Which statement is true？（） ["Compilation fails.","An exception is thrown at runtime.","Synchronizing the run（） method would make the class thread-safe.","The data in variable "x" are protected from concurrent access problems.","Declaring the doThings（） method as static would make the class thread-safe.","Wrapping the statements within doThings（） in a synchronized（new Object（））{} block would make the class thread-safe."]
对标底编制的监察包括（） ["招标人标底编制过程及结果在开标过程中是否保密","招标人标底（或者标底产生办法）是否唯一","招标文件中载明的递交投标文件的截止时问是否符合有关法律法规和规章的规定","对招标文件进行澄清或者修改的，是否在规定的时限前以书面形式通知所有投标人"]
具有水土保持工程施工专业甲级资质的监理单位可以承担Ⅱ等以下各等级水土保持工程的施工监理业务。
You run the SQL Tuning Advisor （STA） to tune a SQL statement that is part of a fixed SQL plan baseline. The STA generates a SQL profile for the SQL statement，which recommends that you accept the profile. Which statement is true when you accept the suggested SQL profile？（） [" The tuned plan is not added to the SQL plan baseline."," The tuned plan is added to the fixed SQL plan baseline as a fixed plan."," The tuned plan is added to the fixed SQL plan baseline as a nonfixed plan."," The tuned plan is added to a new nonfixed SQL plan baseline as a nonfixed plan."]
世界殖民体系最终形成的根源在（）。 ["资本主义的发展具有开放和扩张的特点","亚、非、拉美的贫困和落后","世界经济发展和社会分工的需要","资本主义制度基本矛盾的作用"]
草原统一规划应当遵循的原则。
