听力部分 3
Unit 1 Computer Science 3
Unit 2 The Internet 9
Unit 3 Automation Technology 14
Unit 4 The Environment 20
Unit 5 Energy Science 26
Unit 6 Transportation 31
Unit 7 Materials Science 37
Unit 8 Biotechnology 43
Unit 9 Space Science 49
Unit 10 Earth Science 55
口语部分 63
Unit 1 Computer Science 63
Unit 2 The Internet 68
Unit 3 Automation Technology 72
Unit 4 The Environment 75
Unit 5 Energy Science 80
Unit 6 Transportation 84
Unit 7 Materials Sciences 89
Unit 8 Biotechnology 94
Unit 9 Space Science 99
Unit 10 Earth Science 103