Questão número 638515

READ TEXT II AND ANSWER QUESTIONS 57 TO 70:

According to the text, an aviation language instructor:

• A.

  should be well-versed in aviation;

• B.

  may not be an aviation specialist;

• C.

  must not learn any aviation language;

• D.

  can never teach without another teacher;

• E.

  will always be afraid of trainees.