[单选]
A user has written a script that is not running correctly and asks an administrator for help.
Without adding anything to the script, how can the administrator determine the cause of the problem?（）

A . Run the script with an 'sh -x' in front.
B . Run the script with a 'ksh -v' in front.
C . Type debug into the command line before running the script.
D . Type 'set -x' into the command line before running the script.

室外埋地敷设的电缆导线，应采用管壁厚度不小于（）的电线管。 1mm。 1.5mm。 2mm。 2.5mm。现购进猪腰12千克，单价为24.00元/千克，经加工处理损耗率为20%，猪腰的单位成本是多少？若每份菜肴需净猪腰200克。求该菜肴猪腰的成本是多少？下列哪种税种既有比例税率也有定额税率（）。土地增值税。车船税。印花税。契税。下列的说法（）项是错误的。动火施工人员应经过安全教育。动火施工人员应具备一定的资格等级。动火施工人员应持证上岗。动火施工人员每次动火前应考试合个格。 How does DB2 protect the integrity of indexes when data is updated?（） Locks are acquired on the data.。 Locks are acquired on index keys.。 Locks are acquired on index pages.。 Locks are acquired on index pointers.。

A user has written a script that is not running correctly and asks an administrator for help.
Without adding anything to the script, how can the administrator determine the cause of the problem?（）

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[单选] A user has written a script that is not running correctly and asks an administrator for help. Without adding anything to the script, how can the administrator determine the cause of the problem?（）

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[单选]
A user has written a script that is not running correctly and asks an administrator for help.
Without adding anything to the script, how can the administrator determine the cause of the problem?（）