What _____ Jim do with chocolate yesterday?[ ]
A. does
B. do
C. did
D. is
答案:C
巨幼细胞性贫血常可见中性粒细胞表现为()
A.2叶核者增多
B.3叶核者增多
C.4叶核者增多
D.5叶核者占3%
E.5叶核者>5%
CreditMonitor模型认为,企业向银行借款相当于持有一个基于企业资产价值的看涨期权。()