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The Drink Your Body Needs Most 1 Our bodies are estimated to be about 60% to 70% water. Blood is mostly water, and our muscles ,
The Drink Your Body Needs Most 1 Our bodies are estimated to be about 60% to 70% water. Blood is mostly water, and our muscles ,
admin
2015-07-08
77
问题
The Drink Your Body Needs Most
1 Our bodies are estimated to be about 60% to 70% water. Blood is mostly water, and our muscles , lungs and brain all contain a lot of water. Water is needed to regulate body temperature and to provide the means for nutrients(滋养物)to travel to all our organs. Water also transports oxygen to our cells,removes waste, and protects our joints and organs.
2 We lose water through urination(排尿), respiration(呼吸),and by sweating. If you are very active, you lose more water than if you do not take much exercise. Symptoms of mild dehydration(脱水)include chronic pains in joints and muscles, lower back pain, headaches, and constipation
(便秘). A strong smell to your urine, along with a yellow color indicates that you are not getting enough water. Thirst is an obvious sign of dehydration and in fact, you need water long before you feel thirsty.
3 A good rule of thumb(好的做法)is to take your body weight in pounds and divide that number in half. That gives you the number of ounces(盎司)of water per day that you need. For example, if you weigh 160 pounds, you should drink at least 80 ounces of water per day. If you exercise you should drink another 8-ounce glass of water for every 20 minutes you are active. If you drink coffee or alcohol, you should add at least an equal amount of water. When you are traveling on an airplane,it is good to have 8 ounces of water for every hour you are on board the plane.
4 It may be difficult to drink enough water on a busy day. Be sure you have water handy at all times by keeping a bottle for water with you when you are working, traveling, or exercising. If you get bored with plain water, add a bit of lemon for a touch of flavor. There are some brands of flavored water available, but some of them have sugar or artificial sweeteners that you don’t need.
A Ounces of water needed per day
B Importance of water
C Composition of water
D Signs of dehydration
E Supply of water
F Necessity for bringing a bottle for water
Paragraph 1 ______
选项
答案
B
解析
第一段讲到人体约60%~70%是由水组成的;血液大部分都是水,体温的调节,运输滋养物到各个器官,运送氧气到各个细胞,废物排除,人体关节和器官的保护等都离不开水。故本段主要讲的是水对人体的重要性。故选B。
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本试题收录于:
职称英语卫生类B级题库职称英语分类
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