第3部分：概括大意與完成句子(第23—30題，每題l分，共8分)

閱讀下面這篇短文，短文后有2項測試任務(wù)：(1)第23—26題要求從所給的6個選項中為第1一4段每段選擇1個正確的小標題;(2)第27—30題要求從所給的6個選項中選擇4個正確選項，分別完成每個句子。請將答案涂在答題卡相應(yīng)的位置上。

The Drink Ynur 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 (滋養(yǎng)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 (脫水) 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 all obvious sign of dehydration and in fact, you need water long before you feel thirsty.

3. A good role 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 difficuR 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.

23, Paragraph 1

24. Paragraph 2

25. Paragraph 3

26. Paragraph 4

A.Ounces of Water Needed Per Day

B.1mportance of Water

C.Composition of Water

D.Signs of Dehydration

E.Supply of Water

F.Necessity for Bringing a Bottle for Water

27. One cannot live

28. Dehydration may occur if there is a shortage of water

29. The amount of water your body needs per day is related

30. Don't forget to drink enough water even

A.in your body

B.without water

C.before long

D.for a change

E.on a busy day

F.to your weight

（責(zé)任編輯：中大編輯）

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