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【单选题】
某患者,30岁,患心脏病,现妊娠20,心功能Ⅱ级,下述哪项处理不妥( )
A.
增加产前检查次数
B.
避免情绪激动
C.
立即终止妊娠
D.
给低盐饮食
E.
预防上呼吸道感染
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【简答题】What does the author think about the processes of the paperless office environment in com-parison with the paper-full office environment?
【简答题】It is implied that the concept of the paperless office is now adopted on a______scale.
【单选题】下列有关电磁波的说法,正确的是(  )
A.
可见光是电磁波
B.
超声波是电磁波
C.
电磁波不能在真空中传播
D.
电磁波在空气中的传播速度为340m/s
【单选题】If all business goes paperless, at least one million tons of paper will be ______ a year. [     ]
A.
used
B.
saved
C.
copied
D.
offered
【单选题】某干管的设计输水流量是0.37m 3 /s,取经济流速为1.3m/s,则可选取的管径为( )。
A.
600mm
B.
200mm
C.
1.2m
D.
都可以
【单选题】以下四项中,不包括在数据库维护工作中的是( )。
A.
故障维护
B.
定期维护
C.
设计关系模型
D.
日常维护
【单选题】What does the author mean by 'irony of the information age'?
A.
The dream of the 'paperless' office will be realized.
B.
People usually prefer to have face-to-face meetings.
C.
More digital data use leads to greater paper use.
D.
Some people are opposed to video-conferencing.
【单选题】Questions 下列各are based on the following passage. The 'paperless office' has earned a proud place on lists of technological promises that did not come to pass. Surely, though, the more modest goal of h...
A.
It is the key to paperless office.
B.
It will be replaced by the computer soon.
C.
It is more troublesome than the computer.
D.
It can hardly survive in the digital age.
【单选题】以下四项中,不包括在数据库维护工作中的是()。
A.
故障维护
B.
设计关系模型
C.
定期维护
D.
日常维护
【单选题】______the paperless management is widely used now, some important files are still kept as hard copies.
A.
Although
B.
When
C.
Because
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