铁锈污渍如何洗涤?
参考答案:
用1%的草酸温溶液清洗,再用洗涤剂洗涤
He gets up at six o'clock, runs for half an hour and then has a meal, that is his morning ______. [ ]
A. policy
B. behavior
C. tendency
D. routine
患者,男性,常易感冒,出现疲乏、无力、头晕、食欲减退,有时出现高热。血常规:白细胞减少,中性粒细胞计数0.4乘以十的九次方/L。
治疗重度粒细胞减少疗效明确,可使中性粒细胞迅速增多的药物是()
A.碳酸锂
B.重组人红-粒系集落刺激因子
C.重组人单-粒系集落刺激因子
D.重组人红-单系集落刺激因子
E.重组人粒-单系集落刺激因子