将局麻醉药注射到神经干(丛)旁,暂时性地阻滞神经的传导功能,称为() A.局部浸润麻 发布时间:2018-06-24 21:17 │ 来源:www.tikuol.com 题型:单项选择题 问题: 将局麻醉药注射到神经干(丛)旁,暂时性地阻滞神经的传导功能,称为()A.局部浸润麻醉B.区域阻滞麻醉C.表面麻醉D.神经阻滞E.椎管内麻醉
题型:单项选择题 All these gifts must be mailed immediately _____ in time for Christmas.A. in order to have received B. in order to receiveC. so as to be received D. so as to be receiving 查看答案
题型:单项选择题 It is really a pity that I can not attend your wedding party this weekend. I _________ a very important international conference in Paris then.A.have attendedB.are attendingC.have been attendingD.will be attending 查看答案
题型:单项选择题 取三种植物的花瓣分别放在研钵中,加入酒精研磨,得到花汁。各取少许花汁,用稀盐酸和稀碱进行检验,结果如下表所示: 则下列说法不正确的是 [ ]A. 研磨花瓣时加入酒精是为了溶解其中的色素B. 遇到pH=10的溶液,大红花汁会变成粉红色 C. 万寿菊不能用作酸碱指示剂 D. 可用雏菊花汁来区别稀盐酸和氢氧化钠溶液 查看答案