我国纬度位置最高的省级行政中心是（　　）

   Mr. Smith is an English teacher. He comes from America. He has a daughter. Her name is Amy, and she is a good engineer in New York. Mr. Smith likes traveling very much, and he can speak Spanish very well. Now, he is in China, so he wants to learn some Chinese. He works very hard at his Chinese, and goes to Chinese classes every evening. He has a lot of friends in China and they often help him. He likes to talk with them. He tells his daughter that he can speak good Chinese, and he doesn’t have any trouble（麻烦） with his Chinese, but the Chinese have a lot.

电视节目《中国诗词大会》开播以来，在荧屏内外掀起了人们一波波诵读传统诗词经典的热潮，折射出人们对中华文化的重视。这是因为中华文化______。（    ）

①是中华民族共有的精神家园                          ②是维系中华民族发展的重要因素

③越来越成为综合国力竞争的决定性因素      ④越来越成为民族凝聚力和创造力的重要源泉

小亮发现教室中一个开关可以同时控制两盏额定电压为220V的灯，并且这两盏灯能正常发光，请你在图中画出电路的正确连接情况．