Do you jump out of bed early, wide awake and ready to start your day？ If so, you would be called an "early bird". Perhaps, you hate the sound of your alarm clock（闹钟） each morning and have little energy until afternoon. If so, you're probably a "night owl".

    Most people can be divided into such two groups, but what makes us this way？ And is one better than the other？ There are different opinions.

    Usually, early risers have been praised as hard-working while those who prefer to get up late are considered lazy. Most people believe the early bird catches the worm.

    Yet some scientists now believe "night owls" can really focus(集中) longer and produce more than early risers.

    Research has found that the early bird does not always get the worm. In a Belgian study, both "morning people" and "evening people" were watched during their normal asleep and awake routines(常规).After 10 hours of being awake, the "evening people" became more alert(思维敏捷的). However, the "morning people" became sleepy and less focused. Researchers believe the reason for this difference is that night owls receive a last-minute increase from their brains. This added energy allows them to stay alert for longer periods of time.

    Environment, lifestyle, activities and childhood routines all may have an effect on sleeping habits, yet genetics(遗传学)may play the biggest role.

    It is possible to change your sleeping habits through regular bedtimes, early exercise and by avoiding midnight snacks. But if you're happy rising early or staying up late, you're probably doing what works best for your own personal body clock.

    Even before my father left us, my mother had to go back to work to support our family. Once I came out of the kitchen, complaining, "Mum, I can't peel (去皮)potatoes. I have only one hand. "

    Mum never looked up from sewing. "You get yourself into that kitchen and peel those potatoes," she told me. "And don't ever use that as an excuse for anything again!"

    In the second grade, our teacher lined up my class on the playground and had each of us race across the monkey bars, swinging from one high steel rod to the next. When it was my turn, I shook my head. Some kids behind me laughed, and I went home crying.

    That night I told Mum about it. She hugged me, and I saw her determined look. The next afternoon, she took me back to school. At the deserted playground, Mum looked carefully at the bars.

    "Now, pull up with your right arm," she advised. She stood by as I struggled to lift myself with my right hand until I could get the bar with my other elbow (月寸）.Day after day we practiced, and she praised me for every rung (梯级）I reached.

    I'll never forget the next time, crossing the rungs； I looked down at the kids who were standing with their mouths open.

    One night, after a dance at my new junior high, I lay in bed crying. I could hear Mum came into my room. "Mum," I said, weeping, "None of the boys would dance with me."

    For a long time, I didn't hear anything. Then she said, "Oh, honey, someday you'll be beating those boys off with a bat." Her voice was slight and cracking. I looked out from my covers to see tears running down her cheeks.

    Then I knew how much she suffered on my behalf. She had never let me see her tears.

    One of the most important aspects of an image is color. People are very sensitive to color, and different colors have different on people.

    In general, red is an exciting color, which creates an image of action, energy danger. Red is also the most frequently used color in flags. Eighty percent of the world's flags contain red. A study in Germany showed that football teams wearing red are more successful. Blue is a very calm color. Business executives usually wear dark blue suits. Blue is also a peaceful color. The flag of the United Nations is light blue. Yellow is associated with openness and freedom. Green is a very relaxing color. Surgeons nowadays wear green, because it's less tiring than white. Black creates an image of power and authority. It can also be a very threatening color. Gangsters and vampires often wear black, white is a pure and strong color. This is one reason why doctors wear white coats. We trust them more. Grey is a very anonymouscolor. People wearing grey don't want other people to notice them. Brown is the opposite of black. It's warm and friendly, while black is threatening

    TheChristianScienceMonitor is seeking editorial interns (实习生)with good journalism skills to write and edit in the Monitor's various columns and online platforms. Applicants must be self－starters(做事主动的人), and have great analytical skills, a basic understanding of world events, and an ability to write and edit with clarity and precision.

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    On Nov. 24, near Yellowstone's northeast entrance, Spitfire, a female grey wolf, was shot and killed by a hunter as she approached a group of cottages.

    "It was a legal harvest," Abby Nelson, a wolf management specialist said. "The facts are obviously a little bit harder for people to bear, but that pack has showed signs of habituation. They just stand there and have no fear. Wolf hunters can easily pick the one they want."

    The carefree relation that some Yellowstone wolves have built with humans is reportedly attractive for hunters who look for an easy kill.

    In the overnight, yet another famous Yellowstone wolf met a violent end outside the park, officials are actively rethinking how to manage wildlife habituation.

    Smith, a wolf biologist for Yellowstone, says, "Now we're thinking of pounding them," Park officials might use fireworks, and paintball or beanbag guns when they approach humans in the park. "If you get close to people, you're going to get attacked."

    If you think this sounds cruel, you're not alone. Seeing these creatures from the roads that wind through the park not only allows tourists to witness something amazing, but also to reconnect with nature in a way that is better than any conservation campaign. But there's a growing sense that the present policy of doing nothing isn't working; more wolves will unnecessarily die and the broken record of hunters scoring easy kills will go on.

    As Smith adds, urging people to keep wolves wild when meeting them halfway is a big ask. Still, he's hopeful to preserve the world's best place to observe free­ranging wolves; it's a policy change that tourists can be involved in.

    "... perhaps Spitfire's death will accomplish some good, and we'll all come together to do a better job on managing crowds and roads and wolves in Yellowstone, " Smith said.

    D. Mike Miles hadn't had a stable job in years. He bounced around from temporary agency to temporary agency, never sure when his last day would be. Sometimes, he lost a job with less than a day's notice. This was not due to a poor work ethic (职业道德) - from arriving early to staying late, Miles said he did everything he could to leave good impressions on employers in Lancaster, Pennsylvania, in the US. But because Miles had a criminal record, he was always cut loose when it was time to let staff go.

    "It was like walking on eggshells. You just never knew when you'd be gone," he said.

    After his release from prison in 2007, Miles struggled to find stability – both mentally and financially. During this time, he lived in his mother's house and she helped him raise his daughter. When his mom passed away two years later, Miles said he became more determined than ever to create a healthy environment for his family.

    "I'm all she has, and she's all I have," he said. "I had to build a whole new relationship with my daughter, while building a whole new life for myself."

    It wasn't until October 2015, nearly a decade after he got out of prison, that a cousin told Miles about a food company that hires people who have difficulty finding jobs.

    Hoping this would clear up what felt like a thick cloud of uncertainty over his future, Miles submitted an application. He got an interview and soon after that, began his new job. His work involves everything from food production to maintenance (保存), not to mention it pays a livable wage of $15 an hour. He said it's the best job he's ever had.

    Miles' story is rare in Lancaster, where the poverty rate is around 30 percent – about double the national average. This figure annoyed Charlie Crystle, the co-founder and CEO of the company that gave Miles his job.

    Crystle said he wanted to inspire other companies and entrepreneurs (企业家) to rethink their current practices and ignite(引发)conversations about minimum wage and employment opportunities for everyone, including ex-offenders (有犯罪前科的人).

    Beyond providing employment and livable wages, the company also helps employees deal with the many challenges of reentry into society. This means anything from helping them find housing and health benefits to changing their schedules.

    Miles is now saving for a house. "It doesn't have to be a big house," he said. "I just want to be stable."