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【单选题】
男性，50岁。吞咽困难3个月，现尚能进半流质食物。体格检查：锁骨上未触及肿大淋巴结。 最先考虑的诊断是A.
食管平滑肌瘤
B.
食管癌
C.
食管炎
D.
食管静脉曲张
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Who was injured in the accident?
A.
Nobody.
B.
The bus driver.
C.
Paul.
D.
The two girls.
【单选题】It was not the cyclists but the driver who ________ for the traffic accident. [ ]
A.
were blamed
B.
was to blame
C.
was to be blamed
D.
were to blame
【简答题】国家实行劳动者每日工作8小时，每周工作（）的工作。
【单选题】下列问题基于以下叙述：有关系模式A(C，T，H,R,S)，其中各属性的含义是：C：课程 T：教员 H：上课时间 R：教室 S：学生根据语义有如下函数依赖集：F＝{C→T，(H，R)→C，(H，T)→R,(H，S)→R) 将关系模式A分解为两个关系模式A1(C，T)，A2(H，R，S)，则其中A1的规范化程度达到______。
A.
1NF
B.
2NF
C.
3NF
D.
BCNF
【单选题】Who was badly injured? A.The teacher. B.The bus driver. C.The truck driver.
A.
B.
C.
C
【单选题】It was not the cyclist but the driver who ________ for the traffic accident. [ ]
A.
was blamed
B.
was to blame
C.
was to be blamed
D.
were to blame
【简答题】It was not the cyclists but the driver who ________ for the traffic accident. [ ] A．were blamed B. was to blame C．was to be blamed D．were to blame
【单选题】The slender woman who lay on the freeway shoulder
A.
is dead.
B.
was the driver of the van.
C.
was killed in an accident.
D.
was a poor driver.
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