4~7岁小儿每分钟呼吸次数约为()。 ["45~40","40~35","35~30","30~25","25~20"]
单击〈其它免征〉键,系统弹出菜单有以下选项()。 ["紧急车","国安车","统缴车","防汛救灾车"]
性激素的本质是() ["类固醇激素","含氮类激素","肽类激素","蛋白类激素","氨基酸衍生物"]
维也纳古典乐派的代表之一()的音乐具有明朗、欢快的情调,其富有成果的领域是交响曲、室内乐和清唱剧,代表作有:《伦敦交响曲》,清唱剧《创世纪》。 ["沃尔夫冈•阿玛德乌斯•莫扎特","弗朗茨•约瑟夫•海顿","路德维希•凡•贝多芬","弗朗茨•舒伯特"]
缪希雍创制的方剂是()绮石创制的方剂是() ["固体肾气丸","脾肾双补丸","八珍汤","牛膝散","四神丸"]
分配系数