下列哪项不属于职业中毒的诊断依据（）
A.职业史
B.劳动卫生现场调查
C.症状与体征
D.患者主述
E.实验室检查
参考答案：D
A foreign visitor is coming to visit our new house this evening. My mother will offer him ______ to eat.[ ]
A. anything delicious
B. something real Chinese
C. something Japanese food
D. delicious something
颈段食管到颈中部逐渐移至气管的（），经胸前口进入胸腔纵隔内。
A.背侧
B.腹侧
C.左侧
D.右侧
