七情内伤致病，首先损伤的脏是（）。
A.肝
B.心
C.脾
D.肺
E.肾
参考答案：B
—Mike didn’t go back to his hometown last year, he?
—No, he .
A. didn’t; did B. did; did C. did; didn’t
成年人上前牙外伤，冠折1/3，露髓，根(-)。其治疗原则为
A．活髓切断术
B．直接盖髓
C．干髓术
D．根管治疗
E．塑化治疗
