易引起二重感染的药物是() ["四环素","红霉素","青霉素","SMZ","TMP"]
潮差
红霉素的作用机制是()。 ["与核糖体70S亚基结合,抑制细菌蛋白质的合成","与核糖体30S亚基结合,抑制细菌蛋白质的合成","与核糖体50S亚基结合,抑制细菌蛋白质的合成","抑制细菌DNA的复制导致细菌死亡","抑制细菌细胞壁的合成"]
能特异性地抑制甲型流感病毒的药物是()。 ["碘苷","阿昔洛韦","金刚烷胺","齐多夫定","利巴韦林"]
在纯电阻交流电路中,其电路特性为() ["将电能转换后消耗","电压与电流相位相差90度","与电源产生能量交换","电压与电流同相"]
简述决策方案内容。