【判断题】During Chinese wedding ceremony, the new couple would kowtow three times respectively to worship the heaven, parents and spouse, which means that the spouse is equally respected as parents and nature.
【单选题】速度轮滑公路赛,男子42.195公里马拉松要达到三级运动员等级的时间是( )。
【判断题】客户生命周期是指从企业与客户建立业务关系到完全终止关系的全过程,是客户关系水平随时间变化的发展轨迹
【简答题】The new couple would drink __________ wine, symbolizing their integration.
【简答题】A.Because it would make the wedding less exciting. B.Because it would bring the new couple bad luck. C.Because it would bring the bride bad luck. D.Because it would be considered inappropriate by othe...
【简答题】如图:已知直棱柱ABC-A 1 B 1 C 1 中,∠ACB=90°,∠BAC=30°,BC=1,AA 1 = 6 ,M是CC 1 的中点.求证:AB 1 ⊥A 1 M.
【简答题】如图,在四棱锥 P - ABCD 中,底面 ABCD 是矩形, PA ⊥底面 ABCD , E 是 PC 的中点.已知 AB= 2, AD= 2 , PA= 2.求: (1)三角形 PCD 的面积;(6分) (2)异面直线 BC 与 AE 所成的角的大小.(6分)