小建中汤证中心下悸的机理是（）
A.心阳不足，空虚无主
B.胃虚水停，水气凌心
C.心之阴阳两虚
D.脾虚气血不足，心失所养
E.以上均不是
参考答案：D
下列食物中既可预防夜盲症，又可预防佝偻病的是（ ）
A．新鲜蔬菜
B．胡萝卜
C．动物肝脏
D．豆制品
The child broke his father’s favourite vase; Although knowing he would ____ to be punished, he told his father the truth.
A．mean
B．deserve
C．devote
D．avoid
