吞钡X线检查显示食管虫蚀样充盈缺损,纵行黏膜皱襞增宽
A.反流性食管炎B.食管癌C.食管静脉曲张D.贲门失弛缓症E.食管裂孔疝
参考答案:C
______most common kind of fuel used by______peasants in our district is wooD.
A./...the...the
B./...the.../
C.The.../...the
D.The...the.../
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