骨、关节结核可继发于下列疾病，但除外（）
A.淋巴结核
B.胸膜结核
C.肠结核
D.肺结核
E.纵隔淋巴结肿大
参考答案：E
Not a single word ________ about the way he was treated, but his unhappiness was revealed through his expression.
A．he said
B．he has said
C．did he say
D．said he
简述我国秘书起源于殷商时期的依据。
