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【单选题】
As to education, the enlighteners thought that ...A.
a human beings were limited, dualistic, imperfect, and not capable of rationality and perfection through education.
B.
universal education was unnecessary.
C.
if the common people were well educated, there would be great chance for a democratic and equal human society.
D.
most of the human being were perfect themselves, so only a few needed further education.
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反馈参考答案：
举一反三
【多选题】通信系统的分类方式有多种,按传输媒介来分,通信系统可分为 __________ 和 __________ 。
A.
光缆通信
B.
电缆通信
C.
有线通信
D.
无线通信
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