以下有关京杭大运河的说法哪些是对？
A. It is the earliest, greatest and longest artificial river in the world.
B. The Grand Canal started in Beijing and ended in Hangzhou, which has a history of over 2,500 years.
C. The Grand Canal links the two longest rivers in China - the Yellow River and Yangtze River.
D. The total length of the Grand Canal is 1,794 kilometers
中国杭州西湖文化景观哪一年被列入《世界遗产名录》？
A. 2009
B. 2011
C. 2010
D. 2012
Which city is the birthplace of Liangzhu Culture?
A. 西安
B. 余姚
C. 杭州
D. 开封
20世纪20年代哈佛大学教授________在著名的“霍桑试验”中提出的“人群关系理论”、“行为科学”,是人性文化逐渐抬头的有力体现.()
A. 梅耶
B. 伯尼斯
C. 艾维·李
D. 巴纳姆
微信支付 
支付宝支付