How to Care for Your Ears?

        Ears not only let us hear, but they alsoplay a role in maintaining our balance, which is vital to our ability to function in daily life. Yet, we ignore them. We can't even see our ears, exceptin a mirror. We take for granted what they do for us day in and day out－untilwe notice something's wrong, such as when an earache strikes or when we starthaving to ask people to repeat what they say.{#blank#}1{#/blank#}

◆ Clean your ear with a washcloth－coveredfinger only.

      Never put anything inside your earcanal, including cotton swabs (药签).{#blank#}2{#/blank#}．

◆ Leave earwax(耳垢)alone.

      Wax is your ear's way of eliminating(消除)anything foreign that gets into the ear canal.{#blank#}3{#/blank#}If you find you have too much earwax,use a few drops of earwax remover(去除剂) in the canal. After a few minutes,wash the ear with warm water.

◆ Avoid noisy places.

      Rock concerts and construction sites are just a few places that frequently have noise levels that can damage hearing.Any place where you have to shout to be heard should be avoided.

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      Be careful not to play MP3 too loud, especiallyif using earphone.

◆Be careful with illness andmedications.

      Respiratory (呼吸的) illnesses should be treated to avoid their spread to the ears. Certainmedications can damage hearing, so follow the directions carefully beforetaking them.

      See your doctor if you suffer fromsudden hearing loss or hear noises in your head.   

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A. Most people don't need to clean waxout of their ears.

B. In such case, go to see a doctor assoon as possible.

C. These can be symptoms of a seriousillness which needs to be treated.

D. This article will show you how tocare for your ears.

E. Turn the volume(音量)down

F. Avoid using earphones while listeningto MP3.

G. Your ear canal is very narrow, and aswab can damage it.

    Most people, when they travel to space, would like to stay in orbit (轨道) for a few days or more. And this stands to reason, if you're paying $ 20,000 for your trip to orbit! So in order for tourism to reach its full potential there's going to be a need for space hotels. What would a space hotel actually be like to visit? Hotels in orbit will offer the services you expect from a hotel—private rooms, meals, bars. But they'll also offer two unique experiences: impressive views—of Earth and space—and the endless entertainment of living in zero gravity—including sports and other activities that make use of this.

    The hotels themselves will vary greatly—from being quite simple in the early days to huge luxury (奢侈的) structures at a later date. It's actually surprising that as later as 1997, very few designs for space hotels were published. This is mainly because those who might be expected to design them haven't expected the costs to come down far enough to make them possible.

    Lots of people who've been to space have described vividly what it's like to live in zero gravity. There are obviously all sorts of possibilities for dancing, gymnastics, and zero-G sports. Luckily, you don't need to sleep much living in zero gravity, so you'll have plenty of time for relaxing by hanging out in a bar with a window looking down at the turning Earth below.

    Of course all good things have come to an end, unfortunately. And so after a few days you'll find yourself heading back to the earth. You'll be thinking how soon you can save up enough to get back up again-or maybe you should change jobs to get to work in an orbiting hotel!

    Persuasion is to convince someone to agree with you, just like art which also calls for special techniques to accomplish. According to the ancient Greeks, there are three basic tools of persuasion: ethos, pathos and logos.

    Ethos is a speaker's way of convincing the audience that he is trustworthy, honest and reliable. One common way a speaker can develop ethos is by explaining how much experience or education he has in the field. After all, you're more likely to listen to advice about how to take care of your teeth from a dentist than a fireman.

    Pathos is a speaker's way of connecting with an audience's emotions. For example, a politician who is trying to convince an audience to vote for him might say that he alone can save the country from a terrible war. These words are intended to fill the audience with fear, thus making them want to vote for him. Similarly, an animal charity might show an audience pictures of injured dogs and cats to make thee viewers feel pity, so they will be more likely to donate money.

    Logos is the use of facts, statistics or other evidence to support your argument. An audience will believe you if you have convincing data to back up your claims. Presenting this evidence is much more persuasive than simply saying “believe me”.

    Although ethos, pathos and logos all have their strengths, they are often most effective when used together. So, the next time you listen to a speech, watch a commercial or listen to a friend try to convince you to lend him some money, be on the lookout for these ancient Greek tools of persuasion.

    Susan couldn't help it. She and her friends began lunch with cheese. Then they ate cheeseburgers and drank milk. Things seemed fine, but then suddenly Susan's stomach started making noise. Her stomach hurt, and, racing to the restroom, she had terrible gas! She was so ashamed. She had been so excited to go to lunch with her friends that she totally forgot to watch how many dairy products (奶制品) she ate! Susan is lactose intolerant (乳糖不耐受的), and eating too many dairy foods can make her feel really sick.

    Lactose intolerance means that the body can't easily digest (消化) a special sugar called lactose. Unfortunately for Susan and millions of other people with this problem, lactose is found in almost all dairy products — cheese, milk and ice cream.

    Our body uses lactase (乳糖酵素) to break lactose into a simpler form of sugar. Once lactose is broken down, it's easy to digest and it provides great energy for the body. But people like Susan don't have enough lactase to break down all the lactose they take in. So, about half an hour to two hours after eating dairy­rich foods, their stomachs begin to hurt and they have gas, making their stomachs get bigger. Sometimes they even get diarrhea (腹泻) when they eat too many dairy foods.

    So how can someone living with this problem still eat out with his or her friends? Here are some tips. If you're going to eat a dairy­rich food like ice cream, eat something that doesn't have any dairy with it, like a salad or a sandwich without cheese. This will help slow digestion, and your body will have time to create more lactase.

    Google's new camera, called Clips, is a small, smart device. It comes with a case that has a clip (夹子), but it's not designed to be worn on your clothing. Most interestingly, it uses artificial intelligence to take photography out of your hands so it can capture moments on its own.

    This roughly 2-inch by 2-inch camera, with a three-hour battery life and Gorilla Glass for toughness, is intended for candid moments, like when a child does something cute that may happen too quickly for you to pull out your smartphone.

    Onboard the Clips device, it uses machine learning algorithms (计算程序) to help capture scenes. Those algorithms include face recognition. "Once it learns that there's a face you see frequently, it'll try to get nice photos of those faces," said Juston Payne, the device's product manager. And they also want it to recognize facial expressions, which involved "training it to know what happiness looks like". The Google team also trained it to recognize what not to shoot—like when a child's hand is over the lens, or if it is tossed in a dark purse.

    The only way to see the images is by connecting the camera with your phone, as it has no screen for viewing or editing.

    Were people concerned it could seem strange? Yes, Payne admitted. But they said they addressed that by making it obvious what it is. A green light on the front signals that it is on. Besides, unlike a camera meant to monitor your home, it is not connected to the Internet.

    "This product is only possible because of the way that silicon has advanced" Payne said, noting that it was only in the past year or so that they could squeeze the technology down into a device this size. Going forward, we're likely to get more assistance from the artificial intelligence packed into our apps and gadgets.

    Born in the 1950s, shopping malls were once the symbol of the U.S. consumer culture, but many are now dying out.

    Dying shopping malls can be found across the United States, often in middle-class suburbs. Economic decline in certain areas together with an upward trend towards online shopping and new forms of urban shopping centers have pushed the once seemingly unbeatable shopping malls into decline. It is estimated that 15 to 50 percent of shopping malls may close in the coming decades.

    American shopping culture follows its housing culture. Numerous shopping malls were therefore born after the Second World War, as Americans with cars and fat wallets moved to the suburbs. U.S. shopping malls were built at a rapid pace as shoppers fled cities, peaking in the mid-1990s when they were being built at a rate of 140 a year. Thus, too many shopping malls are left though construction has gradually decreased since then.

    Currently, there are around 1,500 shopping malls across the U.S. Most share a handful of similar feature. They usually contain two or three stories of stores separated by walkways. Food courts serve pizza and other fast food. Parking lots are big enough to easily misplace a car.

    Shopping malls in Europe might contain grocery stores or childcare centers, while those in Japan are often built around mass transit (交通枢纽). But the suburban American shopping malls are hard to get to and mainly sell clothes and gifts.

    As many shopping malls became redundant (过剩的), leaders in many U.S. towns who once fought for malls now struggle with how to transform them to new uses. Highland Mall in Texas is being transformed into a community college campus, and Lakeland Mall in Florida now houses a megachurch (大型教会). Others have been redeveloped to include housing, offices and even green space. However, it is hard to imagine every shopping mall meeting the demands for such transformations.