A:α<β<γ
B:α<γ<β
C:β<α<γ
D:γ<β<α
I'm not sure ______________ Lucy likes classical music or not.
小明的选择合理吗?从概率的角度进行分析(要求用树状图或列表方法求解)
①明辨是非,践行正义行为 ②换位思考,尊重社会规则
③尊重他人,增强自控能力 ④礼貌待人,注意自身形象
He looks sleepy. He must ____ last night, writing the essay.