训练9（教参word）-（word书稿）2023大二轮【导学教程】旧教材老高考英语专题辅导与训练

训练(九)　七选五 [对应学生用书P108] A (2022·漳州高三质量检测)People say water can improve health and memory.But now some experts say that to think drinking water equals health is taking things too far and that hydration(水合作用)is about the balance between electrolytes(电解质)like sodium and the water in your body. Then，how much water do you need to drink? Many say you should drink eight 8­ounce glasses of water a day.Not so, some experts say.__1__ A 200­pound person who hikes 10 miles in the heat needs more water than a 120­pound office manager in a temperature­controlled building. __2__ Someone with a heart condition or kidney stones has one level of need.A person taking diuretic drugs(利尿药)may need a different amount of water.You may need to change the amount you are drinking if you lave been ill with vomiting or diarrhea. Water is a better choice than sugary sodas or fruit juices.__3__One popular idea is that caffeine or alcohol will make your body lose much water.But one study showed the effect is not significant.You also get water from what you eat.Fruits, vegetables, and soups all add to the intake of water.Your body will tell you if you are hydrated enough.You don't have to think about it or add up the ounces you drink.__4__ Electrolytes are essential minerals.__5__ Some sports drinks ads say you need to add electrolytes to stay healthy.But some experts say that your body produces electrolytes.You may need more water if you exercise a lot during the heat of the day.Otherwise, most people get enough electrolytes from food. A．Just drink then you are thirsty. B．They are vital to many functions in the body. C．It gives you more energy and makes you look good. D．Instead, your body and the activities you attend matter. E．It is also necessary to set a timetable about when to drink water. F．The amount of water you need in a day also depends on your health. G．But when it comes to hydration, any drink can add water to your system. [语篇解读]　本文为议论文，首先提出两个关于水的不同观点：饮水能改善健康状况与记忆；饮水并不等同于健康，水合作用是体内电解质与水