Sleep is something we all do. But some people need to sleep more than others. Babies sleep most of the time. Children in school sleep about ten to twelve hours a night. Most adults sleep only seven or eight hours.{#blank#}1{#/blank#}All parts of our bodies have to rest after they work.. Our arms need a rest after we lift heavy thing, When we run fast, our legs work hard. They get tired. We have to rest them. Our brains workhard, too.{#blank#}2{#/blank#} We can sit quite still and rest our arms andlegs. But our brains aren't resting. They go right on thinking as long as weare awake.

      Our brains slow down a bit when we sleep and dream.{#blank#}3{#/blank#} Instead of thinking wide-awake thoughts, our brains make up dreams. Some dreams are very pleasing. Some are not. Most of thetime we forget them when we wake up.

      Scientists have tried to find out what would happen if people were not allowed to sleep. They asked some people not to go to bed. The people stayed up all night and all the next day. They stayed up the next night too,and the day after. They played games, but they made mistakes. They forgot things.{#blank#}4{#/blank#} The people grew rude and mean. They became angry with their friends. Finally they were too tired to stand up. When they sat down, they fell asleep.

Scientists have found that if people are not allowed to sleep and to dream, they act in an unusual way.{#blank#}5{#/blank#}But we do know that we need it to stay well. So tonight have a goodsleep. Lie down under the covers. Shut your eyes. Let your thoughts wander.Soon you'll stop thinking. You'll be asleep.

A. It was hard for their tired brains to work.

B. When we are awake, they help us pay attention to the worldaround us

C. But babies, children, and adults—all of us need to haveour sleep

D. Good sleep helps to improve one's memory

E. No one knows why sleep is so good for us

F. But even as we sleep our brains are doing some work

G. Of course you will have a good sleep

Ways to Have an Amazing Day

    I am a big believer in the Law of the Harvest: we harvest what we sow. If we plant the seeds of success every day, we will get a successful harvest. {#blank#}1{#/blank#}

Try new things

    So many of life's great experience wait just on the other side of our fears or our comfort zone. When the opportunity to try something new comes up, ask yourself, “Why not?” {#blank#}2{#/blank#} Don't miss out on the great moments that are waiting all around you every day!

Keep learning

    When we were kids it seemed that every day had something new that we had not experienced before. That is why young children will ask their parents “Why?” about a thousand times a week. {#blank#}3{#/blank#} A lifetime of learning leads to a love for life.

Be kind

    It has been said that you can measure a person by how he treats the people who can do nothing for him. How often do you stop to talk to the people you meet with every day？One great way to get more out of your day is to fill it with people you know. {#blank#}4{#/blank#} And take a moment to learn a little about them.

Find a purpose

    {#blank#}5{#/blank#} It may be to run a marathon, write a book, start a business, develop a product, or learn a new hobby or profession.

A. Have one or more big “life goals”.

B. If we don't plant enough, we cannot have a good harvest.

C. We are learning and growing.

D. You have to make the most of every day in life.

E. Provide meaningful services for other people in any situation.

F. Many of the great moments in life are linked to new experiences.

G. The best way to know more people is to be kind to everyone you meet.

    Some of the best things in life don't happen until you grow old enough to recognize them. I can say that about tea.

    I didn't start to drink tea until I was 35. What happened before that? The first time I felt a genuine urge to drink tea was in 2003, when I stayed briefly in the United Kingdom. After a time of consuming local food, I started to really like strong black tea. Although it was too strong to my tongue, I felt it was a necessity because it was comforting to my body.

    I took packs of green teas with me as gifts but was disappointed to find my British friends preferred much stronger black teas from Sri Lanka. Later I learned that although people know China for its teas, it ranks only third among the world's black tea exporters, after Sri Lanka and Kenya.

    After I came back to China and started to cover food stories, I met friends in the tea-drinking circle and learned more. Although the majority of the rest of the world drinks black tea, which the Chinese call“red tea”, China produces and drinks mostly green teas.

    I feel lucky to be Chinese because of the great variety of teas available in the country. It is estimated that there are more than 2,000 teas in China if you divide them geographically, including more than 600 locally famous brews. A more simple way to categorize (分类) is by color and extent of fermentation (发酵). That comes down to six main categories—green, white, yellow, dark-greenish (oolong), red and black teas.

    Tasting teas can be compared to our lives. They can be plain and predictable but sometimes they are full of pleasant surprises. Occasionally they can even seem too good to be true. The best thing is, you know there's always more to explore.

    After spending a long day driving the day before, Steinkamp left his hotel around 5:30 a.m. to a funeral in Green Bay, Wisconsin. About half an hour into his journey, he noticed a small strange sound coming from his front tire. By 7 a.m., he still had 70 miles ahead of him, but the noise was so loud that he knew he had no choice but to stop.

    Steinkamp figured there was little possibility that anyone in Wild Rose, Wisconsin-a tiny town with a population of 725-could help so early in the morning. Still, he look his chance at an auto repair shop. Luckily, Steinkamp spotted Glenn Geib stocking the shelves, and he asked for help.Giving Steinkamp a quick look, Geib asked why he was so dressed up, and Steinkamp explained his dilemma.

    The mechanic checked the car and told Steinkamp what he'd feared: the wheel bearing（轴承）was failing. Fixing it would take a few hours, but there was no chance the car would make it that distance without repairs.

    "I must have looked pretty stressed out at this time because Glenn then reached into his pocket, pulled out the keys to HIS vehicle and said 'Take my truck and get going,'" Steinkamp wrote in a Facebook post.

    The men had met just 10 minutes before and didn't know each other's names, but Geib insisted. Steinkamp made it to the funeral. When he came back to the garage seven hours later with a thankful heart, he stuck around to chat with Geib.

    "The 74-year-old mechanic turned a terrible day into a good one with a great lesson." Steimkamp wrote, "Just be kind and help if you can."

    It sounds almost too good to be true, but a new study on sleeping brains suggests that listening to languages while you sleep can actually help you to learn them.

    For the study, researchers played recordings of foreign words and their translations to subjects enjoying slow-wave sleep, a stage when a person has little consciousness of their environment. To ensure that the results were not compromised by foreign language words that subjects may have had some contact with at some point in their waking lives, researchers made up totally nonexistent foreign words.

    When the subjects woke up, they were presented with the made-up words again without their translations. The subjects were then asked to imagine whether this made-up word indicated an object that was either smaller or larger. This vague(模糊的)way of testing their understanding of the words is an approach that is supposed to tap into the unconscious memory.

    Unbelievably, the subjects were able to correctly classify the words in this way at an accuracy rate that was 10 percent higher than random chance. That's not a rate high enough to have them suddenly communicating in a foreign tongue, but it is enough to suggest that the brain is still absorbing information on some level, even during sleep.

    Researchers have long known that sleep is important for memory, but previously its role in memory was thought to relate only to the preservation and organization of memories acquired during wakefulness. This is the first time that memory formation has been shown to be active during sleep.

    In other words, our brains are listening to the world, and learning about it, even when our conscious selves are not present.

    The next step for researchers will be to see if new information can be 1earned quicker during wakefulness if it was already presented during sleep. If so, it could forever change how we train our brains to learn new things. Sleep learning might become a widespread practice.

    Alison Malmon was trapping up (完成) the end of her freshman year at the University of Pennsylvania, US when she got the news: Her older brother Brian, a student at Columbia University, was suffering from mental illness.

    Inspired by this, Malmon formed a group at her university to empower (使能够) students to talk openly about mental health. It soon blossomed into a national organization that today has more than 450 campus chapters. Leaders with the organization spend their time talking with college students about the pressure that today's young people face.

    "What you hear often is just a need to be perfect," said Malmon, "and a need to present oneself as perfect."

    And a new study in the UK proved that this need for perfectionism is simply part of today's society. In the study, two researchers studied more than 40,000 students from the US, Canada, and the UK. They found that what they called "socially prescribed(社会定向型的) perfectionism" increased by a third between 1989 and 2016.

    Lead researcher Thomas Curran said that while so many of today's young people try to present a perfect appearance online, social media isn't the only reason behind this trend. Instead, he said, it may be driven by competition in modern society, meaning young people can't avoid being sorted and ranked in both education and employment. That comes from new norms(准则) like greater numbers of college students, standardized testing and parenting that increasingly emphasizes success in education.

    For example, in 1976, half of high school seniors expected to get a college degree of some kind. By 2008, more than 80 percent expected the same. The researchers also said changes in parenting styles over the last two decades might have had an impact. As parents feel increased pressure to raise successful children, they in turn pass their "achievement anxieties" onto their kids through "excessive(过多的) involvement in their child's routines, activities or emotions"

    Those in the mental health community like Malmon say they're concerned about the impact the culture of perfectionism has on mental health on campuses. "Mental health has truly become this generation's social justice issue," she said. "It's our job to equip them with the tools and to let people know that it's not their fault."