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【简答题】
教育技术是20世纪初期从美国的视听教育运动中演变而来的,由一个教学实践领域逐渐发展成为一门学科。除了视听教育,教育技术的发展历史还包括了_______和系统技术的形成和发展。
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举一反三
【单选题】When asked how to revise the plan, he _______ his own opinions and suggestions.
A.
held up
B.
turned out
C.
took on
D.
set out
【单选题】...which assumes he public is thinking in red, white, and blue, when actually the spectrum of emotions, ideas,, and opinions is, like America itself, _____.
A.
colorful
B.
multihued
C.
multi-colored
D.
various
【单选题】6502电气集中的选岔网路采用( )。
A.
串联传递
B.
并联传递
C.
串并联传递
D.
上下传递
【简答题】6502电气集中为防护选岔网络产生迂回电流和串电现象而错误选路,在选岔电路中采用了()、()、()和()的措施进行防护。
【判断题】James collected primary data when he distributed a survey to dorm residents to discover their attitudes and opinions on campus life.
A.
正确
B.
错误
【简答题】6502电气集中的选岔网路采用( )。
【简答题】Fill in the blanks while listening. A recent report has criticized the use of management speak in companies. But what is management speak and is it always a bad thing? In this interview, we look at th...
【判断题】When we write, our own opinions and ideas should not be put into the summary.
A.
正确
B.
错误
【简答题】6502电气集中,选排接车进路时,为什么不能采用进站信号机内方无岔轨道区段的IAGJ后接点切断第10网络线KF电源,而要采用其复示继电器的后接点?
【简答题】质量传输可以分为 和 两种基本方式。
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