主页
学科
搜索
账户
常见问题
当前学科：中医临床三基（护士）
题目：
单选题
半衰期为4小时的药物连续给药达到稳态血药浓度的时间为（）
A
8小时
B
10小时
C
15小时
D
20小时
E
40小时
答案：
<查看本题扣1积分>
查看答案
答案不对？请尝试站内搜索
推荐知识点:
纵倾、舵角对船舶保向性的影响是（）。
回答题Never laugh at a snow covered mountain! Laughter and yelling, during the avalanche season, can cause a deadly pile of snow．Huge snow slides are most common in mountains where there are steep slopes that are well buried in snow and ice．The snow builds up slowly and lands very softly．This can create a very touchy, unstable situation．Tons of snow may be held up by only the friction between snowflakes．The deep snow is like a house of cards．The slightest movement can cause it to fall．As soon as something slips, this great mass of snow will come crashing down the mountainside．Slides may be started by sound vibrations．They may also be started by the weight of wet, melting snow．Once an avalanche has been triggered, the cause no longer matters．Moving down a steep slope, it picks up great speed and added snow．Some avalanches travel as fast as two hundred miles per hour．The force of an avalanche will mow down anything in its path．Whole houses have been swallowed up by these fast-paced piles of snow．The wind that is caused by an avalanche is almost as destructive as the snow itself．Winds from an avalanche have been known to travel as fast as those of a tornado．So, when approaching a thickly snow covered mountain, speak softly!Avalanches can be started by________
公司的发起人、股东虚假出资的，处以公司（）5%以上15%以下的罚款。
对发、输、变、配、用设备运行进行控制的系统称为（）。
脑科学最新研究成果显示，因学习而产生的“西塔波”可促进脑神经细胞生成，从而使“大脑越用越灵”的观点有了确切的科学依据。“大脑越用越灵”的事实表明（）
山水画有哪几种透视方法？这几种方法方法有何审美特点？可以混合运用吗？
重力式码头主要由哪几部分组成？ 重力式码头施工顺序如何？ 对用于基床抛石的石料质量有什么要求？
在“http：//www.Nhaidu.com/index.html”中，“index.html”属于（）。
含维生素C较多的蔬菜是辣椒、甜椒、绿菜花、紫甘蓝等。
术前使用抗生素，下列做法错误的是（）