A:大众文化以流行为主要特点
B:人们对文化的需求呈现出多层次、多样化的特点
C:传统的革命歌曲已不受大众欢迎
D:我国承认世界文化的多样性,遵循各国文化一律平等的原则
________ Tom ________ Mary speaks good Chinese, so they can communicate with these Chinese students very well.