目录 Ŀ?¼ Unit 1?Universities Around the World and Campus Life 1 Part One?Pre-accumulating 1 Part Two?Sharing and Presenting 1 Part Three?Exploring the Project 2 Part Four?Evaluating and Assessment 21 Unit 2?Food and Health 22 Part One?Pre-accumulating 22 Part Two?Sharing and Presenting 23 Part Three?Exploring the Project 24 Part Four?Evaluating and Assessment 38 Unit 3?Travel and Future Transportation 39 Part One?Pre-accumulating 39 Part Two?Sharing and Presenting 39 Part Three?Exploring the Project 40 Part Four?Evaluating and Assessment 55 Unit 4?Jobs and Careers 56 Part One?Pre-accumulating 56 Part Two?Sharing and Presenting 56 Part Three?Exploring the Project 57 Part Four?Evaluating and Assessment 76 Unit 5?Hacker and Network Security 77 Part One?Pre-accumulating 77 Part Two?Sharing and Presenting 77 Part Three?Exploring the Project 78 Part Four?Evaluating and Assessment 93 Unit 6?Animals and Human Beings 94 Part One?Pre-accumulating 94 Part Two?Sharing and Presenting 94 Part Three?Exploring the Project 95 Part Four?Evaluating and Assessment 109 Unit 7?Media and Communication 110 Part One?Pre-accumulating 110 Part Two?Sharing and Presenting 110 Part Three?Exploring the Project 111 Part Four?Evaluating and Assessment 126 Unit 8?Environment and Energy Saving 127 Part One?Pre-accumulating 127 Part Two?Sharing and Presenting 127 Part Three?Exploring the Project 128 Part Four?Evaluating and Assessment 145 Unit 9?Technology and Artificial Intelligence 146 Part One?Pre-accumulating 146 Part Two?Sharing and Presenting 146 Part Three?Exploring the Project 147 Part Four?Evaluating and Assessment 165 Unit 10?Science and Ethics 166 Part One?Pre-accumulating 166 Part Two?Sharing and Presenting 166 Part Three?Exploring the Project 167 Part Four?Evaluating and Assessment 182
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