萎缩性胃炎时哪种指标明显降低()
A.BAO
B.MAO
C.PAO
D.隐血试验
E.尿素测定
参考答案:B
解析:MAO见于萎缩性胃炎、慢性胃炎、幽门狭窄等。
Jack, ., or you will get heavier.
A.doesn't play sports any more
B.doesn't eat so much meat
C.don't play sports any more
D.don't eat so much meat
《铁路客运运价规则》规定,什么是客运杂费?