CBUS系统内部账账号编码规则为1位账本类型+()
A.2位币别
B.9位机构号
C.8位科目号
D.6位顺序号
参考答案:A, B, C, D
血浆和血小板内的P选择素含量增高不会见于()。
A.巨血小板综合征
B.肝硬化
C.急性心肌梗死
D.脑血栓
E.自身免疫性疾病
We were reading the newspaper suddenly the light went out.[ ]
A. when
B. while
C. as soon as
D. before