下列哪类药物在小剂量时产生镇静,中剂量产生催眠作用,大剂量则产生全身麻醉作用() A 发布时间:2017-08-11 13:38 │ 来源:www.tikuol.com 题型:单项选择题 问题: 下列哪类药物在小剂量时产生镇静,中剂量产生催眠作用,大剂量则产生全身麻醉作用()A.硫喷妥钠B.氟哌利多C.地西泮D.苯二氮类E.巴比妥类
题型:单项选择题 He finally won the general election because many of his promises were quite popular _____ the voters.[ ]A. forB. inC. toD. with 查看答案
题型:单项选择题 RNA剪切酶是()。A.催化其他RNA分子进行反应的酶B.催化其他RNA分子进行剪切反应的R酶C.催化本身RNA分子进行剪切反应的R酶D.催化本身RNA分子进行剪接反应的R酶 查看答案