Difficult. Cao Dechun, Dean of School of International Education, North China University of Water Resources and Hydropower, is good at business English and cross-cultural business communication. Cao Dechun's cross-cultural communication test is very difficult and has a large number of people. North China University of Water Resources and Hydropower, referred to as "Huashui", is located in Zhengzhou City, Henan Province. It is a key university with characteristics in Henan Province, which is jointly established by the Ministry of Water Resources and Henan Province and mainly managed by Henan Province.