用标准差的倍数或说明了置信水平的区间的半宽表示的测量不确定度，称为( )。A．标准

在图所示的电路中，电源电压保持不变，R₁为定值电阻。闭合电键S，当滑动变阻器的滑片P向右移动时，电压表V₂的示数将      ；电压表V₁示数与电流表A示数的比值将      。（均选填“变大”、“不变”或“变小”）

根据短文内容判断下列句子的正（T）误（F）。

     Almost (几乎) everyone knows the meaning of Mr, Mrs and Miss. People use Mr. With men's last names.

And Mrs is for married (已婚的) women and Miss is for single (单身的) women. But what is Ms?

     For some time, people in the USA use Ms before a woman's name when they don't know whether (是否)

the woman is married or not. Today many people like to use Ms. Some women feel that it is not important for

people to know whether they are married or not.

    There are some problems with Ms. Not all women kike it. Some like the old ways of doing things, They

find it hard to pronounce (发音) the word. But young people like it.

( )1. People usually use Mrs before single women's names.                      

( )2. Mary is a married woman. So when we meet her, we can call her Miss Mary. 

( )3. Not all women like the word "Ms".                                        

( )4. Some women find that the word "Ms" is difficult to say.                   

( )5. Now young people like to use Ms.                                         

酒精具有刺激和兴奋中枢神经的作用，当人们把酒漫饮低酌的时候，这种刺激作用就会由缓到烈逐渐发生，使人的思维逐渐兴奋起来，从而产生创作的灵感。

32岁妇女，月经量增多2年余，来诊无痛经，经期周期均正常，孕2产1。末次妊娠一年前。妇科检查：宫颈光滑，无接触性出血，子宫体稍大，曾服中药，无压痛。诊刮术中感宫腔内有阻挡。此患者经量增多最可能的疾病是()

A．子宫浆膜下肌瘤

B．子宫肌瘤

C．子宫内膜结核

D．子宫颈癌

E．子宫内膜癌

横向延伸、纵向细分，不断提升物流服务功能 某储运公司为了扩大业务，发展经济，他们在现代物流经营理念的指导下，从实践中摸索出一套行之有效的发展途径。他们通过横向延伸、纵向细分的方法，增强了市场竞争力。具体做法：横向延伸，即公司根据自身经营条件，经营业务从生产资料向以工业原料、消费品为主的综合物料扩展。过去以储运钢材为主，业务单一。我国加入WTO后，国外的原材料大量进入我国市场，为适应新的物流需求，该公司加大对纸类、塑化产品的开发力度，其后他们又引进了中烟国际货代公司的烟草资源，为公司开辟了新的创收渠道；纵向细分，即将服务范围从单纯的仓储，逐渐向商贸、报关、商检、保险、包装、分拨、配送、物流方案设计、信息咨询等方面细分，呈现出多元化的物流服务特点。 请分析下列问题：

你认为该公司有哪些经验可以学习和推广？