关于石膏技术性能的说法，正确的是（）。 ["防火性能差","耐水性差","凝结硬化慢","硬化易收缩"]
User A issues the command: LOCK TABLES pets READ; Which command can User B execute against the pets table?（） ["UPDATE pets…","SELECT….FROM pets","INSERT INTO pets…","ALTER TABLE pets&helli"]
下列哪项工作不属于业务关系管理的范围（） ["处理顾客投诉","处理公共关系及应对危机","调查和分析顾客满意度","与顾客评审服务"]
根据马斯洛的需要层次理论和现代动机心理学的研究，儿童第三层次的需要即社会性与自我发展的需要，这一层次需要包括（） ["身体活动的需要、基本生存的需要和安全的需要","理解环境的需要和影响环境的需要","社会性交往的需要、自我实现的需要和尊敬（认可）的需要","最佳觉醒水平的需要和探究的需要"]
You want to analyze a SQL Tuning Set （STS） using SQL Performance Analyzer in a test database. Which two statements are true regarding the activities performed during the test execution of SQLs in a SQL Tuning Set？（） [" Every SQL statement in the STS is considered only once for execution."," The SQL statements in the STS are executed concurrently to produce the execution plan and execution statistics."," The execution plan and execution statistics are computed for each SQL statement in the STS. "," The effects of DDL and DML are considered to produce the execution plan and execution statistics."]
往复式压缩机排气压力范围广，从低压到（）都适用。
