扫描电镜下称为"绒毛型细胞"的是()
A.网织红细胞
B.中性粒细胞
C.血小板
D.B淋巴细胞
E.T淋巴细胞
参考答案:D
In this section, we will briefly describe possible ways of reducing the costs and risks ______ in doing this.
A.involving
B.involved
C.to involve
D.being involved
下列选项中属于收益定价策略的是()。
A.声望定价策略
B.分级定价策略
C.渗透定价策略
D.整数定价策略