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【单选题】
在石油化工企业，设备内作业要办理设备内安全作业证。下列场所中的作业，不属于 设备内作业的是( )。A.
反应釜
B.
炉膛
C.
锅炉房
D.
地下室
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举一反三
【单选题】Mary was not in her bedroom yesterday afternoon、 She( )in her classroom.
A.
should have been
B.
must have been
C.
must be
D.
should be
【单选题】It was not until she arrived in class ______ realized she had forgotten her book.
A.
and she
B.
when she
C.
she
D.
that she
【单选题】She found she could not stand any (4) _______in her work, and she envied either her boss or any colleague who was better than her.
A.
failure
B.
envy
C.
criticism
D.
weakness
【单选题】产褥期间乳房肿胀，下列哪项是正确的
A.
产后2～3天时出现乳房肿胀是异常现象
B.
乳房如有硬结，应停止授乳
C.
乳房肿胀时，按摩乳房可抑制乳汁分泌
D.
乳房肿胀时，热敷乳房是有益的
E.
于妊娠中期中断妊娠之后，不致发生乳房肿胀
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