听力部分
Unit 1 Computer Science
Unit 2 The Internet
Unit 3 Automation Technology
Unit 4 The Environment
Unit 5 Energy Science
Unit 6 Transportation
Unit 7 Materials Science
Unit 8 Biotechnology
Unit 9 Space Science
Unit 10 Earth Science
口语部分
Unit 1 Computer Science
Unit 2 The Internet
Unit 3 Automation Technology
Unit 4 The Environment
Unit 5 Energy Science
Unit 6 Transportation
Unit 7 Materials Sciences
Unit 8 Biotechnology
Unit 9 Space Science
Unit 10 Earth Science
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