对映异构体之间具有相反活性的是() ["普罗帕酮","盐酸美沙酮","依托唑啉","丙氧芬","氯霉素"]
治疗缺血性中风肝肾阴虚,肝风内动型,应首选()。 ["镇肝熄风汤","天麻钩藤饮","星蒌承气汤","二陈汤合桃红四物汤","补阳还五汤"]
肺阴虚、肝阴虚、肾阴虚的共有症状是() ["潮热盗汗","五心烦热","眼目干涩","遗精","脉细数"]
由于不同递质对突触后膜通透性影响的不同,突触后电位的类型包括() ["兴奋性突触后电位和局部电位","抑制性突触后电位和局部电位","兴奋性突触后电位、抑制性突触后电位和局部电位","兴旮性突触后电位或抑制性突触后电位","兴奋性突触后电位和抑制性突触后电位"]
主通风机司机发现有哪些情况时,允许先停机后汇报?
综掘机维修工操作前应做哪些准备工作?