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Population Change

    Why is the world's population growing？The answer is not what you might think. The reason for the explosion is not that people have been reproducing like rabbits, but that people have stopped dropping dead like flies. In 1900,people died at the average age of 30.By 2000 the average age was 65.But while increasing health was a typical feature of the 20^th century, declining birth rate could be a defining one of the 21^st.

     Statistics show that the average number of births per woman has fallen from 4.9 in the early 1960s to 2.5 nowadays. Furthermore, around 50% of the world's population live in regions where the figure is now below the replacement level(i.e.2.1 births per woman)and almost all developed nations are experiencing sub-replacement birth rate. You might think that developing nations would make up the loss(especially since80% of the world's people now live in such nations),but you'd be wrong, Declining birth rate is a major problem in many developing regions too, which might cause catastrophic global shortages of work force within a few decades.

     A great decline in young work force is likely to occur in China, for instance. What does it imply? First, China needs to undergo rapid economic development before a population decline hits the country. Second, if other factors such as technology remain constant, economic growth and material expectations will fall well below recent standards and this could invite trouble.

     Russia is another country with population problems that could break its economic promise. Since 1992 the number of people dying has been bigger than that of those being born by a massive 50%,Indeed official figures suggest the country has shrunk by 5% since 1993 and people in Russia live a shorter life now than those in 1961.Why is this occurring? Nobody is quite sure, but poor diet an above all long-time alcoholism have much to do with it. If current trends don't bend. Russia's population will be about the size of Yemen's by the year 2050.

     In the north of India, the population is booming due to high birth rates, but in the south, where most economic development is taking place, birth rate is falling rapidly. In a further twist, birth rate is highest in poorly educated rural areas and lowest in highly educated urban areas. In total,25% of India's working-age population has no education. In 2030,a sixth of the country's potential work force could be totally uneducated.

    One solution is obviously to import foreign workers via immigration. As for the USA, it is almost unique among developed nations in having a population that is expected to grow by 20% from 2010-2030,Moreover,the USA has a track record of successfully accepting immigrants. As a result it's likely to see a rise in the size of its working-age population and to witness strong economic growth over the longer term.

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    When Ron first started with his organization, he loved his job. He went into work every day filled with purpose and passion (热情). Three years later, however, it was hard to recognize him. Now, Ron detests going to work. He feels that his work is meaningless, he's always stressed, and he calls in sick frequently.

    These are basic symptoms (征兆) of burnout. If you've experienced this yourself, it's important that you should know how to recover from it before you have difficulty in having a sense of satisfaction and then dislike your job.

    You first need to know why you've experienced burnout. First, look at any resentment (愤怒) that you feel towards your work. Often, feelings of resentment point to something important that is missing.

    Here's a good example. Jennifer manages a team around the world, so her workday often starts at 6 a.m. She doesn't mind this because she likes her team and her job. But she feels resentful when her boss forgets that she starts work so early and repeatedly asks her to stay late, which causes her to miss important time with her family.

    In this example, burnout wouldn't happen if Jennifer disliked her job; in fact, she loves what she does. She experiences burnout because she hates missing out on family time in the evenings.

    Take time to think about any negative feelings that you have about your role, and try to get to the root of the problem. Once you've known the cause of your burnout, write down at least one way that you can manage that source of stress. This might include giving some of your duties to others, working from home one day a week, or even changing roles.

                                          How to Care for Your Ears?

    Ears not only let us hear, but they also play 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, except in a mirror. We take it for granted what they do for us day in and day out—until we notice something wrong, such as when an earache strikes or when we start having to ask people to repeat what they say.{#blank#}1{#/blank#}

    ◆Clean your ear with a washcloth—covered finger only.

     Never put anything inside your ear canal, 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 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.

    ◆{#blank#}4{#/blank#}

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

    ◆Be careful with illness and medications.

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

    See your doctor if you suffer from sudden hearing loss or hear noises in your head.{#blank#}5{#/blank#}

A. Turn the volume(音量) down.

B. Avoid using earphones while listening to MP3.

C. In such case, go to see a doctor as soon as possible.

D. This article will show you how to care for your ears.

E. Most people don't need to clean wax out of their ears.

F. Your ear canal is very narrow and a swab can damage it.

G. These can be symptoms of a serious illness which needs to be treated.

    {#blank#}1{#/blank#}You probably think you will never be a top student. This is not necessarily so, however. Anyone can become a better student if he or she wants to. Here's how:

    Plan your time carefully. When planning your work, you should make a list of things that you have to do. After making this list, you should make a schedule of your time. First your time for eating, sleeping, dressing, etc. Then decide a good, regular time for studying. {#blank#}2{#/blank#}A weekly schedule may not solve all your problems, but it will force you realize what is happening to your time.

    Find a good place to study. Look around the house for a good study area. Keep this space, which may be a desk or simply a corner of your room, free of everything but study materials. No games, radios, or television. When you sit down to study, concentrate on the subject.

    Make good use of your time in class.  {#blank#}3{#/blank#}Listening carefully in class means less work later. Taking notes will help you remember what the teacher says.

    Study regularly. When you get home from school, go over your notes, review the important points that your teacher is going to discuss the next day, read that material.  {#blank#}4{#/blank#} If you do these things regularly, the material will become more meaningful, and you'll remember it longer.

    Develop a good attitude towards tests. The purpose of a test is to show what you have learned about a subject. They help you remember your new knowledge. The world won't end if you don't pass a test, so don't be over worried.

    {#blank#}5{#/blank#} You will probably discover them after you have tried these.

A. There are other methods that might help you with your studying.

B. Don't forget to set aside enough time for entertainment.

C. Take advantage of class time to listen to everything the teacher says.

D. No one can become a top student unless he or she works hard.

E. Maybe you are an average student.

F. Make full use of class time to take notes of what the teacher says in class.

G. This will help you understand the next class.

    As is well-known, drinking water benefits one's health. Especially when you get up early in the morning, you'd better drink water. Here are some reasons why you should do so.

    Improves Your Metabolism(新陈代谢)

    Studies have shown that drinking water on empty stomach can help increase metabolic rate up by 30%. This means that the rate at which calories are burned increases by nearly one third. Do you know what that means? Quicker weight loss!

    If your metabolic rate is high, then you will be able to digest food faster and maintain a slim figure despite eating those extra calories. However, this doesn't mean that you could bite down on all that junk food. Furthermore, you will need to drink around four litres of water daily for best results.

    Helps in Clearing Your Bowels

    Constipation(便秘) is one of the most irritating conditions which also results in deposit of poisonous materials inside the body. But did you know that one of the other benefits of drinking water is that it helps to clear out your bowels? The colon(结肠), which is in part responsible for bowel movements, require water to function properly. So just gulp down a glass of water and sit on your toilet for a clean colon.

    Improves Your Appetite

Early in the morning, with your stomach totally empty, it is natural you will feel hungry. So another benefit of drinking water is preparing you to have the most important meal of the day — breakfast. Besides this, we all know that having a healthy appetite is good for overall health.

Helps to Balance Your Nervous System

    Yes, drinking water on empty stomach especially if it's hot, can improve the health of your nervous system. Early morning, the stomach is most receptive. At this moment, if you indulge in coffee, which is a central nervous system stimulant, your nervous system will be affected from the get-go. On the other hand, if you just have a glass of warm water, it can ease your nervous system, which will help it function properly.

    Prevents Migraine(偏头痛) Attacks

    Again, if you tend to suffer from migraine attacks, then water can help fight it off. Your doctor might have already told you that migraines happen due to lacking water amongst other reasons. So just by increasing your water intake, you are basically preventing your chances from suffering another migraine attack.

    Prevents Early Aging

    And now to finish off, let's see how drinking water on empty stomach can prove to be some sort of good medicine. Water can help release toxins such as bacteria and other harmful elements from your system. This, in turn, can help your body fight the effects of free radicals(自由基) which can cause early ageing. Furthermore, if your skin doesn't lack water internally, it will feel refreshed, which can help it maintain a young state and shiny appearance.

    Now that you've learned the above benefit of drinking water early in the morning, why not develop the healthy habit from now on?