Sorry. It typed some parts of the paragraph wrongly (I wonder if my sentence is correct or not!.)
It is part of the book "Developments in English for Specific Purposes"
During an intensive ESP course the learnersí time is totally committed to that ESP course. In contrast, an
extensive ESP course occupies only small part of a studentís timetable or a professional personís work schedule.
ESP courses, both EOP and EAP, are frequently intensive. Companies send their managers, secretaries or technicians on short intensive courses in the expectation that an exclusive concentration on certain skills or languge for the period of the course will greately enhance their perfomance in activities that require English. English intensive EAP pre-study courses are very common in English-medium situations.
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