药物“七情”中配伍禁忌有()。 ["相须、相使","单行","相畏","相恶、相反","相杀"]
室内空气质量标准中苯、甲苯、二甲苯的首选测定方法是()。 ["分光光度法","气相色谱法","荧光光度法","电化学法","检气管法"]
某城市拟建设一座设计流量为5m3/s的雨水泵站,进入雨水泵站的雨水干管埋深为4m,泵站出水就近排入河道,则其水泵选型下列哪几项比较适合?() ["潜水轴流泵","潜水离心泵","潜水多级泵","潜水混流泵"]
银行卡代码可根据输入的()()()()回显。 ["卡种","卡别","卡BIN","卡介质","彩磁标志"]
最早用于中药储存中杀虫、杀霉的化学药剂是()。 ["磷化铝","硫黄","氯化苦","环氧乙烷","挥发油熏蒸技术"]
为什么说细菌无典型的减数分裂,但有性的差别?