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计算机辅助教学始于( )
A、19世纪70年代
B、20世纪50年代
C、20世纪70年代
D、19世纪50年代
时间：2021-09-01 21:07
关键词：
联大
河南师范大学
计算机科学与技术
教材教法
答案解析
B
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boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
A cabinet or space containing the controls or valves for the fixed firefighting system must be（）.
计算机辅助教学始于( )
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在500名病例与500名对照的匹配病例对照研究中，有400名病例与100名对照具有暴露史。据此资料，计算OR值为（）
Mainly east 3 or 4 partly cloudy to overcast occasional rain（）slowly south moderate or good.
病例对照研究进行统计性推断时不匹配分层资料总的OR值计算公式是
（）any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local quarantine officer must be notified immediately．
Should any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local Quarantine Officer must be（）immediately.
已知A=40；B=30；C=100；D=50，逻辑“与”运算符为and，“或”运算符为or，“非”运算符为not。计算表达式（A>B+20）or（B+60
Masters are（）solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
If he is a common carrier，he is absolutely responsible to the owner of the goods carried （）any loss or damage to them unless caused by an Act of God or the Queen’s enemies，or the inherent vice in the goods themselves，or the negligence of the owner of the goods，or a general average sacrifice.
系统中雷达状态包括Unknown、Operational（or ON）、Failed（or OFF）、Detached。
Owners are to be responsible for loss of or damage to the goods or delay in delivery of the goods only in case the loss，damage or delay has been caused by the improper or negligent stowage of the goods．This means that（）.
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