第25题: [单项选择]We have a high regard for Prof. Joseph because he always ______ his principles. A. lives on B. lives up to C. lives down D. lives with 参考答案:B 答案解析:短语动词辨析题。选项[B]live up to意为“遵守,实践(诺言,原则)”;选项[A]live on意为“以…为生”;选项[C]live down意为“通过行动使人们原谅(或忘掉)(自己以往的过失