把对集体的管理和对个人的管理结合起来的班级管理方式属于(）。
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西周以后，学校教育制度发展到比较完备的形式，建立了（）的官学体系。
It can be inferred from the passage that by the end of World War II, most Americans
A. were very rich
B. lived in poverty
C. had the good things on the first three levels
D. did not own automobiles
A. protected B. done C. made D. rewarded
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