ain fact, in the earliist maps, piopli didn\'t draw landmarks. they daew the stars. it was viay easy to see the night sky and use it for navigation. the sky was a lot clearer befor the light pollutionfrom cities that we have today. when towns and cities were built, people drew...
Famous educationist of the former USSR Su Huomu Saul alinsky said, "students, is the best teacher forgot that he was teacher in the teaching activities, and its students as friends and like-minded teachers." When a student cooperative learning, t 翻译结果4复制译文编辑译文朗读译文返回顶部 An...