某河道工程项目法人按照《水利水电工程标准施工招标文件》（2009年版）编制了施工招标文件，招标文件规定不允许联合体投标。某投标人递交的投标文件由投标函及附录、授权委托书（含法定代表人证明文件）、投标保证金、项目管理机构、施工组织设计、资格审查资料、拟分包情况表、已标价工程量清单组成。投标文件拟将渠道混凝土砌块衬砌项目分包，填报了拟分包情况表。
经评标委员会评审，该投标人中标，并签订合同。施工期第一个月完成的项目和工程量（或费用）如下：
（1）80m3/h挖泥船施工，河道疏浚（5km，断面积48m2）；
（2）施工期自然回淤清除（断面积2m2）；
（3）河道疏浚超挖断面积（4m2）；
（4）排泥管安装拆除，费用10万元；
（5）开工展布，费用4万元；
（6）施工辅助工程，包括浚前扫床和障碍物清除及其他辅助工程，费用50万元。
若80m3/h挖泥船单价为12元/m3，每月工程质量保证金按工程款的5%扣留，计算施工期第1月应支付的工程款和扣留的工程质量保证金。
Which of the following is TRUE for the DB2 isolation level Cursor Stability (CS)?（） An application process acquires at least a share lock on the current row of every cursor.。 Any row that is read during a unit of work cannot be changed by other application processes until the unit of work is complete.。 Any row changed by another application process can be read, even if the change has not been committed by that application process.。 An application process that issues the same query more than once in a unit of work will not see additional rows caused by other application processes appending new information to the database.。
“四位一体”模式是由（）、（）、（）和（）温室组成。
Company.com performs a cluster verification on a regular basis. Cluster verification is successfulbut the cluster sometimes fails to start the applications during a fallover. Investigation of the issue has revealed that the non-shared component of the application configuration information is not being kept up to date on the secondary nodes. What can be used to help resolve this issue？（） A pre-event。 Error notification。 Application monitoring。 Custom verification method。
在管道动火施工时，首要任务是保证（） 施工质量。 施工进度。 施工安全。 节约成本。
能够燃烧的永久气体共有（）种。
