男,34歲,60kg,燒傷后3小時(shí)入院;呼吸深大,吸氧5L/min,查血?dú)馐緋H7.35、PaO2137.2mmHg、PaCO210.5mmHg、BE-16.8mmol/L、[HCO3-]5.7mmol/L,按下列哪項(xiàng)液體進(jìn)行糾正()