In the last paragraph (lines 105-114), the author suggest...

the communicative environment in the learners’ workplace does not reflect the challenges of real life communication.

learners will only meet their objective provided they are offered intensive language training and rehearsal in their workplace.

ESP instructors need to be fully knowledgeable in the technical skills required in the learners’ workplace.

ESP instructors are expected to have a general idea of the professional tasks and interactional needs of the learners without a thorough background in technical issues.

ESP instructors must develop an extensive knowledge of aviation as well as of Aviation English in order to help learners cope with the everyday challenges of their workplace.