发包人或者工程师的签证可以作为索赔的（）。 ["证据","无关资料","旁证","参考"]
Given: What is the result?（） ["Compilation fails.","An exception is thrown at runtime.","The code executes normally and prints "foo".","The code executes normally, but nothing is printed."]
课题研究方法有（）、（）、（）、（）、（）、（）。
液化石油气钢瓶充装后，由质量检查员（）进行质量称检复验，复验结果和检查员姓名等内容要如实记录到钢瓶检查登记表中。 ["随机抽查","逐批抽查","按比例抽查","逐只"]
A retail customer has a database application that is accessed by a large number of people through a web interface from multiple remote locations. Which questions will provide the information necessary to design the best performing storage solution of the following？（） ["How many web servers will be connected to the database？","How many concurrent applications will run against the database？","How many concurrent users will be accessing the database？","What are the types of transactions run against the database？"]
试述现代城市发展的趋势？
