钢管焊接时，对口时纵向焊缝应放在管道中心垂线上半圆的45°左右处，纵向焊缝应错开；管径小于600mm时．错开的间距不得小于lOOmm；管径大于或等于600mm时，错开的间距不得小于（）mm。 A.100 。 B.200 。 C.300 。 D.400。
You are the network administrator for In particular you administer a Windows 2003 server named TestKing3. TestKing3 functions as an application server and runs IIS. You discover that one of the IIS sites on TestKing3 is corrupted. You need to recover the IIS site settings. You want to achieve this goal by using the minimum amount of administrative effort. What should you do?（） Restore the IIS configuration settings by running the iisweb.vbs /create command.。 Open IIS Manager, and restore a previous version of the site.。 Restore the IIS configuration settings by running the iisback.vbs /restore command.。 Restore the IIS configuration settings by running the iisback.vbs /backup command.。
对实施脐静脉插管换血治疗的患儿，护理时应注意（） 换血过程中抽注速度均匀，注射器内不能有空气。 注意保暖，输入的血液要预先加热。 观察生命体征及全身反应。 在换血前、中、后抽取血标本。 观察伤口出血情况。
现场动用明火必须严格执行动火审批制度，在明火作业前，必须经（）审批。 建设单位。 监理单位。 消防单位。 主管部门。
The relevant configuration files for the TestKing1 and TestKing2 routers are displayed below: With due consideration to the command outputs, which of the following reasons would you attribute the connectivity problem between the two routers?（） The authentication needs to be changed to PAP for both routers.。 The serial IP addresses of routers are not on the same subnet.。 The username/password combination is incorrectly configured.。 The router names are incorrectly configured.。
在商业助学贷款中，贷款银行无权停止发放尚未使用的贷款和提前收回贷款本息的情形有（）。
