人民警察内务建设的原则是高效务实、加强监督、着眼基层。 ( )
参考答案：对
--Every time the exam is over, I will the results.
--Take it easy! Grades are not our whole life.
A. be worried about B. be pleased with C. be good at
银行汇票的实际结算金额低于出票金额的，票据无效。( )
