厥证最突出最常见的病因是（）
A.失血过多
B.嗜酒肥甘
C.情志刺激
D.正气虚弱
E.空腹劳累
参考答案：C
I prefer a flat in Shuangyashan to ______ in Jiamusi, because I want to live near my Mom' s. [ ]
A. one
B. that
C. it
D. this
碳素钙填充对PVC管材性能有何影响？
