Tom said he ____ at that time. [ ]
A. is cooking
B. cooked
C. was cooking
D. cooks
答案:C
证券公司经营融资融券业务,应当在商业银行分别开立()。
A.融券专用证券账户
B.融资专用资金账户
C.客户信用交易担保资金账户
D.信用交易证券交收账户
肝胆疾病引起的凝血障碍最适合输入()
A.浓缩红细胞
B.洗涤红细胞
C.浓缩血小板
D.新鲜冷冻血浆
E.冷沉淀