【判断题】吡唑酮衍生物可以作为偶合组分与重氮盐发生偶合反应。
【单选题】下列不属于资本“三原则”的是______。
【单选题】Which description about the stove is not true?
A.
It’s as white as snow.
C.
It has a brass stomach.
【判断题】硅管的死区电压约为0.5V,锗管约为0.1V。
【判断题】吡唑酮衍生物可以作为偶合组分与重氮盐发生偶合反应
【判断题】吡唑酮衍生物可以作为偶合组分与重氮盐发生偶合反应
【单选题】A stove is not up-to-date unless it has a mechanism ______ controlling the temperature.