感性认识的可靠性和局限性都在于它具有
A.直接性 B.间接性 C.具体性 D.抽象性
参考答案:A,C
—What kind of music do Chen Rui like best?
—She likes the music _________ is quiet and gentle. [ ]
A. who
B. that
C. whose
D. where
患者14岁,右下后牙1d来夜间痛。查见右下第一前磨牙咬合面有畸形中央尖折断痕迹,冷测引起剧痛,叩痛(-)。诊断为()
A.急性龋
B.复性牙髓炎
C.急性牙髓炎
D.慢性牙髓炎
E.急性根尖周炎