单项选择题
A.铁B.银C.铜
Before interview ，preparing to answer typical questions...
判断题Before interview ，preparing to answer typical questions will help relieve your anxiety.
A service provider who lies is behaving unethically.（）
判断题A service provider who lies is behaving unethically.（）
A proposal is a formal report that describes a problem ...
判断题A proposal is a formal report that describes a problem and recommends a solution.（）
