A.6~6.8 B.B12.5~18 C.11.5~16 D.7~11.5
A.細(xì)胞B.組織C.骨骼D.器官
A.2.9~4.1 B.3.9~5.1 C.3.9~6.1 D.4.9~6.1
A.口腔 B.胃 C.胰腺 D.小腸
A.14 B.12 C.10 D.7~8