: What may a good introduction look like? A:It may raise a controversial question. B:All of the above. C:It quotes a famous saying.D:It is interesting. 答案: All of the above. 9、
: What may a good introduction look like? A:It may raise a controversial question. B:All of the above. C:It quotes a famous saying.D:It is interesting. 答案: All of the above. 9、