【单选题】关于再生障碍性贫血的描述,下列哪项是错误的:
B.
重型再生障碍性贫血死亡原因常为颅内出血和严重感染
C.
贫血往往是慢性再生障碍性贫血的首发或主要表现
【简答题】在水平腕臂-斜腕臂支柱装置中,要注意的是水平腕臂与棒式绝缘子的连接用()。
【简答题】引导手势有: A横摆式, B屈臂式, C直臂式, D斜臂式
【简答题】A. 高位手势即直臂式 (请往左走) B. 低位手势即斜摆式 (您请坐)
【单选题】There is certainly some truth to that charge, and our recent financial policies haven' t helped.
【单选题】独立悬架的分类包括单横臂式、双横臂式、单纵臂式、双纵臂式和( )等几种。
【单选题】Once objectives and policies are established, the manager just let other people perform. the activities necessary for achieving the goal without doing anything else himself.