公元97年,东汉的班超曾派人出使欧洲强国“大秦”。东汉和“大秦”都创造了辉煌的文化。属于他们的文化成就分别是( )
A:活字印刷术、万有引力定律
B:《九章算术》、罗马法
C:蔡伦改进的造纸术、日心说
D:《春秋繁露》、《理想国》
为了便于运输,瓜农将瓜田里幼小的圆形西瓜套在方型筐内,收获了方型西瓜,这种现象属于( )
35 ____ 1315 512 ____ 720 56 ____ 49
38 ____ 924 1112 ____ 54 518 ____ 712
根据图画提示完成对话
Mike is a very cool boy. He very likes Chinese food. He likes ____, but he can't use ____. Mike's friend Wu Yifan lies ____. He can use ____ and ____now. Their teachers Miss White is beautiful . She likes ____and ____. She can use ____.