UNIT 1 Introduction to International Standardization Bodies �˜ʻ��C������ Part One Text of Listening Practice Listening 1 The International Organization for Standardization ��ISO�� Listening 2 The International Electrotechnical Commission ��IEC�� Listening 3 The International Telecommunication Union ��ITU�� Key to the Exercises Part Two Chinese Translation of Listening Practice  ��1 �˜ʻ��M����ISO��  ��2 늹�ί�T����IEC��  ��3 ���“�ˣ�ITU�� Part Three Chinese Translation of Reading Materials ��x1 ISO���� ��x2 IEC���� UNIT 2 Operation of International Standardization Bodies �˜ʻ��C�����\�� Part One Text of Listening Practice Listening 1 The Operation of ISO Listening 2 The Operation of IEC Listening 3 The Operation of ITU Key to the Exercises Part Two Chinese Translation of Listening Practice  ��1 ISO���\��  ��2 IEC���\��  ��3 ITU���\�� Part Three Chinese Translation of Reading Materials ��x1 ITU���� ��x2 �̄նY�x UNIT 3 International Standards �˜� Part One Text of Listening Practice Listening 1 ISO/IEC Publicatioas Listening 2 ISO/IEC Standards Development Listening 3 Approval of ITU Reoommendations Key to the Exercises Part Two Chinese Translation of Listening Practice  ��1 ISO/IEC������  ��2 ISO/IEC�˜��ƶ�  ��3 ITU���h�������� Part Three Chinese Translation of Reading Materials ��x1 ISO��� ��x2 IEC��� UNIT 4 Participation in ISO/IEC Technical Work ���cISO/IEC���g���� Part One Text of Listening Practice Listening 1 Participation in the Work of ISO/IEC Technical Committees Listening 2 Secretariats of Technical Committees and Subcommittees Listening 3 Working Groups Key to the Exercises Part Two Chinese Translation of Listening Practice  ��1 ����ISO/IEC ���gί�T���Ĺ���  ��2 ���gί�T���ͷ�ί�T���ؕ�̎  ��3 �����M Part Three Chinese Translation of Reading Materials