A
How to Prevent Dehydration
When the weather’s warm, you need to make sure you drink enough water. But did you know that you lose your sense of thirst as you get older? This means you're more likely to become dehydrated, making you more prone to (有倾向) falls, heart disease, urinary-tract infections, kidney stones and confusion. A study from Loughborough University in the UK has shown that drivers who had only a little water an hour made twice as many mistakes as motorists who were properly hydrated. In fact, they made a similar number of errors to what you’d expect from someone over the drink-drive limit.
So how do you know when you’re dehydrated? Warning signs include:
*Feeling tired
*Dry mouth and dry skin
*Dark urine
*Reduced appetite (食欲)
*Reduced concentration
*Headache
*Constipation.
But you might not notice any symptoms (症状)at all，so to make sure you stay hydrated:
*Keep a glass of water by your side when you’re at home, and drink it regularly.
*Form a new drinking habit—for example, when watching TV, always reach for the water glass during an ad break.
*Take a small bottle of water with you when you go out.
*Always drink a large glass of water with a meal.
*Eat fruit and vegetables with high water content.
*Draw up a weekly water card—a bit like a coffee loyalty card—with a target of eight glasses of water a day. Mark it every time you have a glass of water. Award yourself a prize when ifs full at the end of the week,
*Drink water before, during and after you take any exercise.
1. The word “dehydration” in the title may probably mean .
A. loss of water from the body B. confusion of the mind
C. warning signs of illnesses D. a kind of weather sign
2. According to Paragraph 1, dehydration can .
A. occur only in warm weather
B. make you get older and older
C. be easily noticed in our daily life
D. cause physical and mental problems
3. To make sure you stay hydrated, you’d better .
A. take no notice of the warning signs
B. leave some water within your reach
C. eat any fruit and vegetables you like
D. award yourself eight glasses of water
【答案】1. A 2. D 3. B
【解析】
【分析】本文为说明文。脱水会导致你更容易跌倒、心脏病、尿路感染、肾结石和精神错乱等 。因此要防止脱水。本文就如何防止脱水提出了几点建议。
【1题详解】
猜测词义题。根据第一段第一句“When the weather’s warm, you need to make sure you drink enough water. But did you know that you lose your sense of thirst as you get older? This means you’re more likely to become dehydrated,…”可知，当天气暖和时，你需要确保你喝足够的水。但是你知道随着年龄的增长你会失去口渴感吗？所以你没有了口渴的感觉，可能就会导致身体“缺水”。以及第二段“So how do you know when you’re dehydrated?”下面的内容可知，都是人“脱水”的症状。由此可推断出划线词为 “dehydration”意为“脱水”。故选A。
【2题详解】
细节理解题。根据第一段“But did you know that you lose your sense of thirst as you get older? This means you're more likely to become dehydrated, making you more prone to (有倾向) falls, heart disease, urinary-tract infections, kidney stones and confusion.”脱水意味着你更容易脱水，使你更容易跌倒、心脏病、尿路感染、肾结石和精神错乱。可知，“跌倒、心脏病、尿路感染、肾结石”属于身体上的毛病，“精神错乱”为精神上的疾病。可知，脱水会导致身心问题。故选D。
【3题详解】
细节理解题。根据文章中的“when watching TV, always reach for the water glass during an ad break.Take a small bottle of water with you when you go out.Always drink a large glass of water with a meal….Mark it every time you have a glass of water.”可知，看电视时在广告间隙伸出手拿杯子喝水，出去的时候带上一小瓶水。吃饭时一定要喝一大杯水…要做到随时手边有水。由此可知，为确保你保持水分充足，要随时都能喝到水。分析选项可知B符合题意，故选B。
