【正确答案】正确答案：These features are (1) separation of language skills into listening, speaking, reading and writing, with emphasis on the teaching of listening and speaking before reading and writing; (2) use of dialogues as the main means of presenting the language; (3) practice of skills such as pattern drills, imitation/mimicry and memorization; (4) discouraging the use of the mother tongue in the classroom; (5) use of a language lab. repetition drill; substitution drill; progressive drill; transformational drill; question-and-answer drill; expansion drill; combination drill; backward build-up drill; chain drill; mini-dialogue; completion; minimal pairs.