下列何种微生物在鸡胚卵黄囊中生长良好()
A.支原体
B.军团菌
C.沙眼衣原体
D.肺炎链球菌
E.流感嗜血杆菌
参考答案:C
以下属于供应链下的库存管理方法的是().
A.EOQ模型
B.供应商管瑾库
C.联合库存管理
D.第三方物流供应商管理库存
E.订贷点法
She was busy, or she _________ him more help. [ ]
A. had given
B. would give
C. could have given
D. give