好发于左心房,肉眼呈球形、息肉样、分叶状或绒毛状的心脏常见肿瘤可为()
A.横纹肌瘤
B.间皮瘤
C.黏液瘤
D.软组织肉瘤
E.恶性淋巴瘤
参考答案:C
Every year in September or October, the Mid-Autumn Festival _____ by the Chinese people all over the world. [ ]
A. is celebrated
B. celebrated
C. celebrates
D. was celebrated
面向供应市场,支持产品和服务的协同设计、协同供应、供方与组织的协同计划的管理系统是指( )。
A.人力资源
B.物流
C.供应链管理
D.客户关系管理