有一个大学同学,公司准备搭建大数据平台,他们一定遇到了什么需求场景( )。
A. 报表分析
B. 分析决策支撑
C. 用户行为特征分析
D. 实时事务处理
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以下哪一些是数据仓库的基本特性( )
A. 面向主题
B. 相对稳定
C. 反应历史变化
D. 提供实时数据服务
Studying in a foreign country is certainly a new 1 , but it also has some challenges for you. You will have difficulty in 2 to a new culture. There will be at least four essential stages of culture shock adjustment.The first stage is “the honeymoon”, when you will feel 3 about the new place. You will find everything and everybody so wonderful.The second stage is the “hostility stage”. You feel 4 and distressed about everything that seemed to be so wonderful at first. At this stage you develop various 5 mechanisms to protect you against the effect of culture shock. But these defense mechanisms can 6 you because they prevent you from making necessary adjustments to the new culture.The third stage of culture shock adjustment is called “ 7 ”. At this stage you recover from the __ 8 of the first two stages. The whole situation starts to become more 9 . You learn to accept the elements of the new culture.The last stage is called "adjustment". Now you feel 10 with the new culture and you have adjusted to it.注意:填字母,不填单词A) recoveryB) harmC) excitedD) comfortableE) experienceF) defenseG) symptomsH) unfavorableI) exhaustedJ) helpK) favorableL) troubleM) adaptingN) overcomeO) enjoy
关于胎盘早剥,下列叙述正确的是( )。
A. 孕妇贫血程度与阴道出血量成正比
B. 以无诱因、无痛性反复阴道流血为特征
C. 是妊娠早期的一种严重出血性并发症
D. 确诊后可选择期待疗法
E. Ⅲ度胎盘早剥孕妇的子宫硬如硬状,有压痛
孕妇诊断完全性前置胎盘,终止妊娠最主要的方法是( )。
A. 剖宫产术
B. 阴道自然分娩
C. 阴道分娩行会阴侧切术
D. 阴道分娩产钳助产术
E. 阴道分娩胎吸助产