“老刘老刘食量大如牛，吃个老母猪不抬头”出自《红楼梦》谁之口？

单项选择题Which of the following is NOT mentioned as a feature of an effective sentence? A、Unity B、Variety C、Coherence D、Vividness

单项选择题W酒店、威斯汀都是哪个集团旗下的品牌？