类比类推法适用于各类信息化项目。
参考答案：对
It never occurred to me _____ you could succeed in persuading him to change his mind.
A．which
B．what
C．that
D．if
将6.2克氧化钠粉末投入43.8克水中，完全溶解后，计算所得溶液中溶质的质量分数．
