按五行生克关系，心之所不胜是()
A.肺
B.脾
C.肝
D.肾
E.以上均非
参考答案：D
The reason _______ he was late for school was _______ he had been knocked down by a bike. [ ]
A. that; why
B. why; because
C. why; that
D. that; because
胆道蛔虫阻塞胆管时，患者尿液检查可能出现（）
A.胆红素阴性，尿胆原阳性
B.胆红素阳性，尿胆原阴性
C.胆红素阳性，尿胆原阳性
D.胆红素阴性，尿胆原阴性
E.胆红素不定，尿胆原不定
