A:香兰素的化学式为C8H8O3
B:能与Na2CO3和NaOH溶液反应
C:1 mol香兰素只能与含1 mol Br2的溴水反应
D:能使酸性高锰酸钾溶液褪色的官能团有羟基和醛基
My grandfather is fond of talking about the good old days, ___ is often the case with old people.
由四舍五入法得到的近似数8.8×103,下列说法中正确的是( )