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问题 单项选择题

患者，女，45岁。吞咽困难伴胸骨后疼痛1个月，体重下降5kg，经检查确诊为食管癌。治疗应首选( )

A．化疗
B．放疗
C．手术
D．针灸治疗
E．中药治疗

答案

参考答案：C

选择题

As we all know, it was _____ that resulted in the terrible car accident.

A．because of her carelessness

B．her being careless

C．because she was careless

D．she was so careless
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单项选择题 B型题

提示慢性阻塞性肺气肿的体征（）

A.颈静脉怒张、肝颈静脉回流征阳性

B.心脏相对浊音界缩小或叩不出

C.心尖搏动左下移位

D.肺动脉瓣区第二心音亢进

E.剑突下可见心脏搏动
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