现场处置方案中重要物资装备的名录或清单应列出应急预案涉及的重要物资和装备名称、型号、存放地点等。
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左、右两根扶手带速度应相等，偏差不超过（）
A. 0～2%
B. 0～3%
C. 0～4%
D. 0～5%
一架有49个乘客和两个机组成员的飞机，机上只有一名乘客时，需要（）名飞行乘务员。
户外终端不同相间防雨裙间的最小净距为（）mm。
A. 5
B. 10
C. 20
D. 25
Which two of these are correct regarding access control lists？ （Choose two.） （）
An ACL can be applied to multiple interlaces.
B. An ACL wildcard mask is identical to an IP subnet mask.
C. There may be multiple ACLs per protocol， per direction， and per interface.
D. There is an "implicit deny" at the end of an ACL and will result in a dropped packet.
E. An ACL acts on all packets， those flowing thru the router and those originated by the router itself.
F. An ACL will be processed from top to bottom and may have multiple matches that will act on the packet that is being tested.
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