正常胃液的酸碱度为A.pH0.9~1.8B.pH1.8~2.0C.pH2.0~3.0D.pH3.0~4.0E.pH4.0~5.0
正常胃液的酸碱度为
A.pH0.9~1.8
B.pH1.8~2.0
C.pH2.0~3.0
D.pH3.0~4.0
E.pH4.0~5.0
相关考题:
土壤酸碱度分级中,酸性等级对应的pH范围是:A.5.5-7.5B.4.5-7.0C.5.0-7.0D.5.0-6.5
正常胃液的酸碱度为
A.pH0.9~1.8
B.pH1.8~2.0
C.pH2.0~3.0
D.pH3.0~4.0
E.pH4.0~5.0