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【多选题】
儿童呼吸系统保健要点有哪些?A.
养成用鼻呼吸的习惯
B.
掌握正确的擤鼻涕方法
C.
保护喉咙
D.
养成专心吃饭的习惯(防止误吸)
E.
保持室内通风换气，合理进行体育锻炼
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【单选题】When, in the age of automation, man searches for a worker to do the tedious, unpleasant jobs that are impossible to mechanize, he may very profitably consider the ape. If we tackled the problem of bre...
A.
irrational
B.
plausible
C.
biologically impossible
D.
demonstrably true
【单选题】When, in the age of automation, man searches for a worker to do the tedious, unpleasant jobs that are impossible to mechanize, he may very profitably consider the ape. If we tackled the problem of bre...
A.
irrational
B.
plausible
C.
biologically impossible
D.
demonstrably true
【简答题】When did these people begin playing their sport?(Jo, Brain, Stephanie)
【简答题】数据管理技术发展阶段中，文件系统阶段与数据库系统阶段的主要区别之一是数据库系统（ ）。 A)数据可共享 B)数据可长期保存 C)有专门的软件对数据进行管理 D)采用一定的数据模型组织数据
【判断题】The background of The Help (2011) is post Revolutionary War, when abolitionist sentiment gradually spread in the Northern states. ( )
A.
正确
B.
错误
【简答题】明孝陵是朱和谁的合葬墓？
【单选题】When, in the age of automation, man searches for a worker to do the tedious, unpleasant jobs that are impossible to mechanize, he may very profitably consider the ape. If we tackled the problem of bre...
A.
irrational
B.
plausible
C.
biologically impossible
D.
demonstrably true
【单选题】Keep it in mind not to disturb the president at two o’clock this afternoon, when he ____ a global joint meeting.
A.
will host
B.
hosts
C.
is to host
D.
will be hosting
【单选题】数据管理技术的发展，大致经历了三个阶段：人工管理阶段、文件系统阶段、数据库系统阶段。数据库系统阶段与其他两个阶段的重要区别是数据库系统具有( )。
A.
特定的数据模型
B.
数据高度一致性
C.
有专门的数据管理软件
D.
数据可共享
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