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【单选题】
下列楼梯踏步的最小宽度和最大高度，哪一组是错误的?A.
住宅公用楼梯，踏步最小宽度为250mm，最大高度为190mm
B.
住宅户内楼梯踏步最小宽度为220mm，最大高度为200mm
C.
幼儿园楼梯踏步最小宽度为260mm，最大高度为150mm
D.
商场公用楼梯踏步最小宽度为280mm，最大高度为160mm
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【简答题】叶菜类蔬菜主要有:
【简答题】There are twofactors which determine an individual's intelce. The first is the sort ofbrain he is born with. Human brains differ considerably, some being morecapable than others. But no matter ho...
【单选题】In the bridge or engine control room ACP of AC C20, the telegraph is ______.
A.
the Lever Telegraph Unit
B.
the Push Button Telegraph
C.
the Main Engine Interface
D.
the Engine Safety Unit
【单选题】The telegraph logger is ______.
A.
a printer for recording the telegraph order
B.
a bbok for transmitting signal
C.
a machine for repair the transmitter
D.
a machine for receiving the weather fax
【单选题】预防新生儿感染的护理措施中错误的是
A.
脐带脱落前，脐部的纱布绝对不要打开
B.
室内应湿式清洁，定时净化空气
C.
护理人员在接触新生儿前后应勤洗手或涂抹消毒液
D.
脐带脱落后，每天用75%乙醇涂抹脐部，保持干燥
E.
每次大便后用温水清洗臀部，以防红臀
【单选题】The telegraph logger is ______.
A.
a printer for recording the telegraph order
B.
a book for transmitting signal
C.
a machine for repair the transmitter
D.
a machine for receiving the weather fax
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