【单选题】Esophageal carcinoma is the most common tumor of the esophagus.
【单选题】Oh ja, toll! Ich bin dabei. 属于哪类?
B.
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【单选题】Which type does this picture of esophageal carcinoma present grossly?【图片】
B.
polypoid exophytic type
C.
diffuse infiltrative type
【判断题】治隐患,以隐患排查和治理为手段,认真排查风险管控过程中出现的缺失、漏洞和风险控制失效环节,坚决把隐患消灭在事故发生之前。
【单选题】A 60-year-old man presents with a 5-week history of difficulty swallowing. Physical examination is unremarkable. Upper endoscopy shows a large mass in the upper third of the esophagus. A biopsy is sho...
D.
Squamous cell carcinoma
E.
Transitional cell carcinoma
【单选题】已知电路中a、b两点的电位分别为φa=5V、φb=-4V则Uab等于()伏。
【单选题】当上部建筑物荷载大、高度较高,而地基承载为又较小,基础需深埋时,最适合的基础型式是( )。
【单选题】世界近代史上,最早通过条约形式划分世界势力范围的国家是()
【单选题】Esophageal carcinoma arises mostly in
A.
the lower part of esophagus.
B.
the middle third of esophagus.
C.
the upper part of esophagus.
D.
the esophageal-gastric junction.