支气管扩张大咯血的原因是()
A.支气管壁破坏
B.病灶部位毛细血管通透性增高
C.动脉终末支扩张形成动脉瘤
D.慢性溃疡侵蚀肺小血管
E.感染所致黏膜充血
参考答案:D
根据句意, 用括号中所给词的适当形式填空。
小题1:Will people live 100 years old? ( be )
小题2:Mother (sweep) the floor when I (leave) home.
小题3:My friend Eve told me she (be) going to buy a new computer.
小题4:It’s necessary for young people (experience) different things.
小题5:My dream is to be a (profession) athlete.
某企业持有一张9个月后到期的l年期汇票,面额为5000元,到银行请求贴现,该票据的贴现率为3%,请计算贴现利息和贴现金额。