问题
单项选择题 A1/A2型题
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
答案
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。
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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。
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2. Fish is _____________ favourite food and we also like beef and chicken. 3. Red makes the T-shirt look modern and it will go _____________ with any other colour. 4. Mr. Li _____________ enjoys working with young people. 5. It is _____________ to sit there without doing anything. |