“互联网+”创新商业模式涌现,()是核心资源。
A.配件
B.网点
C.资金
D.流量
参考答案:A, B, C, D
巨噬细胞能够
A.有抗原受体,能处理抗原B.产生抗体C.特异性识别抗原D.处理抗原,并向T细胞提呈抗原E.激活补体
()is software about the relation between the customer and the supplier in marketing.
A.Customer Relationship Management
B.Customer service
C.Sales planning
D.Distribution channel