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【单选题】
数据库应用系统设计的需求分析阶段生成的文档是数据字典和A.
数据流图
B.
E-R 图
C.
功能模块图
D.
UML 图
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举一反三
【简答题】物联网的英文名称是The Internet of Things,其定义是通过传感器、视频识别(RFID)、红外感应器、全球定位系统、激光扫描器等信息传感设备,采集其力、热、声、光、电、磁、化学、生物和位置等各种需要的信息,按约定的协议,实现物与物、物与人、所有的物品与网络的连接,进行信息交换和通信,以实现对物品的 (________) 、定位、跟踪、监控和管理的一种网络。
【简答题】将下列内容与对应的民族连接起来( )
【简答题】万物靠太阳生长。 All living things ________ ____ the sun _____ _________.
【简答题】将下列内容与民族对应起来:
【单选题】Smoking, ____ some smokers, might ease their anxiety sometimes, but ____ the addiction caused by their constant practice, it is really hard to give up.
A.
according to; due to
B.
according to ;because
C.
as to; since
D.
thanks to;if
【单选题】听力原文： Many people suffer from some form. of extreme anxiety. Some experience occasional attacks of panic for no apparent reason. Others go around in state of continual uneasiness. The usual way of con...
A.
They help to cure anxiety.
B.
They help gain insight into the cause of anxiety.
C.
They help to control anxiety.
D.
They help patients to work efficiently.
【单选题】听力原文： Many people suffer from some form. of extreme anxiety. Some experience occasional attacks of panic for no apparent reason. Others go around in a state of continual uneasiness. The usual way of c...
A.
They help to cure anxiety.
B.
They help patients to gain insight into the cause of anxiety.
C.
They help to control anxiety.
D.
They help patients to work efficiently.
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