确诊肺癌最可靠的依据是（）
A.胸部X线检查
B.痰细胞学和纤维支气管镜检查
C.胸部CT检查
D.放射性核素肺扫描
E.病史、体征
参考答案：B
My brother _______ the army two years ago.He has ______ for two years.
A．joined in ; joined
B．joined ; been a soldier
C．joined in ; become a soldier
D．joined; joined in
明显与心理因素相关的躯体疾病是
A．癔症
B．反应性精神病
C．疑病性神经症
D．疼痛
E．心身疾病
