保安的仪容仪表是指什么？
参考答案：
工装要整洁、干净、不准留胡须，勤剪指甲，说话要大方、得体，要有饱满的精神状态，做到着装统一
①__________The balloon suddenly burst.
② _________He burst into the room without knocking.
③__________She burst into laughter when she heard she was admitted into Beijing University. =
She burst out laughing when she heard she was admitted into Beijing University.
④_______She burst into tears when she heard the news that her boyfriend was missing in the
earthquake.= She burst out crying when she heard the news that her boyfriend was missing in the
earthquake.
出现小细胞低色素性贫血的常见疾病是（）
A.缺铁性贫血
B.巨幼细胞贫血
C.失血性贫血
D.溶血性贫血
E.再生障碍性贫血
