【单选题】以下选项中,( )中的图形均是柏拉图体(即正多面体)。
A.
正四面体、正六面体、正八面体、正十面体、正十二面体
B.
正四面体、正六面体、正八面体、正十六面体、正二十面体
C.
正四面体、正六面体、正八面体、正十二面体、正二十面体
D.
正四面体、正六面体、正八面体、正十面体、正二十面体
【单选题】幼儿园一日生活应保教结合,对幼儿身心发展实施全面教育体现了教师在组织幼儿一日生活时,把握的()原则
【单选题】“希腊三贤”是指苏格拉底、柏拉图、亚里士多德,前者分别是后者的老师,他们三人在古希腊文学、艺术、哲学、教育等领域做出的非凡贡献至今影响着世界范围内的文学艺术发展方向。下列选项中,属于柏拉图的教育思想的是( )
B.
第一个提出完整的学前教育思想并建立了完整的教育体系的人。
【简答题】我们知道,每个有理数都可以用数轴上的点来表示。无理数是否也可以用数轴上的点来表示呢? (1)如图所示,直径为1个单位 长度的圆从原点沿数轴向右滚动一周,圆上的一点由原点到达点O′,点O′的坐标是多少? 从图中可以看出OO′的长时这个圆的周长______,点O′的坐标是 _______ 这样,无理数π可以用 数轴上的点 表示出来
【单选题】_______, he is always ________. [ ]
【单选题】― Why was he late again? ― He arrived at the station late. , he missed the early train. [ ]
【简答题】A.He is often late. B.He used to be on time. C.He is never late. D.He is always on time.
【单选题】The teacher asked Tom _________.
A.
why he was late for school
B.
why was he late for school
C.
why is he late for school
D.
why he is late for school
【单选题】The teacher asked Jim _______________.
A.
why was he late for school
B.
why he was late for school
C.
how he was late for school
D.
how was he late for school