()是测硫醇最简便而常用的方法。
A.溴酸盐法
B.酸滴定法
C.碘量法
D.重氮化法
参考答案:C
— I answer this question in English?
—No, you . You answer it in Chinese. [ ]
A. May, needn't, can
B. Must, needn't, may
C. May, mustn't, could
D. Must, mustn't, can
郑成功收复台湾后不久病逝,继承他的人是()
A.施琅
B.郑芝龙
C.郑克塽
D.郑经