单项选择题按照( )大致可以将旅游业分为旅游特征产业、旅游相关产业、其他产业三个层次。 A. 旅游活动的关联程度 B. 业务种类划分 C. 供应链角度 D. 旅游服务的类别
单项选择题《捣练图》和《虢国夫人游春图》都是唐代画家张萱的作品。 A、正确 B、错误
单项选择题下列对于普通话概念的表述正确的是: A、以北方语音为标准音 B、以北京话为基础方言 C、以典范的白话文著作为语法规范 D、是现代汉民族共同语
单项选择题伦人的生命包很稳定是由于它的第三层最大的特点是亲属成员至高无上。
单项选择题In which sentence, the meaning of “be hand in glove with” is different from that in other sentences? A、They hope to be hand in glove with the investors to solve the problems. B、He was found to be hand in glove with the enemy. C、Several high-ranking diplomats were found to be hand in glove with enemy agents. D、Every official is hand in glove with him.