单项选择题
A.A park.B.A parking lot.C.A finding place.D.A crowded place.
A.2~4周B.4~6周C.6~8周D.10~12周E.12~14周
A.双侧咀嚼B.单侧咀嚼C.前伸咀嚼D.单侧及前伸咀嚼E.双侧交替咀嚼