保安过滤器压差≥0.05MP应更换滤芯.
参考答案:对
“Do you know his address?” “No, I also wish I _____ where he _____.”
A.knew, live
B.knew, lives
C.know, lives
D.know, lived
什么是对艺术存在的反思,对艺术的意义和价值的领悟和揭示()
A、反映论
B、艺术本体论
C、认识论
D、方法论