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高等继续教育 / 药理学(基础医学)

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题型描述: 单选题
斑疹伤寒首选：
A.四环素
B.多粘菌素
C.链霉素
D.磺胺嘧啶

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药理学(基础医学)

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佳题速递：

如图所示电路，①电路的输入电阻是多大？②输出电阻是多大？模拟电子

For many people today, reading is no longer relaxation. To keep up their work they must read letters, reports, trade publications, interoffice communications, not to mention newspapers and magazines: a never-ending flood of words. In getting a job or advancing in one, the ability to read and comprehend quickly can mean the difference between success and failure. Yet the unfortunate fact is that most of us are poor readers. Most of us develop poor reading habits at an early age, and never get over them. The main problem lies in language itself—words. Single words have little meaning until they are combined into phrases, sentences and paragraphs. Unfortunately, however, the untrained reader does not read groups of words. He reads one word at a time, often regressing to reread words or passages. Regression, or looking back over what you have just read, is a common bad habit in reading. Another habit which slows down the speed of reading is vocalization—sounding each word either orally or mentally as one reads. To overcome these bad habits, some reading clinics use a device called accelerator (加速器), which moves a bar down the page at a predetermined speed. The bar is set at a slightly faster rate than the reader finds comfortable, in order to “stretch” him. The accelerator forces the reader to read fast, making word-by-word reading, regression and vocalization virtually impossible. At first, comprehension is sacrificed for speed. But when you learn to read ideas, you will not only read faster, but your comprehension will improve. Many people have found their reading skills improved a lot after some training. Most people can’t read and comprehend quickly mainly because _ _ _ _ _ _ _ _ _ _ . 大学英语（三）

对组织管理和变革发生影响的外部环境包括：_______________。行政组织学

在EBSCOhost检索系统中，字符“?”与字符“*”有什么区别？信息检索

关于人力资源规划的具体作用，下面描述正确的是（）。战略与人力资源规划

1[计算题] 某公司对A项目有甲、乙两个方案，投资额均为20000元，其收益的概率分布如下。经济情况概率（Pi）收益额（xi）（元）甲方案乙方案好 P1=0.25 X1=3000 X1=4000 一般 P2=0.50 X2=2000 X2=2000 差 P3=0.25 X3=1500 X3=0假定无风险收益率为5%，风险报酬斜率为0.08，试计算：（1）甲、乙方案的预期收益；（2）甲、乙方案的标准差及标准差率（3）甲、乙方案应得风险收益率（4）甲、乙方案预测风险收益率并作出投资抉择财务管理学