67. Her trouble was found to be , not physical.
A.mental
B.material
C.mad
D.Mentally
答案:A
绵马贯众叶柄有
A.极面观呈三角形,角端各有一个萌发孔B.呈类球形或长圆形,外壁有细点状条状雕纹C.呈球形、黄色、外壁具细刺状突起D.呈球形或椭圆形,表面有似网状雕纹E.花粉粒少见,呈圆球形,外壁近于光滑
成骨肉瘤最好发的部位是()
A.长骨
B.短骨
C.不规则骨
D.脊柱
E.颅骨