皮皮学,免费搜题
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搜题
【单选题】
下列属于内皮的部位是:
A.
胸膜
B.
腹膜
C.
胃、肠道外表面
D.
心内膜
E.
心包膜
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【单选题】作为综合布线连接地系统中接地干线及设备接地线的转接点是( )
A.
接地线
B.
接地母线
C.
接地干线
D.
主接地母线
【单选题】Most environmental problems exist because adequate measures for preventing them ______ taken in the past.
A.
was not
B.
were not being
C.
were not
D.
being not
【简答题】账套主管负责所建账套的维护工作。主要包括对所选账套进行修改、对年度账进行管理,以及该账套操作员权限的设置等。 ( )
【单选题】综合布线系统中各种设备与接地母线之间的连线是( )
A.
接地线
B.
接地母线
C.
接地干线
D.
主接地母线
【判断题】电气防护是指综合布线系统应尽量不受电气故障的影响,接地是为了保护系统中的设备电子线路不受电磁干扰的影响,防火则是为了防止火灾对系统造成的破坏。
A.
正确
B.
错误
【简答题】Which of the following measures of profits is most likely necessary for a firm to stay in business in the long run? A.normal B.economic C.accounting
【单选题】According to the passage, the comfort zone for most African people ______.
A.
measures about 21 inches
B.
varies from person to person
C.
implies respect
D.
is regulated by status
【单选题】Most environmental problems exist because adequate measures for preventing them _________ taken in the past.
A.
was not
B.
were not
C.
were not being
D.
being not
【简答题】垂直子系统和水平干线子系统连接地系统称为 _ _____ ,该系统通常由通信线路互联设施和设备组成 .____ ____ 是综合布线系统地管理中枢,整个建筑物或大楼地各种信号都经过各类通信电缆汇集到该子系统 . xHA
【简答题】账套主管负责所选账套的维护工作。主要包括对所选账套进行修改、对年度账进行管理,以及该账套操作员权限的设置等。( )
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