从教育学的角度来研究，师生关系主要是一种（ ）。

(单选题)______I could express my thanks to the traveler, he had alre (单选题)—We are worried about Tom. Why hasn’t he come back？—Don’t wo (单选题)______ to nuclear radiation, even for a short time, may infl (单选题)I was lucky to be given an opportunity ______ I could put wh (单选题)Ture happiness does not ______ the possession of money, but (单选题)I ______ for Shanghai this Saturday, so I want to knew when (单选题)In order to promote and protect human rights, all countries (单选题)在思想上把事物的本质属性、特征抽取出来，并区别其他属性、特征的思维过程称作（ ）。 (单选题)下列心理现象中，不属于学习的是（ ）。 (单选题)学生小文会正确运用公式U=I*R来对串联、并联电路的U、I或R求解，这说明学生小文处于智慧技能层次中的（ ）阶段。