• 2022-06-11
    纯净胃液是
    A: pH0.9~1.5的无色酸性液体\n
    B: pH2.0~3.5的淡黄色酸性液体\n
    C: pH4.0~6.0的无色酸性液体\n
    D: pH6.5~7.0无色近中性液体\n
    E: pH7.4~8.0淡黄色碱性液体