施工预算的表格中，“两算”对比表是指（）。 ["不同分项工程内容的施工预算与施工图预算的对比分析表","不同分项工程内容的材料消耗对比分析表","同一工程内容的施工预算与施工图预算的对比分析表","同一工程内容的人工费、材料费的对比分析表"]
Which of the following statements about variables and their scopes are true？ （） [" Instance variables are member variables of a class."," Instance variables are declared with the static keyword."," Local variables defined inside a method are created when the method is executed."," Local variables must be initialized before they are used."]
开车时适合听的音乐类型有（） ["巴洛克音乐","心水咏叹调","爵士乐","以上都有"]
SEO行业里最佳的搜索引擎优化方法是（）。 ["白帽SEO","黑帽SEO","灰帽SEO"]
下列理论中，（）是由美国的心理学家和行为科学家斯金纳提出的。 ["公平理论","归因理论","强化理论","期望理论"]
简述液体的流度与粘度。
