已知实数a,b,有下列结论: (1)a=1,b=1,则根号ab≤1; (2)a=2分之1,b=...答:raise the bed to reduce nighttime reflux, low fat, low sugar diet, quit smoking wine, to avoid satiation, limit spicy food and so on. 2 acid-suppressing drugs, including H, receptor antagonists and proton pump inhibitors, the former through a competitive H2 receptor on the parieta...