A:2吨
B:3吨
C:4吨
D:8吨
in on after at to with
Zhu Zhiwen is one of my favourite farmer________.
①0.1mol/L的氨水可以使酚酞试液变红
②0.1mol/L的氯化铵溶液的pH约为5
③在相同条件下,氨水溶液的导电性比强碱溶液弱
④铵盐受热易分解.
“将心比心”是调节情绪、解决人与人之间矛盾的重要方法。该方法属于( )