当代大学英语 强化阅读英语学生学习课本 2PDF电子书下载

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Unit 1　The learning environment 1

Unit 2 Technology and education 31

Unit 3 The wonders of science 65

Unit 4 "The silver screen" 99

Unit 5 Language 129

Unit 6 The sky's the limit 157

Unit 7 Space research 187

Unit 8 Voices from afar 217

Unit 9 America through foreign eyes 247

Unit 10 Problems in urban living 275

Unit 11 Being there 303

Unit 12 The business climate 335

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