【目录】
Unit 1
Part I Visitas Memories
Part ll Preparing for College:Insights from My Freshman Year
Part Ill Become and Stay Competitive with Higher Education
Part IV The Pros and Cons of Free College Education
Part Ⅴ The Benefits of Higher Education
Unit 2
Part I endship
Part I Crimson Ties
Part Il Why Friends Make Us Happier, Healthier People？
Part IV Personality Similarity and Friendship Choices
Part V What Americans Really Think of International Students？
Unit 3
Part I The Link Between Pure and Applied Science
Part II What Would Happen If All Satellites Stopped Working？
Part Ill Description in Scientific Research
Part IV The Pros and Cons Associated with Self-Driving Cars
Part V Chien-Shiung Wu
Unit 4
Part I I.M. Pei
Part I Andrew Carnegie
Part Ill The American Dream:Reality or Just a Dream？
Part IV Should the United States Keep Daylight Saving Time？
Part V America Is More Patchwork Quilt than Melting Pot
Unit 5
Part I The Woman of His Dreams
Part II What I Learned in the Shoe Store
Part Ill Friendship, Trust, and the Bottom Line
Part IV Sales as a Career Choice:Advantages and Disadvantages
Part V Success Will Come and Go, but Integrity Is Forever
Unit 6
Part I Txt Msg Phenomenon:R U in2 It？
Part II How Social Media Is Affecting the Way We Speak and Write
Part Ill Social Media
Part IV The Pros and Cons of Social Networking
Part V The Effects of Social Media on How We Communicate
Appendix Key to Comprehension Exercises
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