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【多选题】
扣件式钢管脚手架横向水平杆应满足下列要求:()A.
凡立柱与纵向水平杆的相交处均必须设置一根横向水平杆，严禁任意拆除
B.
双排脚手架的横向水平杆，其两端均应用直角扣件固定在纵向水平杆上
C.
脚手板采用三支点支承
D.
脚手板必须采用搭接平铺
E.
其主要作用是承受脚手板传递来的荷载并传给剪刀撑
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举一反三
【单选题】有如下代码,分割出$path_parts的不包含扩展名的文件名使用的语句是: $path = $_SERVER['PHP_SELF']; $path_parts = pathinfo($path);
A.
$path_parts['dirname']
B.
$path_parts['basename']
C.
$path_parts['extension']
D.
$path_parts['filename']
【单选题】The critical path in a network is the path that:
A.
Has the greatest degree of risk.
B.
Will elongate the project if the activities on this path take longer than anticipated.
C.
Must be completed before all other paths.
D.
All of the above.
E.
A and B only.
【单选题】Most Palestinians are ______a path of peace, which means they reject a path of violence. [ ]
A.
at the mercy of
B.
in favor of
C.
in terms of
D.
owing to
【单选题】● The critical path in a schedule network is the path that:
A.
Takes the longest time to complete
B.
Must be done before any other tasks
C.
Allows some flexibility in scheduling a start time.
D.
Is not affected by schedule slippage
E.
All of the above.
【单选题】Which of the following choices correctly describes the difference between a data load via the conventional path and the direct path?（）
A.
One runs faster than the other
B.
A conventional path data load bypasses most of the Oracle RDBMS, whereas a direct path load is a high-speed version of the SQL INSERT
C.
A direct path data load bypasses most of the Oracle RDBMS, whereas a conventional path load is a high-speed version of the SQL INSERT
D.
The conventional path runs when the CONVENTIONAL command-line parameter is set to TRUE
【单选题】Given the following LSP configuration, which statement is true?（）label-switched-path lsp-xyz { to 10.200.1.1; primary path1; secondary path2; secondary path3; no-cspf; } path path1 { 10.200.10.1 stric...
A.
The router will use path1 when it is available and stable.
B.
The router will use path3 when it is available and stable.
C.
The router will attempt to establish path2 only when path1 and path3 are down.
D.
The router will attempt to establish path1 only when path2 and path3 are down.
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