目录 Unit 1 Part I Visitas Memories Part II Preparing for College: Insights from My Freshman Year Part III 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 Friendship Part II Crimson Ties Part III 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 III 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 II Andrew Carnegie Part III 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 III 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 So Media Is Affecting the Way We Speak and Write Part III So Media Part IV The Pros and Cons of So Networking Part V The Effects of So Media on How We Communicate Appendix Key to Comprehension Exercises
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