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1-44章
共44章
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版权信息
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前言
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Unit 1 The Career Path in Chemical Engineering
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Listening
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Speaking
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Reading
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Writing
免费
Unit 2 Outlook for Chemical Industry
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Listening
免费
Speaking
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Reading
免费
Writing
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Unit 3 Chemical Engineering in Modern Life
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Listening
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Speaking
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Reading
免费
Writing
Unit 4 Green Chemistry and Environmental Protection
Listening
Speaking
Reading
Writing
Unit 5 The Safety of Food and Chemical Products
Listening
Speaking
Reading
Writing
Unit 6 The Raw Materials and Design of Chemical Products
Listening
Speaking
Reading
Writing
Unit 7 The Marketing of Chemical Products
Listening
Speaking
Reading
Writing
Unit 8 Entrepreneur Interviews
Listening
Speaking
Reading
Writing
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