急性脓胸具有确诊意义的是A．胸痛、气促B．肋间饱满C．X线片示大片浓密阴影D．呼吸音 发布时间：2017-12-09 22:19 │ 来源：www.tikuol.com 题型：单项选择题 问题： 急性脓胸具有确诊意义的是A．胸痛、气促B．肋间饱满C．X线片示大片浓密阴影D．呼吸音减弱E．胸穿抽出脓液
题型：单项选择题 患者女，70岁，上下颌牙列缺失，行全口义齿修复，支架试戴正常，排牙充胶，采用微波聚合，戴牙时发现塑料基托与黏膜不密合，而金属基托未见异常。由于充填造成支架移位的原因是 （）A.装盒石膏包埋过多 B.支架焊接移位 C.塑料充填过早 D.塑料充填过迟过多 E.塑料充填时带入气泡 查看答案
题型：单项选择题 完形填空 "When a customer enters my store, forget me.He is King," said John Wanamaker.This revolutionary concept __1__ the face of retailing (零售业) and led to the development of advertising and marketing as we know it today. But convincing as that slogan was, in truth the shopper was cheated out of the crown.Although manufacturing efficiency increased the __2__ of goods and lowered prices, people still relied on advertisements to get most __3__ about products.Through much of the past century, ads spoke to an audience restricted to just a few radio or television channels or a __4__ number of publications.Now media choice has __5__ too, and consumers select what they want from a __6__ greater variety of sources-especially with a few__7__ of a computer mouse.Thanks to the Internet, the consumer is finally __8__ power. As our survey shows, customer __9__ has great implications for companies, because it is changing the way the world shops.Many firms already claim to be "customer__10__" or "consumercentered". Now their __11__ will be tested as never before.Taking advantage of shoppers' __12__ will no longer be possible: people will tell others, even those without the Internet, that prices in the next town are __13__ or that certain goods are inferior.The Internet is working wonders in__14__ standards.Good and __15__ firms should benefit most. ( )1. A.changed ( )2. A.quality ( )3. A.bargain ( )4. A.limited ( )5. A.disappeared ( )6. A.quite ( )7. A.clicks ( )8. A.losing ( )9. A.power ( )10. A.driven ( )11. A.information( )12. A.generosity ( )13. A.higher ( )14. A.raising ( )15. A.nice B. maintained B. variety B. certificate B. minimum B. existed B. little B. typists B. catching B. quality B. criticized B. investment B. knowledge B. unreasonable B. lowering B. honest C. restored C. weight C. change C. sufficient C. exploded C. far C. changes C. controlling C. package C. helped C. claims C. curiosity C. unfair C. abandoning C. new D. rescued D. price D. information D. great D. survived D. very D. designs D. seizing D. quantity D. chased D. shops D. ignorance D. cheaper D. carrying D. old 查看答案