王某交付胡某人民币1万元，约定当甲股票价格低于10元时，则委托胡某买进该股票。该约定 发布时间：2017-12-16 18:48 │ 来源：www.tikuol.com 题型：单项选择题 问题： 王某交付胡某人民币1万元，约定当甲股票价格低于10元时，则委托胡某买进该股票。该约定属于() 。A．附生效条件的合同B．附失效条件的合同C．附生效期限的合同D．附解除期限的合同
题型：单项选择题 At an Expo-themed forum in Shanghai's Yangpu District, Governments were also urged _____ a good job in protecting local old buildings and culture while pursuing social and economic development.A. doing B. having done C. to be done D. to do 查看答案