: How to Read
Paragraph Reading B: Learning a Foreign Language
Grammar Focus: Tag Question反意疑问句
Glossary
Model Test 1
Model Test 2
Answer Keys