正方体的棱长扩大3倍,棱长和扩大____倍,表面积扩大____倍,体积扩大____倍。
——I am going to take this summer holiday in Taiwan.
——Oh, really? Taiwan is ______ a beautiful island that ______ people in Guangdong go to visit it every year.
1087年,北宋政府在泉州设立的海外贸易管理机构是( )