内脏痛的主要特点之一是
A．对刺激性质的分辨能力强
B．对牵拉刺激不敏感
C．对电刺激敏感
D．定位不精确
E．必有牵涉痛
参考答案：D
Feb. 14, 2010, to most Chinese, is not just _____ day devoted to people in love, but also _____ day to express
their care to their family and friends.[ ]
A. a: a
B. a; the
C. the; the
D. the; a
西夏
