道德品质通常也称为品德或品性,它体现一定社会或阶级的(),并具有稳定性和一贯性。
A、道德标准和准则
B、道德内涵和形式
C、道德原则和规范
D、道德行为和准则
参考答案:C
The student's mind is always _____ when he listens to his teacher. [ ]
A. wondering
B. wandering
C. wondered
D. wandered
状态监测仪表安装注意事项是什么?