【简答题】Why do we laugh? For years scientists have asked themselves this question. No other animals laugh and smile, only human beings. So does laughter help us to survive in any way? The answer seems to be t...
【简答题】Translate the following passages into English. 未来中国经济的稳定器和动力源作用更加凸显。当前世界经济增长动力不足,稳健的中国经济对世界越来越重要。中国经济正由高速增长转向高质量发展,新型工业化、信息化、城镇化、农业现代化加快推进,经济结构深度调整,产业优化持续升级,新经济增长点不断涌现。 2018 年,中国常住人口城镇化率达到 59.6% ,未来人口...