电镜下诊断平滑肌肉瘤的主要依据是()
A.胞质含张力原纤维
B.胞质内富含细肌丝并有致密体
C.细胞游离面具有微绒毛
D.胞质内含神经内分泌颗粒
E.典型的肌节结构
参考答案:B
改错
________小题1:I think it must belong toTom’s.
A B C D
________小题2:There’s going to holda sports meeting next week.
________小题3:I prefer playing football toplaybasketball.
________小题4:Although they are poor, but they arehappy.
________小题5:Would you please notto do it again?
党的干部是党的事业的(),是人民的公仆,要做到忠诚干净担当。
A.中心
B.重心
C.骨干
D.主人