17.Drinking water is so important for good health.When in school,you learned what water is made up of.(31)GHowever,what you may not have learned is how much water you need in order to be healthy.
As we all know,60% to 70% of the body is water.Your body needs water to control body temperature and to carry nutrients to all parts of the body.(32)FWhen you are very active,for example,playing football,you'll lose more water.If you don't drink water at once,it will do harm to your health.
(33)C Take your weight in pounds and divide that number in half.That gives you the number of ounces of water that you need to drink per day.For example,if you weigh 160pounds,you should drink at least 80ounces of water per day.
Twenty percent of your water need will come from the foods you eat.(34)B  Water is the best choice.Sodas have a lot of sugar in them,so if you drink sodas,you may take in more calories than you need.(35)D

A.Why do you need to drink water?
B.The rest should come from what you drink.
C.How much water do you need to drink every day?
D.Juices are good because they have lots of nutrients.
E.Now let's take a look at where your water need comes from.
F.Water can also play an important part in protecting your body.
G.You also learned how it is important to our body.

分析 本文主要講述人體需要多少水分才能保持身體健康.

解答 31-35 GFCBD
31  G 根據(jù)上文提到When in school,you learned what water is made up of當你在學校時,你就已經(jīng)知道水是由什么組成了,故選G 你也學到它對我們身體的重要性. 
32  F 根據(jù)上文提到Your body needs water to control body temperature and to carry nutrients to all parts of the body你的身體需要水來控制身體的溫度,把營養(yǎng)帶到身體的各個部分,故選F 水在保護你的身體方面起重要的作用. 
33  C 根據(jù)下文提到Take your weight in pounds and divide that number in half.That gives you the number of ounces of water that you need to drink per day.你的體重按磅來稱,把這個數(shù)字分成一半,這就你每天需要喝水的量,故選C項; 
34  B 根據(jù)上文提到Twenty percent of your water need will come from the foods you eat你所需要的百分之二十的水來自你的吃的食物,故選B 其它的來自你所喝的水; 
35  D 根據(jù)上文提到Sodas have a lot of sugar in them,so if you drink sodas,you may take in more calories than you need碳酸飼料里面有許多的糖,因此如果你喝的話,你可能會攝入很多的熱量,故選D項;

點評 做七選五題目時要注意以下規(guī)則:1.放進去通順,這一點是基礎.凡不通順的必錯無疑;2、選項中有單詞、詞組、句子成分或與所選答案所在段內(nèi)容重合;
3、選項與其上句或下句之間有必然的邏輯關系;4、選項全部內(nèi)容都屬于正確答案所在段.有時備選答案中可能含有甲乙兩項內(nèi)容,這時,只有當甲和乙都歸屬于本段時,答案才是正確的.

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