1954年9月，王爷爷作为人民代表，到北京参加一次全国性的重要会议。他亲历的活动可能是（    ）

阅读理解

    What's your hobby? Reading，playing sports or going to the movies?Hassan has an interesting hobby．He likes collecting tropicalfish(收集热带鱼)! He keeps this hobby for 7 years．Now he is 14．There is a big aquarium(养鱼缸)in his room．It is from his parents for his 13th birthday．There are many fish in it．All of the fish are cute and beautiful．

    Hassan often travels around the world(周游世界)with his family．He loves it because he can see the underwater world in many places．He always loves the colorful underwater world．Under the water,he can see lots of tropical fish．Sometimes he can see sharks(鲨鱼)．He wants to keep one or two small sharks in an aquarium,but he can't do it at home．So Hassan goes to help in the zoo on the weekend．There he can see a lot of sharks and some other big fish．Hassan likes working in the zoo，because he can work with his favorite animals and leam more about them．

根据材料内容选择最佳答案。

据报道，2014年5月17日上午，海南热带特色水果节在西安开幕．水果节现场，共展出了13类36个品种26吨的海南精品热带水果．西安已成为海南热带特色水果在西北地区的最大集散地．水果是否属于光源？游客们能看到各类水果是因为光的什么现象？

_________ is my grandma.

温江区区委十四届二次全会明确了温江建设“健康产业高地、宜业宜居宜游国际化都市新区”的发展定位。一个城市要想可持续发展，“宜业”是支撑，产业是基減，温江要积极构建现代产业体系。同时，一个城市承栽着人们对美好生活的向往，温江就必须从环境、服务、人文、民生和安全建设等方面着手，坚持以人的“宜居”为核心，建设“宜居之城”。