单项选择题
A.MFA B.IFA C.IMPA D.FIMA E.FPA
A.偏侧咀嚼 B.口呼吸 C.咬下唇 D.吮拇指 E.咬上唇
A.140°~160° B.130°~140° C.120°~125° D.100°~110° E.以上都不对