What is the biggest advantage of using Web services to create SOA solutions？（） [" They are implemented using Java and XML"," They support a client-server programming model"," They are used to create tightly coupled applications"," They are implemented using standardized technologie"]
城市生态问题的表现。
A database administrator wants to design a multi-partition database that can take advantage of both intra-partition parallelism and inter-partition parallelism. Which configuration will allow the use of these types of parallelism while using the least number of hardware components (servers, processors)? （） ["one server having at least two processors ","two servers having one processor and one logical database partition ","one server having four processors and two logical database partitions ","two servers each having four processors and two logical database partitio"]
污染物的类比分析法，判断分析对象与类比对象之间的相似性，可以从（）等方面入手。 ["工程一般特征的相似性","污染物排放特征的相似性","项目生产方式相似性","环境特征相似性","项目区域地貌相似性"]
Given：
食品毒理学研究的内容包括哪些？
