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    FLORENCE, Italy—Svetlana Cojochru feels hurt. The Moldovan has lived here seven years as a caregiver to Italian kids and the elderly, but in order to stay she's had to prove her language skills by taking a test which requires her to write a postcard to an imaginary friend and answer a fictional job ad.

    Italy is the latest Western European country trying to control a growing immigrant(移民) population by demanding language skills in exchange for work permits, or in some cases, citizenship.

    Some immigrant advocates worry that as hard financial times make it more difficult for natives to keep jobs, such measures will become more a vehicle for intolerance than integration(融合). Others say it's only natural that newcomers learn the language of their host nation, seeing it as a condition to ensure they can contribute to society.

    Other European countries laid down a similar requirement for immigrants, and some terms are even tougher. The governments argue that this will help foreigners better join the society and promote understanding across cultures.

    Italy, which has a much weaker tradition of immigration, has witnessed a sharp increase in immigration in recent years. In 1990, immigrants numbered some 1.14 million out of Italy's then 56.7 million people, or about 2 percent. At the start of this year, foreigners living in Italy amounted to 4.56 million of a total population of 60.6 million, or 7.5 percent, with immigrants' children accounting for an even larger percentage of births in Italy.

    Cojochru, the Moldovan caregiver, hoped obtaining permanent residence(居住权) would help her bring her two children to Italy; they live with her sister in Moldova, where salaries are among the lowest in Europe. She was skeptical that the language requirement would encourage integration.

    Italians always “see me as a foreigner,” an outsider, even though she's stayed in the country for years and can speak the local language fluently, she said.

    The English language has a lot of words which can be used in many different ways and in many different experiences.

    One such example is the word matter. In fact, matter can mean just about anything. It could be one of the most useful words in the English language.

Let's get to the heart of the matter —- a matter of principle(原则).

    If someone says that you owe(欠) him $50, but you don't, a friend might say, "Well, you could pay him the $50. It's not that much money. Then you won't have to hear him say it anymore." But if you do not owe him the money, do not pay him the money. It's a matter of principle.

    There is another way to use the word matter. But be careful with your choices of words.

    If you ask someone, "What's the matter?", it shows you are worried about the other person. But saying, "What's the matter with you?" has a completely different meaning. And it usually sounds rude. In fact, when you say, "What's the matter with you?", you are suggesting that the person did something wrong or stupid.

    Another expression that could sound rude is to say, "It doesn't matter to me." Here, it depends on the context, and how you say it.

    Let's say you tell someone that a friend just got a big raise at work. That person answers with, "It doesn't matter to me." Here, it means he or she does not care. And it sounds rude.

    But saying, "Oh, you pick where we eat dinner. It doesn't matter to me." does not sound rude. In the situation, "it doesn't matter" shows you are easy-going.

    No matter how you look at it and what you say, matter is a very useful word. And it's only a matter of time before you will become an expert on the use of matter.

    So often I hear people justify（为……辩解）their lack of family trips because their children are not old enough to remember them. This reason is so confusing to me. Who would travel based on another person's memory?

    Of course the kids aren't going to remember anything in infancy（婴儿期）, but you will. You will remember all the sweet memories you had with them.

    My parents would take me to Guatemala as a child. I don't remember a lot of the trip, but I do know that when I went back as a young adult, I felt comfortable in my surroundings. I didn't spend my time there discovering a new way of life. I spent the time having fun with my family. I love looking at pictures that we took together when I was my son's age. I don't remember them, but that's not the point. The point is, I was there with my family, and I know I was happy.

    Now that I'm a parent, I can't help but do the same. Last year, we took our 2-year-old son to Disney alongside his great-grandmother. His great-grandmother had recently begun to suffer from Alzheimer's. That trip was timed in the most magical way — right before my son was old enough to remember it and right before his great-grandmother began to forget. This makes me want to cry for them both. How did we get so lucky to have this moment to share with each other before big changes influenced our family forever?

    Realistically speaking, many families do not have the opportunity to travel internationally or visit pricey theme parks. I understand this more than you know, but I'm talking beyond that. They are young but these forgettable moments are still changing them. They will shape your child into who they will be tomorrow. The memories we absorb as their parents are also as influential as we have not finished learning our truths either.

    A new Magic Bench designed by Disney Research lets you interact (互动) with lovely animated (动画的) character—and no special glasses or earphones are required. Instead, the complete environment-the seat, the sitter and the cartoon characters-is mirrored on a screen opposite the bench making it possible for others to watch the scene unfold.

    How does the illusion work? A camera and sensor catch images and gather depth information about physical objects the bench and the person. And then computer translates them into the 3D animations. Meanwhile sensors of touch built into the bench deliver shaking that is happening at the same time and speed to animated actions on the screen, creating the illusion that the animated figures are occupying real-world space next to the user.

    "Our goal for this project was: hear a character coming, see them enter the space, and feel them sit next to you," said Moshe Mahler, principal digital artist at Disney Research. Unlike the traditional mobile technology, one of whose limitations is that only a single user can see its illusion, the Magic Bench allows groups of people to gather in a single environment and collectively participate in an augmented—reality (扩充实境) experience, all at the same time.

    In a video show, a small cartoon donkey runs into view and kicks the bench, causing sharp sound and making the seated person jump in surprise. Another test shows two people on the bench, reacting as they feel an animated rabbit skip up beside them and jump up and down. When a user passes his hand over the rabbit, a shadow moves across its head, as though it were occupying the same physical space as the person next to it.

    We don't know how different our future will be in the future. We can only try to imagine it.

    At first we think about human relationship. In the year 2050, we will use computers almost every day. We will be making new friends through the Internet—even our husbands or wives will be met in this way. It will be much faster and easier for us. On the other hand, our relationships with people won't be as important as they are today—we will feel a little lonely.

    Computers will also help us in many other activities in 2050.For example, they will be used by the children at school to make their learning easier. In addition, there will be much more other machines which will play a similar role as computers, like robots which will do the housework for us.

    Spending holidays will also be completely different. Traveling to other planets or to the moon will be available for everyone. Means of transport will, of course, change, too. We will be using solar­powered cars, which will be much more environmentally friendly.

    We could expect that the faster technological progress would lead to a more polluted environment. But it isn't true. We will pay more attention to protecting the environment. And, scientists will probably find cures for many dangerous diseases, like cancer or AIDS. Therefore, our surroundings as well as health will be in better condition.

    Although we can't predict the exact changes which will be made in the world, we often think about them. We worry about our and our children's future; we have expectations, hopes as well as fears. But I think we should be rather optimistic about our future. We should be happy and believe good things will happen.

She is widely seen as proof that good looks can last forever. However, at over 500 years of age, time is catching up with the Mona____Lisa. 

The health of the famous picture, painted by Leonardo da Vinci in 1505, is getting worse year by year, according to the Louvre Museum where it is housed. 

"The thin, wooden panel(嵌板) on which the Mona Lisa is painted in oil has changed shape since experts checked it two years ago," the museum said. Visitors have noticed the changes but repairing the world's most famous painting is not easy. Experts are not sure about the materials the Italian artist used and their current chemical state.

 Nearly 6 million people go to see the Mona Lisa every year, and many are attracted by the mystery of her smile. "It is very interesting that when you're not looking at her, she seems to be smiling, and then you look at her and she stops," said Professor Margaret Livingstone of Harvard University. "It's because direct vision is excellent at picking up details, but less suitable to look at shadows. Da Vinci painted the smile in shadows."

 However, the actual history of the Mona Lisa is just as mysterious as the smile. Da Vinci himself loved it so much that he always carried it with him, until it was eventually sold to France's King Francis Ⅰ in 1519.

 In 1911, the painting was stolen from the Louvre by a former employee, who took it out of the museum and hid it in his coat. He said he planned to return it to Italy. The painting was sent back to France two years later.

 During World War Ⅱ, the French hid the painting in small towns to keep it out of the hands of German forces.

 Like many old ladies, the Mona Lisa has some interesting stories to tell.