(AB)vital (AC) consumed (AD)key (AE)about (BC)staying (BD) much(BE) especially (CD)caffeine (CE)functioning (DE)means
(六) How can we survive without drinking water? Only three days! Enough water is __51.__ to a healthy lifestyle. Our bodies are made up of __52.__ 60 percent water, but each day we lose some of it through perspiration and other __53.__. Because water is necessary to keep our bodies __54.__, we must replace what we lose. Doctors have provided some tips for __55.___ hydrated. One of them is ___56.___ worth mentioning: Don’t replace your water consumption with drinks containing alcohol, __57.__ or carbonation. If __58.__ in excess, these kinds of drinks can cause dehydration. Preventive measures are __59.__ because making sure you keep hydrated now is __60.__ easier than being treated for dehydration later.
【題組】51.