【单选题】What is involved when a hydrogen bond is formed between two molecules? 1a hydrogen atom bonded to an atom less electronegative than itself 2a lone pair of electrons 3an electrostatic attraction betwee...
【简答题】Fill in the blank in each of the following sentences with a suitable preposition or adverb. 1. In fact everything he does is opposite ______ what is considered normal behaviour. 2. ______ her own poin...
【多选题】以下表述正确的有:
A.
“将上堂,声必扬。”将要上堂,必先发声示意,不要蹑手蹑脚。
B.
“户外有二屦,言闻则入,言不闻则不入”。看到房门外有两双鞋,如果听见有人说话就进去,听不到有人说话就不进入。
C.
《弟子规》中有“或饮食,或坐走,长者先,幼者后”,是说餐饮开始以后,要由年长者最先举筷,并且品尝宴席菜肴的第一口后,其他人才能举筷开始吃菜。
D.
饮食有序的礼仪,最核心的精神是体现出对长者的尊敬。《论语•乡党》曰:“乡人饮酒,杖者出,斯出矣。”在古人的“乡饮酒”礼中,作为晚辈,要尊重长辈。酒席散后,要等候长者先离开以后,晚辈才能有秩序地退场。
【简答题】第9章1. Why emperors Constantius II and Constans issued a law that prohibited same- marriage?2. Which country first enacted a law to provide for same- marriage?3. What are the ways to make same-se...
【简答题】Read the textbook passage. Then, choose the correct answers. 1 What is the passage mainly about? A The history of railroad blocking systems. B How automatic blocking systems work. C A comparison of ma...