下图是小芳同学探究“平面镜成像的特点”实验装置，回答下面问题：

    I live in a nice new building in Beijing. It is very tall. It has eighteen floors. There are about eighty families in the building. That is to say (也就是说), about two hundred and forty people live in the building.

    My home is on the twelfth floor. We have two bedrooms and a living room. They are big and clean. There are a lot of big trees and beautiful flowers around our building. I like looking out of the window in my room. I can see cars and buses running in the street. I can see people walking in the street, too. They look so small! I can also see a lot of tall buildings. How beautiful Beijing is! I am happy to live in this nice, new and tall building.

发展经济、深化改革，就是要让劳动者有奔头、有更多人生出彩的机会。2015年以来，我国不断释放改革红利，大力营造有利于创业创新的体制机制环境，点燃创业创新激情。对此，我们劳动者应该（    ）

①参与制定促进就业和鼓励创业的方针②把握机遇，转变观念，坚持多种方式就业③积 极响应国家号召，依靠国家安排就业④不断提高自身的技能和素质，实现自主创业

乾隆皇帝为巩固统一的多民族国家做出了许多贡献，他自称有“十全武功”，下列属于“十全武功”之一的是（     ）