《素问.经脉别论》中“府精神明,留于四脏”之“四脏”是指()。
A.心
B.肝
C.脾
D.肺
E.肾
参考答案:A, B, C, E
— ____ sweep the classroom yesterday?
—I was playing tennis with my friend.
A.Why not
B.Why didn't
C.Why don't
D.Why didn't you
甲状旁腺腺瘤中脂肪组织:()
A.绝对不存在
B.可以少量存在
C.与肿瘤组织等量存在
D.以上都不正确