常用的存储策略为()。
A.经济批量订购制
B.订货点设置方式制
C.定量订购制
D.定期订购制
参考答案:C, D
不属于升白细胞药物的是()
A.肌苷
B.粒细胞集落刺激因子
C.重组人促红素
D.非格司亭
E.利可君
The whole hall _____ to wait for the announcement of the winner of the first prize.
A.held its breath
B.drew a deep breath
C.took a breath
D.got the breath again