Stay and Play for 2 DaysStay in the magic with your friends and family and book a hotel stay at either Disney’s Hollywood Hotel or Hong Kong Disneyland Hotel. As a hotel guest, you can enjoy an extra 题目和参考答案——青夏教育精英家教网—

Scientists have developed a water treatment system that they say is a powerful but simple way to save lives. Four grams of chemicals can treat ten liters of dirty water for a low cost, about ten cents.
Experts say infections from dirty water kill several thousand children in developing countries every day. The Procter and Gamble company has been developing the "PUR Purifier of Water" system since 1995. The company has been working with the United States Centers for Disease control and Prevention(C.D.C.).
C.D.C. researchers tested it in Guatemala, Pakistan and Kenya. Procter and Gamble researcher Greg Allgood says cases of diarrhea(腹泻) in those studies fell by about 50 percent. Researchers from Johns Hopkins University in Maryland tested the system at a refugee camp in Liberia. Mr. Allgood says that study found a reduction of more than 90 percent. Use of the system is being expanded worldwide.
The treatment contains bleach(漂白剂) to kill disease-causing organisms. It also contains something that dirt and other particles stick to. Mr. Allgood says the chemicals can remove lead and other dangerous metals and even agricultural poisons like D.D.T.
Mr. Allgood heads the Children's Safe Drinking Water program at Procter and Gamble. He says about forty million packets of the treatment have been given to countries for free. They have been used in emergencies and in areas with limited supplies of clean water.
Clean water is a limited resource in many parts of the world. Delegates from about 130 nations attended the Fourth World Water Forum last month in Mexico City. Scientists, policy experts and others discussed ways to provide clean water to the world’s poor. Organizers say more than twenty percent of the world population lacks clean drinking water. The final declaration did not go so far as to declare water a human right. But it did say that governments, not private companies, must take the lead in improving the public’s ability to have clean water.
46. What is mainly talked about in this passage?
A. Water pollution around the world.
B. The causes of diarrhea in African countries.
C. A newly developed water treatment system.
D. The Fourth World Water Forum in Mexico City.
47. Which of the following developed the water treatment system?
A. The US Centers for Disease Control and Prevention.
B. The Procter and Gamble Company and C.D.C.
C. The Children’s Safe Drinking Water Program.
D. Johns Hopkins University.
48. Which of the following about the new water treatment system is NOT true?
A. It is effective but very expensive.
B. It was tested in Guatemala, Pakistan and Kenya.
C. It is being expanded worldwide.
D. It can remove dangerous metals in the water.
49. Which of the following shows that the shortage of clean water is a serious problem?
A. Forty million packets of the treatment have been given to countries for free.
B. Delegates from about 130 nations attended the Fourth World Water Forum.
C. Four grams of chemicals can treat liters of dirty water for a low cost.
D. Infections from dirty water kill several thousand children every day.
50. The best title for this article is ______.
A. A Small Packet of Chemicals, a Big Effect on Dirty Water
B. The Procter and Gamble Company and C.D.C.
C. The Shortage of Clean Water
D. How to Cure Diarrhea

B
All of us eat every day, but most of us don’t understand nutrition. We often make mistakes in talking about good diet.
For example, many people think that foods such as rice, bread and potatoes will make one grow fat. In fact, these foods are very good to one’s health. They are good sources of many vitamins. And in comparison with steak and beef, they contain less amount of calories.
Some people don’t like canned(罐装的) or frozen vegetables, because they think fresh vegetables cooked at home are always better. This is again wrong. In fact, whether the vegetables are good or not depends more on how they are prepared. Overcooking, for example, destroys good qualities of vegetables. Vegetables cooked in too much water can use a large amount of vitamins.
It is widely believed extra vitamins provide more energy. But taking more than the body needs doesn’t make it function better.
It is also wrong to say that vegetables grown in poor, worn-out soil are lower in vitamins than vegetables grown in rich soil. The vitamins in our foods are in the plants themselves. They don’t come from the soil. However, the minerals(矿物质) in a plant depend on the minerals in the soil.
In short, there are many false ideas about nutrition. We need to correct them.
1. This passage is mainly about_______.
A. nutrition B. vitamins C. vegetables D. health
2. Rice, bread and potatoes do good to people’s health mainly because_______.
A. they make people fat B. there are lot of vitamins in them
C. they contain less amount of calories compared with steak and beef.
D. both B and C.
3. Why don’t some people like canned or frozen vegetables? Because______.
A. they think fresh vegetables contain less vitamins
B. they think fresh vegetables contain more vitamins than the canned or frozen ones
C. they don’t think the canned or frozen vegetables are fresh
D. they don’t think the canned or frozen vegetables taste as good as the fresh ones
4. Which of the following is true according to the passage?
A. Many people know almost everything about nutrition.
B. Food such as rice, bread and potatoes make people fat.
C. vegetables grown in poor worn-out soil may have the same amount of vitamins as vegetables grown in rich soil.
D. extra vitamins provide less energy.
5. The point of the passage is that______.
A. the minerals in a plant depend on the minerals in the soil
B. people make mistakes when talking about good diet
C. taking more vitamins than the body needs doesn’t make it function better
D. vegetables cooked in too much water can lose a large amount of vitamins

With winter fast approaching, flu season is here. People can easily catch the flu bug and they try to fight it with western medicine, traditional Chinese medicine or some homemade secret recipes. Yet some of these strategies are ineffective or even harmful, the best way to counter the flu is to protect us from contracting（感染）it. So here are some good habits to protect people from contracting flu from the very beginning.
●During the day, keep the bedroom window open to let fresh air in．
●Wash your face with cold water in the morning and wash your feet with hot water in the evening. This practice can help boost blood circulation and improve the body's resistance.
●Do some exercises in the morning. such as jogging or shadowboxing（太极拳)for 10 minutes.
●Rinse(漱) your mouth with salt water or tea every morning and every evening. This can help kill flu bacteria, clear phlegm(痰）and keep the mouth fresh.
●Wear more clothes when it's cold and take some off when it's warm
●Get a bottle of vinegar or Chinese white wine at hand and smell it now and then. Their pungent smell can help people get refreshed and improve their body's resistance.
● Drink two kinds of beverages（饮料）before going to bed, which can help people stay away from the flu: soup made of radish（萝卜）and vinegar, and tea made of fresh ginger（生姜）．
●Close the doors and windows and put a pot of boiling vinegar in the room Vinegar steam is a good way to kill flu bacteria in the air.
小题1: Some people like washing their face with cold water in the morning and washing their feet with hot water in the evening perhaps because______．

A．they want to make themselves handsome or pretty

B．they know it is the best way to kill flu bacteria

C．they think it can strengthen blood circulation and improve their resistance

D．they have developed the good habit of living

小题2:According to the passage, we can know that the best way to fight the flu is to ______.

A．take western medicine or traditional Chinese medicine

B．avoid getting it at the very beginning

C．use some homemade secret recipes

D．drink two kinds of beverages before going to bed in winter

小题3: What would be the best title for this passage?

A．Eight habits to keep the flu away	B．The cause of contracting the flu
C．Winter and flu	D．How to cure the flu

We arrived at the hospital only to find Dad weak, but his smile was as sure as ever. My husband and I had to work, so our relatives would help him get home from the hospital and look after him. But I wanted Dad to know that we cared about him, too, even when we weren’t with him.
Then I remembered a family tradition (传统) when our children were small. When leaving their grandparents’ home, each child would write a love note for their grandparents to find after we were gone. They hid notes in the food box, or even in the fridge. For days their grandparents would smile as they discovered these notes of the children’s love.
So as I cleaned Dad’s room downstairs before he got home, I began writing notes. Some showed my love. Most notes were in his room downstairs where he would be able to find, but one note was hidden upstairs under his pillow. “Dad, if you have found this note, you

must be feeling better. We are so glad!”
My notes were a reminder (提醒的事物) of our love for Dad. Just like his medicines made him better physically (身体上), these would improve his mental (精神的) health. Several weeks later, I made a phone call to Dad and asked what he was doing. He said, “I’ll tell you what I’m doing. I am just reading the note you left under my pillow upstairs!”
64. Which of the following did the author NOT do for her father?
A. Writing notes.            B. Driving her father home.
C. Making phone calls.       D. Helping to clean her father’s room.
65. The underlined word “these” (in Paragraph 4) refers to “______”.
A. medicines             B. the relatives’ care and help
C. notes                    D. delicious foods
66. The author hid most notes _____.
A. in Dad’s room downstairs     B. in the food box
C. in the fridge               D. under Dad’s pillow upstairs
67. From the passage we can know the author’s notes couldn’t ______.
A. show her love for Dad            B. make Dad remember something
C. make Dad healthier mentally        D. improve Dad’s physical health

When the school year starts, it can be difficult to get up early．After a few early mornings, extreme tiredness might make you feel like you’re going to fall over．The amazing thing is that you probably manage to stay awake all day long and into the night．But how?
A chemical in the brain called dopamine（多巴胺）might be part of the answer．According to new research, dopamine is what keeps people who don’t get enough sleep from conking out．The chemical also has a complicated influence on your ability to think and learn when you don’t get enough sleep．
To study sleep loss and its effect on the brain, scientists rounded up 15 healthy volunteers．The scientists tested each person’s memory and ability to pay attention twice: once after a good night’s sleep and once after being kept up all night long．During the tests, the scientists measured levels of dopamine in the brains of the volunteers．
The results showed that when the volunteers stayed up all night, dopamine levels increased in the brain．Higher levels of dopamine kept the volunteers awake even though they felt tired．Some people are amazingly able to think clearly and react quickly, even when they haven’t had much sleep．Other people have a really hard time paying attention when tired, and their reactions are slow．All of these may be related to the dopamine levels．However, the researchers found that higher levels of dopamine don’t remove the trouble people have thinking and learning while sleep-deprived （缺乏睡眠的）．
60．The underlined phrase “conking out” in the second paragraph probably means     ．
A．staying awake     B．falling asleep
C．paying attention         D．falling over
61．With a higher level of dopamine, one     ．
A．will not dream dreams at night              B．may have trouble in falling asleep
C．can still stay awake after staying up          D．can do better in learning and working
62．We can infer from the last paragraph that        ．
A．not all people can react quickly after they stay up late
B．dopamine in our brain does not work when we are sleeping
C．lack of sleep has no influence on one’s learning and thinking ability
D．the higher the dopamine levels are, the more quickly one reacts
63．The passage is developed by        ．
A．setting up a point and discussing it
B．giving examples and drawing a conclusion
C．pointing out similarities and differences
D．showing a fact and explaining the cause

Staying positive through the cold season could be your best defense against getting ill, new study findings suggest.
In an experiment that exposed healthy volunteers to a cold or flu virus, researchers found that people with a generally sunny character were less likely to fall ill. The findings, published in the journal Psychosomatic Medicine, build on evidence that a “positive emotional style” can help to protect us from suffering the common cold and other illnesses.
Researchers believe the reasons may be both objective — as in happiness improving immune function — and subjective — as in happy people being less troubled by a sore throat or runny nose. “People with a positive emotional style may have different immune responses to the virus,” explained lead study author Dr Sheldon Cohen of Carnegie Mellon University in Pittsburgh. “And when they do get a cold, they may interpret their illness as being less severe.”
Cohen and his colleagues had found in a previous study that happier people seemed less likely to catch a cold, but some questions remained as to whether the emotional style itself had the effect.
For the new study, the researchers had 193 healthy adults complete standard measures of personality characteristics, self-felt health and emotional style. Those who had a tendency to be happy, energetic and easy-going were judged as having a positive emotional style, while those who were often unhappy, tense and aggressive had a negative style.
The researchers gave them nasal (鼻腔的) drops containing either a cold virus or a particular flu virus. Over the next six days, the volunteers reported on any aches, pains or sneezing they had, while the researchers collected objective data. Cohen and his colleagues found that based on objective measures of nasal troubles, happy people were less likely to develop a cold.
小题1:Which is the best title for the passage? ______

A．Stay Away from Being Negative

B．Positive or Negative？It’s Up to You.

C．Emotional Style and Flu.

D．Optimistic People Likely to Keep Diseases Away.

小题2: According to Dr Cohen’s research, the reason why some people are unlikely to catch a cold may be that ______.

A．their cheerful mood benefits the immune system

B．they have developed a certain way against flu virus

C．they are less likely to have a sore throat and runny nose

D．they have got a stronger self-confidence in their health

小题3: The research is done by ______.

A．getting volunteers in one emotional group and analyzing them

B．conducting a medical experiment on volunteers of different emotional styles

C．co

llecting and analyzing volunteers’ objective nasal production data

D．having volunteers answer questions on personality, health and emotions

Drinking a lot of water does not do any good to the body, according to two experts in the United States. In fact, they warn, drinking too much water could be, in certain Cases, harmful.
In a study, Dr Stanly Goldfarb and Dr Dan Negoianu, both of the Renal, Electrolyte and Hypertension Division at the University of Pennsylvania, the United States, have denied the popular belief that drinking a lot of water clears body toxins (毒素) better, improves skin, and helps reduce weight.
Dr Goldfarb and Dr Negoianu say that they found little proof to support the public opinion that drinking 8 glasses of water every day benefits health. At the same time, they found little proof of harm in drinking 8 glasses of water every day.
It is widely believed that in some cases — such as athletes, people who live in hot, dry environments, and those with certain medical conditions — drinking a lot of water indeed helps, but no studies have been done to prove the benefits of this practice in average, healthy people, the website medheadlines. com reports.
The study at the University of Pennsylvania also examined reports that some people experienced increased headaches when their consumption of water was low. In one small study, which the doctors reviewed, the group drinking the most water reported fewer headaches than the control group, “but the difference in the number of headaches was so small between the two groups as to be considered unimportant.”
The researchers concluded that there is no scientific proof to support that average, healthy people need to drink at least 8 glasses of water each day.
The website medheadlines. com says that, according to an Indian doctor, drinking too much water is harmful. If water enters the body more quickly than it can be removed, problems can occur.
1. What’s the key message delivered in the passage?
A. Drinking too much water might bring harm.
B. Whether to drink enough water makes no difference.
C. Drinking too much water may cause headaches.
D. Average, healthy people should drink more water.
2. We can learn from the passage that 8 glasses of water every day ________.
A. proves good for the body             B. has scientific proof of harm
C. is sure to reduce headaches            D. is generally considered necessary
3. Who may agree that drinking lots of water helps to lose weight?
A. Two experts.                     B. General public.
C. An Indian doctor.                  D. A website.
4. According to the passage, we know that ________.
A. the website medheadlines. com is developed by an Indian doctor
B. the study was carried out by two experts with an Indian doctor
C. the two experts performed the study at the University of Pennsylvania
D. drinking 8 glasses of water every day can cure certain diseases

Burn Calories in Your Sleep?
The weight-loss world is full of assertions（断言）, rarely proved, that some pill can help you “burn calories while you sleep.” But a recent Dutch study reports that it can be done – simply by eating more lean protein（无脂肪蛋白质）.
Researchers report for the first time that consuming nearly a third of daily calories as lean protein – for example, lean meats without the skin – speeds up a person’s metabolism（新陈代谢） during sleep and that higher protein intake increases the burning of calories and fat during the day. Plus, when the study’s participants, who were all women of healthy weight, ate more protein, they felt fuller, more satisfied and less hungry than when they consumed a diet with the amount of protein, about 10 percent of calories.
The findings suggest that adding lean protein to your daily food “enables you to reach the same level of satiety（过饱）that you are used to with about 80 percent of your normal energy intake,” notes Margriet Westerterp-Plantenga. “That means you can eat about 20 percent less and still have the same satiety.”
What gives protein its caloric edge? It’s more difficult for the body to metabolize protein than either fat or carbohydrates（糖类）. The body also doesn’t store protein as efficiently as it does carbohydrates or fat. So protein is more likely to be burned and that in turn requires more oxygen and helps you feel satisfied in the hours after eating.
But the latest findings don’t mean it’s time to dust off those high-protein diet books. The current study limited fat to about 30 percent of daily calories, and included 40 percent of calories as healthy carbohydrates, including fruit and vegetables. For example, lunch included bread, soy milk, fruit yogurt, tuna in water, tomatoes, cucumbers, feta cheese and salad dressing.
54. According the first paragraph, we know that ______.
A. there’re few studies on weight-loss in the world
B. many studies on weight-loss only cheat customers
C. only few studies are useful for weight-loss
D. there’re few studies about lean protein
55. According to the passage, lean protein can help burn calories while you sleep because ______.
A.it can slow down a person’s metabolism
B. it’s difficult for the body to metabolize
C.it will not make you feel full
D. it’s easy to be stored in the body
56. The underlined phrase “dust off” in the last paragraph means ______.
A. get rid of                   B. put away
C. get ready to rewrite          D. get ready to reuse
57. The passage is mainly to tell readers ______.
A. there is a good diet for weight-losers
B. you can burn your calories in your sleep
C. high-protein diet books will be popular
D. choosing right food is of great use

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