No one wants to look silly or do the wrong thing at a new job．It's important to make the right impression(印象)from the first day．You will face new people．You will be in a new place．It may be difficult to know what to do．Here are seven tips to help you make it through the first days at a new job：

　　1．First impression is important．Make sure you make a good one．Before your first day, find out if your new job has a dress code．If so, be sure to follow it．No matter what you wear, always be neat(整洁)and clean．

　　2．Get to work on time．Employers value workers who come to work on time．Give yourself an extra 15 minutes to make sure you arrive on time．

　　3．Pay attention to introduction．One of the first things that your supervisor(主管)may do is to introduce you to co-workers．These co-workers will be important to you．They are the ones who will answer your questions when the boss isn't around．

　　4．Ask plenty of questions．Make sure that your supervisor has told you what your are expected to do．If he or she has not told you your job duties, ask for a list．Set daily and weekly goals for yourself．

　　5．Don't make personal phone calls．You should never make personal phone calls to your friends and family unless it's an emergency．

　　6．Don't take too long for lunch．What's the lunch-hour policy at your new job?You can find out from your supervisor or your company's personnel department(人事部门)．For example, do people eat at their desks or does everyone take a full hour outside the workplace?

　　7．Never be the first one to leave．Observe how your co-workers behave around quitting(离开)time．It does no good for you to be eager to leave．

　　Without plants, people could not live．We eat plants．We take in oxygen(氧)that plants make．And we need plants for another reason：we need them because they are beautiful．

　　Imagine a world with no plants．Imagine no flowers with their sweet smells, their beautiful colors and their lovely shapes．Imagine, when the wind blows, we are not able to hear the leaves of the trees or watch the branches swing(摇摆)from side to side．

　　Everywhere people need beautiful plants．That is why we have parks full of trees and flowers．That is why people always like houses with rooms for some grass and a garden．

　　Do you talk to your plants?Do you give them love and take good care of them?Peter Tompkins and Christopher Bird, writers of a book called The Secret of Plants, tell of an experiment in which two seeds were planted in different places．While the plants were growing, one plant was given love and hopeful ideas．After six months, the beloved plant was bigger．Under the earth it had more and longer roots; above the earth, it had a thicker stem(茎)and more leaves．

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　　Do you like chocolate?Maybe most people do．A box of it can be a great gift．Buy one for a friend and give it as a surprise．See how happy that person gets．

　　Say you just got a box of chocolate．Which piece do you pick first?A man has studied people's choices．He says they tell something about the person．Did you choose a round piece?You are a person who likes to party．Did you choose an oval(椭圆形的)shape?You are a person who likes to make things．Picking a square shape shows something else．The person is honest and truthful．You can depend on him or her．

　　What kind of chocolate do you pick?Maybe you like milk chocolate．This shows you have warm feeling about the past．Dark chocolate means something else．A perso who chooses it looks toward the future．What about white chocolate?Would you choose it?If so, you may find it hard to make up your mind．Some people like chocolate with nuts(果仁)．These are people who like to help others．

　　Do you believe these ideas?Can candy tell all these things?It doesn't really matter．There is one sure thing about eaters of chocolate．They eat it because they like it．

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　　After the successful 29 th Olympic Games in Beijing, the whole world moved the sight into London．On 6 July,2005, at the 117 th International Olympic Committee(IOC)Session in Singapore, London(Great Britain)was elected to be the host city of the 2012 Olympic and Paralympic Games．

　　London is the capital of the UK(The United Kingdom of Great Britain and Northern Ireland)．It was founded in the year of 50, which was in the times of the Roman Kingdom．It was once called Londinium．In 1801, London become the biggest city in the world．

　　The mayor of London now is Boris Johnson．There are about 7.5 million people living in London now, and Chinese take a 1.4％ part．

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　　Frank Woolworth was born in Rodman, New York．, in 1852．His family were very poor farmers, and there was never enough to eat．Frank decided he did not want to be farmer．He took a short business course, and went to work as a salesman in a large city．

　　Woolworth realized he had a natural skill for showing goods to attract people's interest, but he soon learned something more important．One day his boss told him to sell some odds and ends(小商品)for as much as he could get．Frank put all these things on one table with a sign which said FIVE CENTS EACH．People fought and pushed to buy the things and the table was soon cleared．

　　Soon afterwards, Woolworth opened his own store, selling goods at five and ten cents．But he had another lesson to learn before he became successful．That is, if you want to make money by selling low-price goods, you have to buy them in large quantities directly form the factories．Once, for example, Woolworth went to Germany and placed an order for knives．The order was so large that the factory had to keep running 24 hours a day for a whole year．In this way, the price of the knives was cut down by half．

　　By 1919, Woolworth had over 1000 stores in the US and Canada, and opened his first store in London．He made many millions and his name became famous throughout the world．He always run his business according to strict rules, of which the most important was：“THE CUSTOMER IS ALWAYS RIGHT．”(词数268)

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　　When traveling abroad, it is wise to carry your money in traveler's checks because checks are protected against loss or theft．If your checks are lost or stolen, the issuing authority will refund(赔偿)your money．

　　Not only are they safe, they are also convenient．They are available in different currencies and they can be cashed at most banks throughout the world．Most shops, hotels and restaurants also accept them．

　　Traveler's checks are very easy to use．When you collect them, you sign each check once．The cashier enters the amount in your passport．When you cash, you sign each check again．The cashier will usually ask to see your passport again too．

　　To get traveler's checks you usually go to your bank．They can be paid in cash or in other ways．Large amounts, however, must be ordered in advance．

　　For the safety and convenience of traveler's checks, you are charged two commissions(佣金，酬劳)：an insurance commission when you buy them and an encashment commission when you cash them．

　　It is suitable to make a note of the serial numbers of your checks．Keep this separate from your traveler's checks．(词数191)

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　　Language is always changing．In a society where life continues year after year with few changes, the language does not change either．The earliest known languages had difficult grammar but a small, limited vocabulary．Over the century, the grammar changed, and the vocabulary grew．For example, the English and Spanish people who came to America during the sixteenth century gave names to all the new plants and animals they found．In this way, hundreds of new words were introduced into English and Spanish vocabularies．Today life is changing very fast, and language is changing fast too．

　　There are several major language families in the world．Some scientists say there are nine main families, but other scientists divide them differently．The languages in each family are connected, and scientists think that they came from the same parent language．About 3 percent of the people in the world speak languages that are not in these major families．(词数155)

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　　In Canada you can find dogs, cats, horses, etc．in almost every family．These are their pets．People love these pets and have them as their good friends．Before they keep them in their houses, they take them to animal hospitals to give them injections so that they won't carry disease．They have special animal food stores, though they can get animal food in almost every kind of store．Some people spend around two hundred Canadian dollars a month on animal food．When you visit people's houses, they would be very glad to show you their pets and they are very proud of them．You will also find that almost every family has a bird feeder in their garden．All kinds of birds are welcomed to come and have a good meal．They are free to come and go and nobody is allowed to kill any animal in Canada．They have a law against killing wild animals．If you killed an animal, you would be punished．If an animal happened to get run over by a car, people would be very sad about it．

　　People in Canada have many reasons to like animals．One of them might be：Their family ties are not as close as ours．When children grow up, they leave their parents and start their own life．Then the old will feel lonely．But pets can solve this problem．They can be good friends and never leave them alone．(词数242)

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　　Stress comes by any means and is, nowadays, unavoidable．How to get rid of stress without affecting any organs is a key to living a healthy and happy life．If you are so stressed out and really want to learn how to get rid of stress, let us learn some basic tips．

　　In order to learn how to get rid of stress, you must know the factors that give rise to this condition．Just noting down the activities that you performed just before you started feeling exhausted may help as many feel stressed after arguing with someone and others may feel so because of the things that have not gone the way expected．

　　Once you know the stressor, the best thing is to avoid．You can do it by quitting the room where argument has begun!Also, you should take things positively and not addict yourself to any debate．

　　Meditation(冥想)and Yoga are few of the exercises that have great positive effects on the human brain and regular practice of such exercises may help in relieving the stress permanently．

　　Nature has gifted us lots of herbs and natural things that help in learning how to get rid of stress．You must learn that herbs have been used to treat various mental problems including stress anxiety and depression．You can go for some herbs as a single herb supplement or can go for some patent formula(专利配方)that contains all these herbs．

　　You can also bank upon some alternative therapies(其他疗法)that help in getting rid of stressful condition．Periodically undergoing such therapies may help restoring the chemicals and comfort the neurotransmitters(神经介质)．

　　If your brain is calm, you do not have to worry about anything．Even health care providers believe that you must have some rest that comforts the brain．Go for an outing and relax yourself in some beautiful and peaceful places such as hilly areas, sea shores etc．You can plan this with your friends, family or colleagues．

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　　One type of South American ant is spreading around the world and is living in huge super-colonies．Not only that, but these natural fighters seem to know they are family, according to the latest scientific findings．

　　Over the years, the light brown Argentine ant has moved to other parts of the globe, possibly by hiding in people's suitcases and in cargo(货物)．This hasn't always been a good thing since the insects can destroy local plants and affect what animals in that area eat．

　　Ants are fierce fighters．They protect their territory(领地)from outsiders, including other types of ants and insects．But Argentine ants, though they live on separate continents, are rather friendly towards each other when they come together, scientists say．

　　There are three known super-colonies of Argentine ants．In Europe, one super-colony is located along the Mediterranean Sea．It is believed to be 3,700 miles long．Another super-colony is located in California．It covers about 560 miles．The third super-colony is on the west coast of Japan．

　　Scientists have discovered that the insects in the three super-colonies share similar chemical composition(成分)．This helps them recognize one another．To prove this, the scientists matched each super-colony with ants from a different colony in a similar part of the world．The Mediterranean ant colony couldn't get along with a smaller one from Spain．And the ants from the west coast of Japan couldn't get along with those from another area in Japan．But when the ants from the three super-colonies came together, they acted like old friends, greeting each other by rubbing antennae(摩擦触角)to say hello．

　　The scientists think that the Argentine ant super-colonies are one big family．Because they have similar chemical composition, the scientists believe they are genetically related．The ants recognize each other by the chemical composition of their outer shells．