A:Ba(OH)2溶液
B:AgNO3溶液
C:NaOH溶液
D:BaCl2溶液
My friend invited me ______ the Art Club , and I accepted it with pleasure.
北方地区流行的俗语:“人生有三宝,丑妻薄地破棉袄”从本质上反映了( )
若|a+3|+(b﹣2)2=0,则(a+b)2015的值为( )