填空题

English for Special Purposes
The Sadrina Project An intermediate course featuring English for travel and the travel business. Twelve twenty-minute episodes on film and videocassette, with a textbook.
The Language of Business A best-selling advanced course with a textbook and four audiocassettes.
The Bellcrest Story An advanced course for professional businessmen. Thirteen fifteen-minute episodes on film and videocassette, and a full range of teachers’ and students’ books and tapes produced in conjunction with Oxford University Press.
English for International Cooperation Advanced English used for meetings, negotiation and administration. A textbook and four audiocassettes.
Letter Writing in English A textbook on general and business letter writing.
Project Aftermath A new intermediate course of technical English. Two books and four audiocassettes.
The Scientist Speaks A film series covering a wide Variety of topics, with language teaching sections, and a textbook.
The Language of Aviation A course made in collaboration with the major airlines giving a comprehensive account of all aspects of the industry. A textbook and three audiocassettes.

Names of the Courses	Contents
(46) ______	An intermediate course featuring English for travel and the travel business.
The Bellcrest Story	An advanced course for (47) ______.
(48) ______	A textbook on general and business letter writing.
The Scientist Speaks	It is a film series covering a variety of (49) ______, with language teaching sections.
The Language of Aviation	It is a course made in collaboration with the major airlines giving a comprehensive account of (50) ______.