涎腺肌上皮瘤有()
A.肌上皮岛
B.黏液池
C.软骨样区域
D.纤维化
E.钙化
参考答案:C
Instead, it seems that creative thinking is a (n) of habits.
A.affair
B.business
C.matter
D.problem
一般情况下,下列哪项不是典型心绞痛的诱因
A.体力劳动B.饱餐C.受寒D.情绪激动E.吸烟