1 . As soon as I started pedaling again, my pants got caught in the chain, and I fell flat on my face and hit my nose. Since that happened t my granddad decided to call it a day and try again the next morning. The next morning I woke up bright and early, and was very eager to try to ride my bike. My nose felt better, so I wasn’t that afraid of falling anymore.

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2 . When you need a job very much, you may end up taking

Of course, you may seek tasks and responsibilities that force you to learn something new or to work harder. “You may be operating on autopilot（习惯性地）right now, but chances are that people above you are stressed,” Sarah Hathorn says. “ Take things off your boss’s plate and let him know which projects or tasks you want to learn more about.”

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3 . Last year, after a winter of practicing skiing on the green tracks for beginners each week, Alicia was french-frying her way down blues and even attempted her first black. That month also witnessed me visiting the mountain more times than in the 15 years combined and I’ve got myself a partner for life.

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4 . Real riches consist of well-developed and hearty capacities (能力) to enjoy life. Most people are already swamped (淹没) with things. They eat, wear, go and talk too much. They live in too big a house with too many rooms, yet their house of life is a hut.

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5 . At the end of each day, the participants showed high activity in a brain area called the midbrain. The scientists were interested in two, small areas within it. Both areas produce dopamine, a chemical that is important in craving and rewards. The two areas activated when hungry participants saw pictures of tasty pizza or juicy hamburgers. After the volunteers had been isolated, those brain areas became active when they saw social activities they missed. It might be playing sports or chatting with friends.

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6 . Regulatory limits for how much PFAS food packaging should contain can vary greatly. For instance, a new law in California set the limit at less than 100 ppm. “Compared to America, Denmark sets a much lower regulatory limit of 20 ppm with great success,” said Xenia Trier, an expert at the European Environment Agency. “It does work to set limits and enforce them. PFAS do migrate from the paper into the food. Even though it was not 100%, we still saw considerable transmission. In general, transmission from packaging to food is increased as the temperature of the food rises. It is the same with the time spent in wrapping materials.” Trier told NBS, one of the major American mass-media companies.

7 . The creators of the wall hope it will bring an urgently needed solution to the threats facing the African continent, creating 10 million jobs in rural areas, as well as preventing 250 million tons of carbon. The initiative is Africa-driven, which for those on the continent, is vital, and may hold the key to success. “The Great Green Wall…is about ownership, and that has been the failure of development aid because people were never identified with it,” said Elvis Paul Tangam, African Union Commissioner for the Sahara and Sahel Great Green Wall Initiative.“But this time they identify. This is the very thing of us!”

8 . In early 2021, I hit a rut in my studies. As a doctoral candidate at the University of Chicago in Illinois, I worked to design safer, more effective materials for vaccine delivery. 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. Something had to change.

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9 . Actually, until her pregnancy Quarles had been living at breakneck speed. It went so until last year. “I was exhausted,” she says. “I’d been working three jobs, doing my charity and going nonstop. I was afraid my mental health was getting worse.”

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10 . A listener whose head is in some “sweet spot” hears high-quality sound. But as one gels farther from the sweet spot, the sound diminishes. That’s because sound waves from different loudspeakers interact to cancel out each other’s sound.