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If you’re training for a marathon , a proper plan for water intake (摄入) is important. Of course, there’s the risk of dehydration (脱水). But athletes now know they can also get into trouble by drinking too much. Too much water intake can lower levels of sodium (钠) in the blood . The death of a 28-year-old woman following the Boston Marathon caught the attention of many runners and led to new research.
Experts advise long distance runners to replace the liquids they sweat out. Their goal is to try to keep someone from not getting dehydrated by more than 2 percent of their body weight.
One technique for deciding how much water you need is to get the exact numbers. Runners have to weight themselves before and after a run to determine how much water they’ve lost. If their weight drops by more than 2 percent, they have not drunk enough water.
Hyponatremia occurs when runners drink so much water that blood salt levels drop off. A study published last year tested 488 runners who completed the Boston Marathon and found 13 percent of them had dangerously low blood salt levels. The first sign that runners may notice is slightly swelling in the hands. They can’t get their rings off, and then they might feel sick. They may not remember where they are. In fact, most runners get enough salt to get back to normal levels by eating just one meal after a run. Contrary to the old advice that runners should drink as much as they can to prevent dehydration , the new research has shown that the body is a remarkable machine that actually tells you via thirst when you need water .
56. The author of this passage is primarily concerned with .
A. the signs and treatment for dehydration
B. the long distance runners who need help
C. how to manage water intake during a marathon
D. a 28-year-old woman who died after a Boston Marathon
57. Why do runners have to weigh themselves before and after a run ?
A. They can improve their performance in a run.
B. They can learn how much salt there is in the blood.
C. They can know the quantity of water they’ve lost during a run.
D. They can decide what kind of water they should take during a run.
58. What conclusion can we draw from the passage ?
A. Taking much salt during a run can avoid selling in the body.
B. Either too much or too little of water intake is harmful.
C. A rich meal is helpful to our performance in a run.
D. We should take enough salt during a run.
59.According the passage, which of the following statements is correct ?
A. Too much water intake→blood sodium levels ↓→dehydration.
B. Too much water intake→blood salt levels ↓→hyponatremia .
C. No water intake→blood sodium levels↑→hyponatremia .
D. No water intake →blood salt levels ↓→hyponatrenmia .
查看习题详情和答案>>If you’re training for a marathon , a proper plan for water intake (摄入) is important. Of course, there’s the risk of dehydration (脱水). But athletes now know they can also get into trouble by drinking too much. Too much water intake can lower levels of sodium (钠) in the blood . The death of a 28-year-old woman following the Boston Marathon caught the attention of many runners and led to new research.
Experts advise long distance runners to replace the liquids they sweat out. Their goal is to try to keep someone from not getting dehydrated by more than 2 percent of their body weight.
One technique for deciding how much water you need is to get the exact numbers. Runners have to weight themselves before and after a run to determine how much water they’ve lost. If their weight drops by more than 2 percent, they have not drunk enough water.
Hyponatremia occurs when runners drink so much water that blood salt levels drop off. A study published last year tested 488 runners who completed the Boston Marathon and found 13 percent of them had dangerously low blood salt levels. The first sign that runners may notice is slightly swelling in the hands. They can’t get their rings off, and then they might feel sick. They may not remember where they are. In fact, most runners get enough salt to get back to normal levels by eating just one meal after a run. Contrary to the old advice that runners should drink as much as they can to prevent dehydration , the new research has shown that the body is a remarkable machine that actually tells you via thirst when you need water .
56. The author of this passage is primarily concerned with .
A. the signs and treatment for dehydration
B. the long distance runners who need help
C. how to manage water intake during a marathon
D. a 28-year-old woman who died after a Boston Marathon
57. Why do runners have to weigh themselves before and after a run ?
A. They can improve their performance in a run.
B. They can learn how much salt there is in the blood.
C. They can know the quantity of water they’ve lost during a run.
D. They can decide what kind of water they should take during a run.
58. What conclusion can we draw from the passage ?
A. Taking much salt during a run can avoid selling in the body.
B. Either too much or too little of water intake is harmful.
C. A rich meal is helpful to our performance in a run.
D. We should take enough salt during a run.
59.According the passage, which of the following statements is correct ?
A. Too much water intake→blood sodium levels ↓→dehydration.
B. Too much water intake→blood salt levels ↓→hyponatremia .
C. No water intake→blood sodium levels↑→hyponatremia .
D. No water intake →blood salt levels ↓→hyponatrenmia .
查看习题详情和答案>>When raising children, the small things make big differences in development . Because children are people, not machines, different children need different things, and buying band name clothing and having the perfect haircut or the biggest collection of expensive toys are not the kind of attention that they need. These kinds of things will make children feel rejected and teach them that material things and appearance are more important than love.
Children need the attention from their parents. The areas of their lives and the abilities that get the most attention will develop the most. If the majority of parental attention is given to the way they stand or to finishing tasks, these areas will become more developed. When parents focus on finding faults, children will eventually take in all of that criticism. These methods often lead to unmotivated children with low self-esteem(尊重).
Children need attention to be given to the details of their lives. They need encouragement from their parents. Statements like, “It makes me happy when you play nicely with your brother” will make a child feel good . Identify the specific talent, how it is used, and your reaction to it. Train the young minds to search for their talents with the same kind of attention to the details that may have previously been devoted to fault-finding. It also helps to identify personal qualities to praise rather than external ones based on appearance.
Focusing on the details when children do good things is important. They need to know exactly what they did was good and how it made you feel .Parents often spend too much time looking for faults. When parents focus on good things, it results in motivated children with high self-esteem. If the devil is in the details ,perhaps the saints(圣人) are also.
67.What does the passage mainly talk about?
A. Parents should pay attention to the small things about their kids.
B. Parents should treat children as people, not machines.
C. Parents should find faults with children.
D. Fix your eyes on children’s advantages.
68. Why is fault-finding bad for children?
A. Because fault-finding will teach children material things are more important.
B. Because children may imitate their parents.
C. It will reduce their self-esteem and motivation.
D. Because fault-finding methods can apply to their lives.
69. By saying “If the devil is in the details, perhaps the saints are also”, the author means_____.
A. if the parents can find bad things about their children they can probably find good things too
B. focusing on details has nothing to do with children’s growing up
C. details of children are like those of devils and saints.
D. details are no longer details when there are saints
70. Which of the following is the author’s opinion?
A. Children at the same age are all the same in many aspects.
B. Parents should focus on those unmotivated children with low self-esteem.
C. Parents should try their best to correct their children’ faults.
D. Parents should pay more attention to children’s good deeds.
查看习题详情和答案>>When raising children, the small things make big differences in development . Because children are people, not machines, different children need different things, and buying band name clothing and having the perfect haircut or the biggest collection of expensive toys are not the kind of attention that they need. These kinds of things will make children feel rejected and teach them that material things and appearance are more important than love.
Children need the attention from their parents. The areas of their lives and the abilities that get the most attention will develop the most. If the majority of parental attention is given to the way they stand or to finishing tasks, these areas will become more developed. When parents focus on finding faults, children will eventually take in all of that criticism. These methods often lead to unmotivated children with low self-esteem(尊重).
Children need attention to be given to the details of their lives. They need encouragement from their parents. Statements like, “It makes me happy when you play nicely with your brother” will make a child feel good . Identify the specific talent, how it is used, and your reaction to it. Train the young minds to search for their talents with the same kind of attention to the details that may have previously been devoted to fault-finding. It also helps to identify personal qualities to praise rather than external ones based on appearance.
Focusing on the details when children do good things is important. They need to know exactly what they did was good and how it made you feel .Parents often spend too much time looking for faults. When parents focus on good things, it results in motivated children with high self-esteem. If the devil is in the details ,perhaps the saints(圣人) are also.
1.What does the passage mainly talk about?
A. Parents should pay attention to the small things about their kids.
B. Parents should treat children as people, not machines.
C. Parents should find faults with children.
D. Fix your eyes on children’s advantages.
2. Why is fault-finding bad for children?
A. Because fault-finding will teach children material things are more important.
B. Because children may imitate their parents.
C. It will reduce their self-esteem and motivation.
D. Because fault-finding methods can apply to their lives.
3. By saying “If the devil is in the details, perhaps the saints are also”, the author means_____.
A. if the parents can find bad things about their children they can probably find good things too
B. focusing on details has nothing to do with children’s growing up
C. details of children are like those of devils and saints.
D. details are no longer details when there are saints
4. Which of the following is the author’s opinion?
A. Children at the same age are all the same in many aspects.
B. Parents should focus on those unmotivated children with low self-esteem.
C. Parents should try their best to correct their children’ faults.
D. Parents should pay more attention to children’s good deeds.
查看习题详情和答案>>A few days ago I asked my sons' governess(家庭女教师)Julia to come into my study. “Be seated,Julia,”I said,“Let's settle our accounts. I guess you most likely need some money,but maybe you're too polite to mention it. Now then,we agreed on thirty dollars a month...”
“Forty.”
“No,thirty. I made a note of it. I always pay our governess thirty. Well,um,you've been here for two months,so...”
Two months and five days.”
Exactly two months. I made a special note of it. That means you have sixty dollars coming to you. Take nine Sundays off... you know you didn't work with Tom on Sundays,you only took walks.And three holidays... ”Julia was biting her fingernail nervously,her face red,but,not a word.
“Three holidays,therefore take twelve dollars off your pay. Four days Tom was sick and there were no lessons,as you were occupied only with Dick. Three days you had a toothache and my wife gave you permission not to work after lunch. Twelve and seven makes nineteen.Take nineteen off... that 1eaves,hmm... forty-one dollars. Correct?”
Julia's left eye reddened with tears welling up. Her chin trembled,and she coughed nervously and blew her riose,but still not a word.
“Around New Year’s Day you broke a teacup and a saucer;take two dollars off your pay.The cup cost more,because it was a treasure of the family,but forget it. When didn't I take a loss! Then,due to your neglect(疏忽),Tom climbed a tree and tore his jacket;take away ten. Also due to your carelessness the maid stole Dick's shoes. You ought to watch everything!You get paid for it. So,that means five more dollars off. The tenth of January I gave you ten dollars”.
“You didn't.”sobbed Julia.
“But I made a note of it.”
“Well... if you say so.”
“Take twenty-seven from forty-one, and that leaves fourteen.”
Both her eyes were filled with tears. Beads of sweat stood on the thin pretty little nose.Poor girl!
“Only once was I given any money,”she whispered,her voice trembling,“and that was by your wife. Three dollars,nothing more.”
“Real1y? You see now,and I didn't know that!Take three from fourteen and it leaves eleven. Here’s your money,my dear.Three,three,three,one and one. Here it is!”
I handed her eleven dollars. She took them and pocketed them.
“Merci(Thanks),”she whispered.
I jumped to my feet and started pacing the floor. I was overcome with anger.“For what,this merci”? I asked.
“For the money”.
“But you know I’ve cheated you—— robbed you!”I have actually stolen from you!Why this“merci?”
“In my other places they didn’t give me anything at all.”
“They didn’t give you anything? No wonder! 1 played a little joke on you,a cruel lesson,just to teach you…I'm going to give you all the eighty dollars!Here they are in the envelope all ready for you…Is it really possible to be so spineless(懦弱)? Why didn't you protest?Why were you silent? Is it possible in this world to be without teeth and laws(爪)—— to be such a fool?''
Embarrassed,she smiled. And I could read her expression,“It is possible”.
I asked her pardon for the cruel lesson and, to her great surprise,gave her the eighty dollars. She murmured her little “merci”serveral times and went out. I looked at her and thought,“How easy it is to crush the weak in this World! ”
67.While talking to Julia.the writer expected ______from her.
A. a protest B.gratitude C.obedience D. an explanation
68.What shocked the writer was Julia's______.
A. nervousness in front of her boss B. acceptance of injustice
C. shyness when talking about money D. reluctance to express herself
69.The writer said, “Is it possible in this world to be without teeth and claws(爪)一to be such a fool?” He was actually telling the governess______.
A. to be more aggressive B. to be more careful in her work
C.to protect her right D.to live independently
70. From the story, we can know that Julia's employer was
A. greedy but honest B.ill tempered but warm-hearted
C. strict but forgiving D. none of the above
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