具有发散风热升阳功效的药物是() ["A.柴胡、葛根、升麻","B.薄荷、蝉蜕、牛蒡子","C.羌活、防风、藁本","D.白芷、苍耳子、辛夷","E.桑叶、菊花、蔓荆子"]
正弦电流通过电容元件时,下列关系哪项是正确的?() ["

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地震作用下坚硬地基上的刚性结构易受到较大的破坏,这与下列()因素有关。() ["坚硬场地土地基地震作用强烈","刚性建筑抗震性能差","刚性建筑自振周期短","场地特征周期较短"]
治疗痰饮眩晕,首选的药物是() ["A.桂枝","B.麻黄","C.防风","D.香薷","E.紫苏"]
下列()方法可测试土的剪切波速。() ["单孔法","跨孔法","共振柱法","面波法"]
电容器开关跳闸如何处理?查不出故障怎么办?