Auctions(拍卖行) are everywhere. Here are just a few standouts and some of the areas they specialize in. All have brick-and-mortar(实体的) sales rooms in addition to online buying.

    Leslie Hindman Auctioneers

    Headquarters(总部): Chicago

    Founded: 1982

    Best bets: contemporary art, jewelry

    The founder, Leslie Hindman, has been on an expansion kick from her Chicago base and now runs eight offices across the country. Ms. Hindman said that plenty of items sell at her house for around $500. As in the auction world generally, jewelry and contemporary art receive lots of attention from bidders(出价者), and in2017 a diamond ring sold for $97,000.

    Swann Auction Galleries

    Headquarters: New York

    Founded: 1941

    Best bets: books, works on paper, African-American art

    Founded as a rare-book auctioneer, Swann still holds dozens of such sales a year. The president, Nicholas D. Lowry, noted that Swann was the first auction house to sell old photographs, in 1952.The house has also had a department of African-American art for 12 years.

    Stair Galleries

    Headquarters: Hudson, N.Y.

    Founded: 2001

    Best bets: English and Continental furniture and paintings, modern and contemporary art

    Colin Stair, the founder and president, comes from a long line of antiques dealers (商人). Stair is frequented by dealers and bargain hunters, and it's a place to find interesting things like a George I carved walnut wing armchair, coming up as part of a sale on April 28 and 29.

    Heritage Auctions

    Headquarters: Dallas

    Founded: 1983

    Best bets: coins, sports memorabilia, movie posters

    With roots in coin auctions, Heritage has grown quite large. But their bread and butter are items that the company president, Greg Rohan, calls "the kinds of things that everyone has." "People aren't buying what were selling for decoration or for resale," he added. "They're buying things they absolutely love."

    The summer I turned 16, my father gave me his car — a gift wasted on me at that age. The important thing was that Hannah and I could drive around.

    Hannah was my best friend, a year younger but much taller, almost five foot ten. "Hannah's a knockout, "my mother always said. And that summer she signed with a modeling agency. She was already doing runway work.

    A month after my birthday, Hannah and I went to the movies. On the way home, we stopped at the McDonald's drive-through, putting the fries on the seat between us to share. "Let's ride around a while, "I said. It was a clear night, full moon slung(悬挂)low over the desert. Taking a turning too fast, I plowed (撞)through a neighbor's wall and drove into a full-grown tree.

    We were taken in separate ambulances. I'd cracked(使裂开)my cheek bone; Hannah's forehead had split wide open. End of her modeling career. What would I say to her?

    When her mother, Sharon, came into my hospital room, I started to cry. She sat beside me and took my hand. "I rear-ended(追尾) my best friend when I was your age, "she said. "I totaled her car and mine."

    "I'm so sorry," I said.

    "You're both alive," she said." The rest is window dressing. I forgive you. Hannah will too."

    Sharon's forgiveness allowed Hannah and me to stay friends throughout high school and college, to be at each other's weddings … The scars are so faded no one else would notice, but in the sunlight I can still see it just below her hairline — for me, a mark of grace(优雅).

    Microsoft PowerPoint is the world's most common presentation tool. It emerged from software company Forethought Inc in the 1980s. Bob Gaskins was the man behind it.

    "I knew in the early 80s that there were as many as a billion, a thousand million presentation slides being made per year just in America," Gaskins says, but they were all made by hand and almost nobody was using computers to do them.

    "It was clear to me that here was a huge application worth billions and billions of dollars a year that could be done on computers as soon as there was a revolution in the kinds of computers that we had."

    Gaskins was onto something, but it was a hard sell at the time. The software wouldn't run on any existing personal computers. Anyone wanting to use it had to buy a new machine. Even so, people bought personal computers for the first time in order to be able to use PowerPoint, says Wired magazine journalist Russell Davies.

    Davies explains that before PowerPoint, people used slides to convey information to groups — but anyone creating a presentation had to send away to get their materials made. It took a long time to do, was difficult to make changes and because it was so expensive, only the most senior people in an organisation got to do it.

    "PowerPoint," Davies says, "made it possible for everyone in an organisation to stand up and say their piece."

    PowerPoint has helped turn us all into presenters — but it' s also been accused of over-simplifying ideas and distracting (干扰)us from clear thinking.

    Sarah Kaplan is a management professor at the University of Toronto's Rotman School of Management. She has noticed that, rather than people asking for new analysis or insights in meetings, they were asking for more PowerPoint slides.

    Kaplan says that some CEOS, such as Amazon's Jeff Bezos, have banned its use. "He felt, and I think many people feel, that PowerPoint became such an object of the process that they lost the ideas inside of it and that is the risk."

    Naturalist John Muir called the Marin County woods named for him "the best tree-lover's monument that could possibly be found in all the forests of the world."

    Located only 11 miles north of the Golden Gate Bridge near San Francisco, California, USA. Muir Woods puts some of nature's most huge creations within reach of little feet, hands, and imaginations.

    "Muir Woods is home to a small forest of redwood trees that reach to the sky," says David Shaw of the Golden Gate National Parks Conservancy. "Redwoods grow taller than any other tree species in the world. The average age of the redwoods here ranges from 400 to 800 years old and many ancient specimens have been around for more than a thousand years."

    William Kent, the man who donated the 295 acres to create the Muir monument, grew up in Marin and played in similar redwood forests. That childhood experience inspired him to save the redwoods as an adult.

    "Young people can learn about young William Kent when they visit here," says ranger(护林员) Timothy Jordan. "Kent's early connection with nature developed his love of the outdoors. As an adult, he witnessed the destruction of many Bay Area redwood forests. This, with the writings of John Muir, inspired Kent's conservationism."

    Walking (and playing)in, on, and around the redwoods will help kids understand why young Kent was so fascinated(深深吸引) by the trees. Ranger Jordan encourages children to lie down and look up at the treetops, hug a redwood tree, and start a nature journal like John Muir.

    "Have kids find a redwood spray(小树枝)the same age as them, count the rings in trees, and sit inside of a hollow redwood tree on Fern Creek." he advises.

    After all the interaction, the kids just may be ready to rest. Take this time to "be quiet and listen to the sounds of the forest," says Shaw. "Encourage kids to think about how these trees have stood quietly through year after year of rain, sun, and sometimes even snow."

    It's very common these days for people to take some sort of regular exercise each week. But if you've never done it before, what's the best way to go about it?  He or she will create a personalized plan for you based on your aims.

    However, each hourly session can be steep considering you have to pay both the personal trainer and membership of the gym, too. So what's left? Well, if you have the courage to do it, you can make your own plan. It's relatively easy to do if you have the know-how.

    First, keep your fitness goal in mind. Are you looking to slim down or increase your abilities? Whatever it is, make sure the things you choose to do are achieving that goal. Next, do your research.  Watch as many of these as possible, but make sure to be a little critical of them — everyone has a different physique and what works for one may not work for another. Finally, keep your feet on the ground.  It takes at least three months to see any realistic body changes. And don't be overzealous(过度热衷的) — never work in pain — a good workout is difficult and challenging, but never painful. Pain means you are damaging yourself.

    If nothing else, focus on calisthenics (健身操).  Do as many of one exercise as you can without stopping, and then try and repeat that number twice more — make sure you sweat, and don't forget to rest for a minute in between each activity!

A. Be patient with yourself and set realistic goals.

B. But before you do, here are some basic pointers.

C. Well, many people make use of a personal trainer.

D. They just don't want to design their own workout plan.

E. These days, social media is full of fitness videos and advice.

F. Find a way to make each exercise more difficult as you get in shape.

G. These are the basic body movements which everyone can do anywhere.

    I was at a crowded grocery store not long ago. It was a weekday evening, cold and tense. People were carelessly 1 aisles(过道) and at one point, two women 2 for several minutes after running into each other.

    Things got 3 at the checkout line. The cashier scanned a man's discount card, but he misread the savings on her screen as an additional 4. He decided she was acting 5 and began to argue. The cashier tried in vain to reason with him. She 6 a manager, who accompanied him to customer service and moved to the next 7 in line.

    We've all witnessed 8 scenes like this in public places. My reaction when I see them is both personal and 9. I am a sociologist who studies how and why people communicate with one another — or why they 10 not to. To me, the grocery scene was another example of how our 11 in others has declined. But it was also a teachable 12 on how we can rebuild our faith — 13 with just one person.

    I 14 the nervous cashier. I got a bottle of water from a nearby cooler and handed it to her. "I felt 15 about how that man treated you and wanted to buy this for you," I said. Her face lit up, and we 16 as she scanned our items. She told me she had been 17 that evening through severe foot pain and would be having an operation later that week. I wished her well in her 18, and she thanked me as I left.

    Those are the balancing 19 that will add up to restore (重建)trust between people. You can start that pattern in someone else's life, even in a 20 as ordinary as the neighbourhood grocery store.

    As the rain starts to pound on the windows, you may find your dog hiding under a low piece of furniture or in the corner of a dark room. It's not unusual for a dog to attempt  (become) grounded during storms by seeking  lowest place in the house or some place near the house's pipes.

    But why? As you might suspect, noise is one of the  (reason). Thunder-storms can frighten dogs with noise phobia,  is a severe fear of loud noises. Noise phobias can start at any age and worsen over time if  (leave)untreated.

    Another reason is static electricity(静电). During a thunderstorm, static electricity in the clouds builds up, eventually  (burst) into lightning. Dogs can sense this static electricity, and often even before the storm reaches our own neighbourhood. Static electricity  (feel) by dogs through their fur. It could be  (help)to gently lead your dog to the bathroom and into the bathtub as the porcelain(瓷器)may  (actual) help block static electricity.

    At the same time, try not to take care  your dog too much. Otherwise, your dog may think that its behavior is something you'd like to see again.

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    Yesterday my mother let me to help her make chocolate cookies. First we measure ingredients(配料). As soon as the butter was soft, we put them into a large bowl and mixed it with sugar. Next, she asked me to add eggs into the butter or sugar. Then it was time to adding flour. You must be careful that you don't add too many flour at one time or you'll cover everything in a white dust. Final, we added chocolate and some nuts. The mixture put on a cookie sheet with a spoon and twenty minute later, our delicious creations were ready. After taste some, I found that cookies taste the best when they are still warm.

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