五行中“金”的特性是()
A.炎上
B.润下
C.稼穑
D.曲直
E.从革
参考答案：E
— Would you like to tell me about travel?
— OK. I really experienced ____. [ ]
A. interesting something
B. something interesting
C. anything interesting
D. nothing interesting
目前，90%以上的液压系统采用（）。
A、合成型液压油
B、石油型液压油
C、乳化型液压油
D、磷酸脂液
