A.
B.
C.
D.
[单选题]A.近中边缘嵴B.远中边缘嵴C.颊沟区D.舌沟区E.舌外展隙
[单选题]A.B.C.D.
[单选题]A.B.C.D.E.
[多选题]A.B.C.D.E.
[单选题]A.B.3.419C.D.17.09