痰浊蒙蔽心窍，其神志改变特征是
A．狂言谵语
B．神昏痴呆
C．善悲欲哭
D．烦躁不安
参考答案：B
He joined the music club in 2005 and _______ over a hundred songs. [ ]
A. will learn
B. is learning
C. has learned
D. was learning
掌上营业厅的投诉主要有哪几类？
