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Dear Editor£¬
We took part in a voluntary activity organized by our school last Sunday.
Best wishes!
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Dear Editor£¬
We took part in a voluntary activity organized by our school last Sunday. We gathered at the Culture Square, passing leaflets to passersby from which they can learn what the earthquake is and how to protect themselves against the earthquake. The leaflets drew the attention of the public to the damage that an earthquake can cause and told them to take action in a right and efficient way. Some made a public speech, telling people about the best place where they can hide when an earthquake occurs.
We have learned much from the voluntary activity, which offers us an opportunity to contribute to society. We told the public about the situation because we thought everyone should be concerned about each other and take responsibility for promoting a public cause.
Best wishes!
Yours£¬
Li Hua
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¡¾ÌâÄ¿¡¿Evaluating Sources (À´Ô´) of health Information
Making good choices about your own health requires reasonable evaluation. A key first step in bettering your evaluation ability is to look carefully at your sources of healthy information. Reasonable evaluation includes knowing where and how to find relevant information, how to separate fact from opinions, how to recognize poor reasoning, and how to analyze information and the reliability of sources. ¡¾1¡¿
Go to the original source. Media reports often simplify the results of medical research. Find out for yourself what a study really reported, and determine whether it was based on good science. Think about the type of study. ¡¾2¡¿
Watch for misleading language. Some studies will find that a behavior ¡°contributes to¡± or is ¡°associated with¡± an outcome; this does not mean that a certain course must lead to a certain result. ¡¾3¡¿ Carefully read or listen to information in order to fully understand it.
Use your common sense. If a report seems too good to be true, probably it is. Be especially careful of information contained in advertisements. ¡¾4¡¿ Evaluate ¡°scientific¡± statements carefully, and be aware of quackery(½ºþÆÊõ).
¡¾5¡¿ Friends and family members can be a great source of ideas and inspiration, but each of us needs to find a healthy lifestyle that works for us.
Developing the ability to evaluate reasonably and independently about the health problems will serve you well throughout your life.
A. Make choices that are right for you.
B. The goal of an ad is to sell you something.
C. Be sure to work through the critical questions.
D. And examine the findings of the original research.
E. Distinguish between research reports and public health advice.
F. Be aware that information may also be incorrectly explained by an author¡¯s point of view.
G. The following suggestions can help you sort through the health information you receive from common sources.
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Long ago, in a far-away place, an old tribal chief found himself terminally ill. So he called three most promising young villagers to his bedside and said, ¡°As I ¡¾1¡¿ (leave)you soon, I hope you can do one more thing for me. Young men, you three are all ¡¾2¡¿ (usual)strong and resourceful, so I¡¯d like you to strive to climb that high mountain we have always been worshipping ¡¾3¡¿ a sacred place. Try to reach the top and then turn back to tell me about your findings.
Three days later, the first young man returned smartly dressed and said ¡¾4¡¿ (smile), ¡°Lord, I¡¯ve been to the mountaintop¡¾5¡¿ I saw flowers of all sorts, spring water and singing birds. That¡¯s a real nice place. ¡±
The old tribal chief replied with a smile, ¡°Son, I¡¯ve been there before. It¡¯s not the mountaintop ¡¾6¡¿ the foot of the mountain. You can leave now. ¡±
A week later, the second young man also returned. ¡°Lord, I¡¯ve been to the mountaintop ¡¾7¡¿ a forest of tall pine trees and vultures circling in the air. That¡¯s a really nice place. ¡±
¡°What a pity! ¡±said the chief. ¡°Son, you¡¯ve been halfway up the mountain rather than to the summit. Now you can leave. ¡±
A month later, the third young man showed up in rags, his hair off-colored but his eyes clear and bright.
¡°Lord, I succeeded in reaching the summit. There was nothing there but the highland wind and the blue sky ¡¾8¡¿ (hang)over the land. ¡±
¡°So you saw nothing at all? Not even¡¾9¡¿ butterfly? ¡±
¡°No, Lord, nothing. All you can see is yourself. You just feel how insignificant you are in this infinite universe¡¾10¡¿ standing at the top! ¡±
¡°Son, you¡¯ve reached the real mountaintop. Congratulations! You will be undoubtedly made our new tribal chief! ¡±
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Bad breath can be a major problem. The good news is that it can often be prevented with some simple steps.
Bad breath is caused by certain bacteria that grow in the mouth. When you don't brush regularly, bacteria accumulate in your mouth and between your teeth. ¡¾1¡¿ Certain foods, especially ones like garlic and onions that contain pungent (ÐÁÀ±µÄ£©oils, can contribute to bad breath because the oils are carried to your lungs and out through your mouth. ¡¾2¡¿ Some people think that as long as you brush your teeth, you shouldn't have bad breath. ¡¾3¡¿ That, however, just doesn't remove the smell. To sufficiently clean all the surfaces of your teeth, you should brush for at least 2 minutes at least twice a day.
Many people believe that if you breathe into your hand, you'll know when you have bad breath. But it¡¯s wrong! ¡¾4¡¿ When you talk, you tend to bring out the smell from the back of your mouth (where bad breath starts), which simply breathing doesn't do. Also, because we tend to get used to our own smells, it's hard for a person to tell if he or she has bad breath.
If you¡¯re concerned about bad breath, make sure you¡¯re taking care of your teeth and mouth properly. If you brush properly and visit your dentist for regular cleanings but your bad breath persists, you may have a medical problem. ¡¾5¡¿ They can figure out if something else is behind your bad breath and help you take care of it.
A. These bacteria make your breath smell.
B. In that case, call your doctor or dentist.
C. Smoking is also a major cause of bad breath.
D. Remember to brush your tongue, too ¡ª bacteria love to hang out there.
E. The truth is that most people only brush their teeth for 30 to 45 seconds.
F. When you breathe, the smell bounced back by your hand can be easily sensed.
G. When you breathe, you don^ use your throat the same way you do when you talk.
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¡¾1¡¿A d__________ person always tries to finish the job, no matter how hard it is.
¡¾2¡¿The concert went like clockwork because Li Pei had o__________ it well.
¡¾3¡¿It is difficult to be correct when you f__________ the future.
¡¾4¡¿I¡¯ve regretted that I seldom followed my own work s__________.
¡¾5¡¿She p__________ to stay at home in the evenings to watch TV those days.
¡¾6¡¿Xiaoming has just g__________ from his university, and he is planning for a long trip.
¡¾7¡¿The water went all over the fields and d__________ quite a few villages along the river.£¨»ÙÁË£©
¡¾8¡¿Water, food, and e__________ were hard to get after the earthquake.£¨µç£©
¡¾9¡¿People began to wonder how long the d__________ would last.£¨ÔÖÄÑ£©
¡¾10¡¿Workers built s__________ for the homeless people.£¨±ÜÄÑËù£©
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Your glasses may someday replace your smartphone, and some New Yorkers are ready for the switch. Some in the city can't wait to try them on and use the maps and GPS that the futuristic eyewear is likely to include.
¡°I'd use it if I were hanging out with friends at 3 a. m. and going to the bar and wanted to see what was open,¡± said Walter Choo, 40, of Fort Greene.
The smartphone-like glasses will likely come out this year and cost between $250 and $600, the Times said, possibly including a variation of augmented(ÔöÇ¿µÄ) reality, a technology already available on smartphones and tablets (ƽ°åµçÄÔ) that overlays information onto the screen about one's surroundings. So, for example, if you were walking down a street, indicators would pop up showing you the nearest coffee shop or directions could be plotted out and come into view right on the sidewalk in front of you.
¡°As far as a mainstream consumer product, this just isn't something anybody needs£¬¡± said Sam Biddle, who writes for Gizmodo.com. ¡°We're accustomed to having one thing in our pocket to do all these things,¡± he added, ¡°and the average consumer isn't gonna be able to afford another device (×°ÖÃ) that's hundreds and hundreds of dollars.¡±
Google publisher Seth Weintraub, who has been reporting on the smartphone-like glasses since late last year, said he is confident that this type of wearable device will eventually be as common as smartphones.
¡°It's just like smartphones 10 years ago,¡± Weintraub said. ¡°A few people started getting emails on their phones, and people thought that was crazy. Same kind of thing. We see people bending their heads to look at their smartphones, and it's unnatural,¡± he said. ¡°There's gonna be improvements to that, and this is a step there. "
¡¾1¡¿One of the possible functions of the smartphone-like glasses is to ____.
A. program the opening hours of a bar
B. supply you with a picture of the future
C. provide information about your surroundings
D. update the maps and GPS in your smartphones
¡¾2¡¿The underlined phrase "pop up" in the third paragraph probably means " ____".
A. develop rapidly B. get round quickly
C. appear immediately D. go over automatically
¡¾3¡¿According to Sam Biddle, the smartphone-like glasses are ____.
A. necessary for teenagers
B. attractive to New Yorkers
C. available to people worldwide
D. expensive for average consumers
¡¾4¡¿We can learn from the last two paragraphs that the smartphone-like glasses ____.
A. may have a potential market
B. are as common as smartphones
C. are popular among young adults
D. will be improved by a new technology
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One day when I was five years old, my mother took me to a swimming pool. She wanted to teach me how to swim. ¡¾1¡¿ (sad), I was almost drowned(ÑÍËÀ£¬ÄçËÀ). ¡¾2¡¿ I was rescued by a man, my mother was so ¡¾3¡¿ (frighten) that she decided never to let me get close to a swimming pool again. ¡¾4¡¿ , I thought quite differently. Instead of letting that horrible incident create more fear around water for me, I decided to become a good ¡¾5¡¿ (swim). After I told my mother about that, she thought I was right and ¡¾6¡¿ (agree). So I started to learn how to swim again. My mother became more careful and I was not in danger again. Later I became ¡¾7¡¿ interested in swimming that I decided to compete in swimming events. After years of efforts, my dream came true. I was the first African American ¡¾8¡¿ (win) an Olympic Gold Medal in swimming. I did so at both 2008 and 2012 Olympics.
Now I spend much of my time ¡¾9¡¿ (help) children learn how to swim. Hundreds of children each year drown in the United States. ¡¾10¡¿ (learn) how to swim can prevent 80% of these tragedies.
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¡¾1¡¿The ability __________ (express) an idea is as important as the idea itself.
¡¾2¡¿The players __________ (select) from the whole country are expected to bring us honor in this summer game.
¡¾3¡¿__________ (gather) around the fire, the tourists danced with the local people.
¡¾4¡¿Claire had her luggage __________ (check) an hour before her plane left.
¡¾5¡¿The next thing he saw was smoke __________ (rise) from behind the house.
¡¾6¡¿Michael put up a picture of Yao Ming beside the bed to keep himself __________ (remind) of his own dreams.
¡¾7¡¿More highways have been built in China, __________ (make) it much easier for people to travel from one place to another.
¡¾8¡¿He felt more uneasy with the whole class __________ (stare) at him.
¡¾9¡¿__________ (do) in a hurry, Tom's homework was full of mistakes and errors.
¡¾10¡¿I remember __________ (pay) for the job, but I forget the exact amount.
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¡¾ÌâÄ¿¡¿It is either he or you ______ in charge of the project and supposed to finish it punctually.
A£®who is B£®that is C£®who areD£®which are
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