据《素问·六节藏象论》，肾的阴阳属性是（）
A.阳中之太阳
B.阳中之少阴
C.阴中之少阴
D.阳中之少阳
E.阴中之至阴
参考答案：C
She couldn't remember names of her college classmates，but his name frequently ________ to her
memory.[ ]
A．happened
B．occurred
C．struck
D．compared
形容过分夸奖会带来不良后果，正确的广州话歇后语是（）
A.出炉铁
B.生草药
C.电灯胆
D.白撞雨
