缺铁性贫血用铁剂治疗5~10天后首先出现的治疗反应是()
A. 红细胞总数增高
B. 血清铁增加
C. 骨髓外铁增加
D. 网织红细胞数升高
E. 红细胞平均直径恢复正常
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根据下列汇票记载,可判定记载为()的汇票为无效汇票。
A. Pay to Jackson Co. or order the sum of six thousand US dollars. Drawn under L/C No.83419 issued by Westminster Bank Limited, London dated on 8th May 2004.
B. Pay to Jackson Co. or order the sum of six thousand US dollars and charge/debit same to applicant’s account with you.
C. Pay to Jackson Co. or order the sum of six thousand Hongkong dollars plus interest.
D. Pay to Jackson Co. or order the sum of six thousand Hongkong dollars plus interest calculated at the rate of 8% p.a.
机械通风故障没有排除之前不许启动风机,以免造成()。
A. 浪费
B. 事故
C. 风量变化
D. 通风不均匀
保安员在区域巡逻中可能遭遇违法犯罪分子的袭击和治安灾害事故,因此保安员在巡逻中要提高警惕、加强防护
A. 正确
B. 错误