There was once a lonely girl who wanted love very much．One day while she was walking in the forest，she found two birds．She took them home and put them in a small1．She was happy to have two“friends”．She2them with love and the birds grew strong．One day the girl forgot to close the door of the cage．The 3of the two flew out of the cage．The girl was afraid that it would fly away．She caught it quickly．She felt glad that she caught the bird before it could fly away．Suddenly she couldn’t4a sound from the bird．When she opened her hand，the bird was already（已经）dead．Her5killed(杀死)the bird! Then she saw6bird jumping up and down7the cage．She could feel its great need for freedom．It wanted to fly into the blue sky．So she let it fly away8．The bird circled(转圈)once，twice，and three times．The girl9as the bird flew．She didn’t care about losing the bird any more．She wanted it to be happy．Suddenly the bird flew closer and landed softly on her shoulder．It sang the10song she had ever heard(她所听过的)．
The fastest way to lose love is to hold it too tightly，and the best way to keep love is to give it wings．

海马用鳍辅助运动，用鳃呼吸，有由脊椎构成的脊柱，而且终身生活在水中．据此可以判断海马和下列哪一种动物属于同类（　　）

李世民发动玄武门之变，杀皇太子李建成，逼父皇李渊退位，李世民违反了
① 孔子的“礼” ② 董仲舒的三纲五常 ③ 宗法制 ④ 孟子的“民贵君轻”思想

1月27日的国务院常务会议再次聚焦中国制造，决定推动《中国制造2025》与“互联网+”融合发展。会议提出，设立“中国制造2025”专项资金，启动一批重大标志性项目和技改工程。设立中国制造专项资金是因为（　　）

①借力互联网，转变生产模式和商业模式，向智能制造升级

②依靠投资驱动、大规模生产低附加值产品的模式已经难以为续

③发挥货币政策的作用助推经济转型升级发展

④缓解广大制造企业融资难问题，提高经济效益。