头晕空痛，腰膝酸软者，多因（）
A.痰湿内阻
B.气血不足
C.肾精亏虚
D.肝阳上亢
E.肝火上炎
参考答案：C
The news shocked the public, to great concem about students’ safety at school.
A．having led
B．led
C． leading
D． to lead
言脏腑之阴阳，脾为
A．阴中之阳
B．阴中之阴
C．阴中之至阴
D．阳中之阴
E．阳中之阳
