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Is bottled water better for you than tap? Or should you choose vitamin-enriched water? Experts say, skip it all．None of these products is likely to make you any healthier．Below, we look at four major myths about the benefits of drinking water． 1 Experts say there’s an easy way to judge．If you are not thirsty, your fluid intake is likely “just right”
Myth No 1：Drink eight glasses each day．
Scientists say there’s no clear health benefit of drinking so much water a day． 2 “Nobody really knows,” says Dr．Stanley Goldfarb, a kidney expert at the University of Pennsylvania．
Myth No．2：Lots of water equals healthier skin．
The body is already 60 percent water． 3 Adding a few extra glasses of water each day has a limited effect．“It’s such a tiny part of what’s in the body,” says Goldfarb．“ It’s very unlikely that one’s getting any benefit．”
Myth No．3： 4
A more accurate statement may be：Drinking water is a helpful tool for dieters．“Water is a great strategy for dieters because it has no calories,” says Madeline Fernstrom of the University of Pittsburgh．“So you can keep your mouth busy without food and get a sense of satisfaction．” But water is not magical, she adds．“Other zero-calorie options such as diet sodas are fine, too．”
Myth No．4：It’s easy to get dehydrated(脱水的)during a workout．
Dehydration sets in when a person has lost 2 percent of his or her body weight． 5 “It’s also obvious that individuals in hot, dry climates have an increased need for water,” says Goldfarb．“But for a walk in the park, no water bottle is necessary．”
A．So where does the standard advice come from?
B．But it’s unclear whether these changes are clinically significant．
C．So for a 200-pound man, this means losing 4 pounds of water．
D．Drinking extra water leads to weight loss．
E．Drink as much water as you can．
F．So, if you take a 200-pound man, he’s 120 pounds of water．
G．But first, how do you know if you’re drinking enough water?
147. --- Where does Jack work?
--- I’m not sure, but he worked at Motorola when I last met him, _____.
|
A．however |
B．though |
C．yet |
D．Anyhow |
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How men first learned to invent words is unknown, in other words, the origin of language is a mystery. All we really know is that men, unlike animals, somehow invented certain sounds to express thoughts and feelings, actions and things, so that they could communicate with each other; and that later they agreed upon certain signs, called letters, which could be combined to represent those sounds and which could be written down. Those sounds, whether spoken, or written in letters, we call words.
The power of words, then, lies in their association-the thing they bring up before our minds. Words become filled with meaning for us by experience; and the longer we live, the more certain words recall to us the glad and the sad events of our past; and the more we read and learn, the more the number of words that mean something to us increase.
Great writers are those who not only have great thoughts but also express these thoughts in words which appeal powerfully to our minds and emotions. This charming and telling use of words is what we call literary style. Above all, the real poet is a master of words. He can convey （表达，传递）his meaning in words which sing like music, and which by their position and association can move men to tears. We should, therefore, learn to choose our words carefully and use them accurately, or they make our speech silly and vulgar.（粗俗的）
Which of the following about a real poet is NOT true?
A．He is less than a master of words.
B．His style is always charming.
C．His poem can move men to tears.
D．He can express his ideas in words that sing like music.
Where does the real power of the words come from?
A．From the words themselves.
B．From their characteristics.
C．From their curiosity.
D．From their association.
What is the main idea of the passage?
A．The importance of choosing words.
B．Where the real power of words come from.
C．What great writers are like.
D．We should learn to choose words carefully.
查看习题详情和答案>>—Where does your sister work, Jack?
—She works in a ___________.
A. shop of cloth B. cloth’s shop C. shop with clothes D. clothes shop
查看习题详情和答案>>1. How does the woman feel when she sees the man?
A. Pleased. B. Nervous. C. Frightened.
2. Where does the dialogue most probably take place?
A. At a restaurant. B. At the man's home. C. At the woman's home.
3. Why doesn't the man stay over a meal?
A. Because he has something else to do.
B. Because he doesn't have enough time.
C. Because it is still early for lunch.
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