食管癌起源于食管的()。
A.黏膜层
B.黏膜下层
C.环行肌层
D.纵行肌层
E.浆肌层
参考答案:A
解析:食管癌是发生在食管黏膜上皮组织的恶性肿瘤。
—How is the weather in Beijing in summer?
—Oh, it's ______ than that in your hometown. [ ]
A. hot
B. hotter
C. hottest
D. the hottest
2天后患者左上睑肿痛减轻,睑结膜面出现黄白色脓点,应如何治疗
A.继续点眼
B.继续包扎
C.热敷
D.切开排脓
E.口服抗生素治疗