请阅读下列短文, 从短文后各题所给的 A、B、C、D 四个选项中, 选出最佳选项

    People often say you never get a second chance to make a first impression, and that's actually quite true.{#blank#}1{#/blank#}After all, making a good first impression is all about making others feel good when spending time with them. The following tips will help you make a positive impression every time.

● Dress appropriately

{#blank#}2{#/blank#} That meansdressing up or putting on nice, clean, situation-appropriate clothes for social situations. Itisn't difficult and it doesn't have to cost you much, either.

● Be aware of your body language

      Words express very little of what you say. Body language can tell someone a lot about your mood and confidence level{#blank#}3{#/blank#}Eyecontact is an easy way to make others feel comfortable, important and special. Nervous body language can make others uncomfortable and anxious. Try tobe aware of your body language when communicating with others.

● Respect the opinions of others

    Not everyone will have the same opinion with you, and friendly disagreements can be a gateway to a great conversation. Respect other people's right to have their own opinion. Respect the opinions of others even if you disagree with them.{#blank#}4{#/blank#}

●{#blank#}5{#/blank#}People love talking about themselves, but generally, you want to becareful of taking over the conversation. By listening carefully to what others are saying, you are not only making them feel important, but you can gather clues you need to keep the conversation going and bridge to new topics.

A．Be a careful listener.

B．Show an interest in every person you meet.

C．Smile especially when first meeting someone.

D．Make sure you look nice whenever you meet someone new.

E．Meeting new people and starting conversations is of tenchallenging.

F．Others will want to be with you and help you make a good impression.

G．Don't force others to believe what you believe or to seethings only as you see them.

    I've been researching my family tree since 1998 ，and I've long been curious about DNA as a way to learn more about my roots. The technology has come a long way in the last decade, and it's become more affordable too. Finally, I went ahead and ordered a Y-DNA test.

    The results came in my email inbox from the DNA lab! When I logged in to see the results, there are 29 living people today with whom I share a common direct male ancestor in about the last 1,000 years. They live in Ireland, England, Scotland, South Africa, the United States and probably elsewhere.

    I had two close matches, and the rest were more distant. They both live in Ireland! What makes the connection  to these two men so interesting is that most Irish genealogical (族谱的)records were burned in fires in Dublin and don't exist today. Without them, it's hard to trace Irish roots any further back than the 1800s. I've written emails to both of them and hope to hear back!

    I did some more research on my Y-DNA and found my direct male ancestors were Celtics. They seem to have lived in Western Europe at the time of Ancient Rome. Migration patterns show that my DNA group likely originated in Western Asia, living there 20, 000 and 30, 000 years ago. There are relatives with similar DNA going thousands of years back in what is now Iran, India, Syria, Israel and Turkey.

    I was so excited by these results that I decided to trace my motherly line too. My DNA is already at the lab, so now I just have to wait another month or so, and I'm sure to find more interesting things.

    There are plenty of beauty schools throughout the country that can help you to start a career in cosmetology(美容业). Nowadays, young people may not be able to afford a four-year college. Students can look forward to attending a beauty school program which will only take a few months to complete and start their career right away to earn money.

    There can be many benefits of going to beauty school. The expense is much less than attending a four-year university. Besides, attending beauty school is mostly a hands-on(动手的) experience which appeals to many people. Some students don't like sitting all day listening to lectures and then having to study at night. What's more, most beauty school programs keep up with the changing trends and fashion. So you will always be working on different hair types which can be fun and will give you a lot of experience throughout the years of your career.

    If you are worried about finding a job after graduation, many beauty schools will offer assistance for immediate job placement and give you peace of mind that you will not be stranded looking for a job. Most colleges and universities are not equipped to do that because of the large number of graduates each year.

    Cosmetologists will also make a good salary. The average salary will depend on your location, but you may earn a salary around $3,000--$3,500 a month. This is not including tips which could be $600 or more a month. Not only can young people go to cosmetology school, but people of all ages can start this career. As you can see, there are many benefits of beauty schools that can be the perfect opportunity for anyone to become a great cosmetologist.

    My mother raised me as best as she could, taking on odd jobs in the neighborhood for money. Still without a father to tell me how to act and what was expected of me, I felt lost. I wandered for years and got involved with tough guys on the East Side of New York. They would fight madly over a dropped coin. They would steal to get what they wanted. I wanted to be like them.

    It was lucky for me that I left the city and entered a world of discipline (纪律), after following my mother's advice. During three years of military service, I had time to rethink my life, and my thoughts often ran to my mother. I realized suddenly just how much of a heartache I must have been to her, how little I had noticed her suffering. When my father left this world, my mother was completely alone. To support us, my mother cleaned apartments and took in washing and ironing from the neighbors. And as she worked hard at this labor, she kept her head high. Each week she would bring a pile of books home from the library and read to us. My mother had wanted nothing more, than for me to turn into an honest responsible man. But I had acted against her. Finally, almost too late I had the sense to feel shame.

    Ten years passed and I returned to the apartment on the East Side. I knew I wouldn't fall back in with the wrong people, although I still wasn't sure where I was heading. My mother, I could tell, was worried about me. In my neighborhood, to become a police officer or a firefighter was a mark of significant social success and achievement. For me it was an opportunity for a real start in life. I wondered if I was up to it, but I knew that it was time to try. When I found myself in the big hall raising my hands to take the firefighters oath (誓言) of office, my mother was sitting a few rows behind with a smile of relief. She knew that at last I was off on life's road and moving steadily. Her smile said, “My job is finally done.”

    We're surrounded by chemistry in everyday life. Sometimes it is easy to see, like when your science teacher conducts a big experiment in class. At other times, it can be extremely hard to see everyday chemistry at work, but nearly everything you touch or use has some element of chemistry in it.

    Something as simple as toothpaste contains at least three chemicals, if not more. It is the mixture of them and its chemical reaction that keeps your teeth clean. Other things you use every day are created by chemistry, such as hair products, shampoo and soap. Adding detergent (洗涤剂) to water involves chemistry. Without chemistry, we would never have realized that we need soap to get the oil out of clothes or skin.

    Chemistry not only helps us make products for use, but it also helps us understand the world around us. Chemistry helps us understand what the ozone layer (臭氧层) is and how it protects us. Chemistry also gives us sunscreen to protect us from the sun. Thanks to chemistry, we know bleach (漂白剂) can't be mixed with vinegar, because it can produce poisonous gas. Without chemistry, we wouldn't have had fireworks displays on important days like the Spring Festival.

    Chemistry plays a big role in food preparation. Cooking food causes it to go through a chemical change. That is why cooked food often tastes different from raw (生的) food. Baking is a great example of chemistry. Too much or too little of any ingredient makes a difference to the result of baking, for example, the dough (面团) won't rise or the cake will be flat.

    Chemistry isn't something that just lives in a lab; it's something that you come across hundreds of times every day. If you know how chemistry works, you will get a greater comprehension of the science behind some of the simplest looking things.