The college entrance examination is just around the corner. Homework and tests will keep many of you up late at night, and you may plan to make up for your lost sleep during the weekends. {#blank#}1{#/blank#} is it useful? A study published in the journal Current Biology completely has changed {#blank#}2{#/blank#} people used to think. It shows that the habit of sleeping in on weekends doesn't fix the damage done by a lack of sleep during the week. Even {#blank#}3{#/blank#} (bad), it may damage your health.

I hadn't got exercise lately and felt a bit dizzy. I was a little1 . One of my friends invited me to show up to see a2 that they said would help me feel better. Little did I know that I was about to see something I would never forget.

They introduced a young3 , Mr Patrick Henry Hughes. He was4 onto the stage in his wheelchair and began to play the piano. His fingers5 across the keys as he made beautiful music. He then began to sing as he played, and it was even more beautiful. For some reason,6 , I knew that I was seeing something special. Ten minutes later, someone came on the stage and7 a video of Patrick Henry Hughes.

Patrick was born with no eyes and a tightening of the joints which left him8 for life. Before his first birthday, he9 the piano. On his second birthday, he asked to play it. His father was10 . "We might not play baseball, but we can play music together. "

Today, Patrick is a11 at university. His father attends classes with him and he has made nearly all "A" s. He is also a trumpet player of a band. He and his father do it together — they12 all the band practices and the half-time performance in front of thousands of people.

But even more than his13 musical talent, it was Patrick's attitude to gratitude that touched me. I will never forget that night, that smile, that music, but most importantly, that14 attitude to gratitude. Gratitude can change your attitude,15 your life forever.

In 2011, Nancy Ballard went for a routine check-up that turned into something extraordinary. In fact, she was carrying a painting of a plant she'd done when she arrived at her doctor's San Francisco office. "It would be great if we had artwork like that for our chemotherapy(化疗) rooms," the nurse said. Ballard asked to see one. 

She was shocked by what she found. The walls were dull and bare, and the paint was falling. It was a depressing room for a depressing routine—patients were restricted to chemo drips for perhaps several hours, often with nothing to look at other than those sad walls. Ballard didn't have cancer herself, but she could sympathize with the patients. "I couldn't imagine how anyone could even think about getting healthy in a room like that," she says. As it happened, Ballard's physician, Stephen Hufford, was ill with cancer himself, so finding time to decorate the rooms was low on his to-do list. So Ballard made it her task to brighten up the place. 

She started by emailing 20 local designers. "I wrote, ‘You don't know me. But my heart hurts after seeing these rooms,'" she remembers. She then asked whether they would donate their time and money to transform just one of Dr Hufford's rooms each. 

As it happened, six of them wrote back almost immediately. Six rooms got new paint, light fixtures, artwork and furniture. Dr Hufford was delighted. "All the patients feel relieved of the pain because of it," he said. He even noted that his own tone of voice was different in the rooms and that he was better able to connect with his patients. 

Ballard was so encouraged by the patients' reactions that she created a non-profit organization to raise money and decorate more spaces. Since then, she has worked on 20 projects, including one in Pennsylvania. "We were in Philadelphia for a ribbon-cutting(剪彩), and a woman was there on her third battle with cancer," says Ballard. "When she saw what we'd done, she said, ‘I'm gonna beat it this time. I thought I wasn't going to, but now I know I'm gonna beat it.'"

In early 2021, I hit a rut in my studies. Although I had been productive early in my graduate career, my long hours and hard work were no longer translating into success in the laboratory, and I felt hopeless about achieving my goals.

As I began to search for the cause of my struggles, I became increasingly aware that my "quiet time" at the lab bench was anything but. Instead of thinking about science, I was watching television or interacting with social media on my smartphone. Although I could mask this inefficiency (低效率) with longer hours, my work felt disorganized. Through reflection, I came to understand my problem.

To make a change, I reduced my connectivity by using a basic mobile phone without an Internet connection during work hours, and removing unnecessary apps from my smartphone when I did use it. Things didn't go smoothly in the beginning, but with time, I started reading papers during long experiments, and began a habit of writing in my down time. These practices have already made success: I am currently preparing a review article for publication with my adviser. I have also felt more engaged in meetings – coming better prepared, asking questions and taking hand-written notes. Perhaps most importantly, I have felt my anxiety about work efficiency disappear and that my disorganized work-life relationship is traded for one with clearer boundaries.

Changing my smartphone habits has also created challenges. Not all my friends have been supportive of my reduced connectivity, and I have missed messages on communication services. Yet these problems have been a small price to pay for increased productivity. So if you find yourself in this situation, I encourage you to build down time and uninterrupted study into your schedule, which could be significant for your success.

After months of preparation, my husband Bill and I flew to China to welcome our new daughter, our 18-month-old angel "Shirley". But when we picked her up, Shirley missed her Chinese mother so 1 she would barely look at Bill and me. Instead, she'd stand at our hotel room door and 2 for the only mother she had known. 

I was so embarrassed that lunch in a restaurant was out of the 3 . I was afraid people would think I was a "bad mother. " So I 4 our meals from room service. 

One time I chose the noodle plate and tried to use chopsticks for the very first time. The noodles kept 5 off my chopsticks. At this time, Shirley's screaming suddenly stopped. 

Peeking out of the corner of my eye, I saw her sitting in the room corner 6 me attentively. And in no time, a tiny hand came into 7 , took the chopsticks from my big hand. As I looked up, Shirley — with the chopsticks skillfully arranged in her little fingers — began expertly feeding me noodles, without 8 a single one. 

I looked at Bill, who was wide-eyed with 9 . "Do you think she would 10 me?" he wondered 11 . So, trembling with 12 , I asked, "Shirley, will you feed your daddy now?" and 13 to Bob. She nodded "yes" with a big smile on her face!

That meal was definitely a 14 experience. Shirley must have felt that we would 15 without her assistance!

It was a rainy windy October afternoon. Garth stood outside his house with a wide smile. This was 1 weather for testing his new invention—Umbrella Hat. He could hardly wait to see whether it could keep the rain off. He carefully 2 the hat on his head and started walking 3 along the street. It worked!

Suddenly, three boys in his neighborhood appeared and 4 him. Todd, the biggest one, pulled his Umbrella Hat off his head.

"What's THIS?" he asked.

"It's an Umbrella Hat. You can wear it on rainy days and…" Garth said.

The boys 5 , "Will anyone wear that stupid thing?" Todd threw the hat onto the ground and they ran off.

Garth picked up his Umbrella Hat from the ground in tears. "Maybe Todd was 6 …in reality, who would ever need his invention?" He lowered his head and thought to himself.

Suddenly he 7 and saw a lady looking at him. "I was just leaving my house 8 I saw you and those boys. Are you okay?"

Then she saw the 9 Umbrella Hat and asked, "Er… what's that?"

"It's my Umbrella Hat. I thought of it and made it myself…" answered Garth.

"What a creative 10 you have! Don't ever let stupid boys put you down! Keep inventing and one day you will 11 something really great!" said the lady.

"And you have given me a wonderful 12 ," she continued, "I have a gadget (小器具) shop—Gadgets4U—and I'd like to hold a 13 to find the best young gadget inventor in our town. I will display (展示) three best inventions in my shop. I'm sure you will have a(n) 14 of winning a prize."

Garth was very 15 . Gadgets4U was one of his favorite places and the thought of having his invention displayed in that wonderful place was too exciting for words. He suddenly felt much better and could already feel lots of new ideas coming out, waiting to spring into life!