On my first Saturday in South Korea, I decided to climb Mount Bukhansan. I enjoy hiking, and everyone told me about Bukhansan National Park. They mentioned its beautiful forests, clean air,     1    historic temples. They didn't tell me about the huge     2     (crowd) that go there every weekend!

After following the crowd for an hour, I asked a group of hikers     3    far the summit was. The leader of the group Mr Choi saw I was alone and introduced me to his friends. We hiked together for an hour until the group decided     4     (stop) for lunch. I tried to get a sandwich from my backpack, but one of Mr Choi's friends said, “No, no, no. You will eat with us.” After they shared their meal     5    me, the group decided they     6     (walk) enough. They began walking back down the mountain.

I continued climbing, and finally arrived at the summit. A man     7     (stand) on the mountaintop introduced     8     (he) as Mr Kim. Together we shared a bottle of makgeolli, a     9     (tradition) Korean drink, and enjoyed the view. “In Korea,” he said, “we say that the people you meet on the mountain are     10    best people.” I thought about my day on Bukhansan, and I knew he was right.

Are you excited about the new app that you just downloaded to your smart phone? It might be fun now, but be     1     (care): Too much screen time may be harmful     2     your eyes.

The problem, says Sarah Hinkley,     3     is a professor at Ferris State University and the Michigan College of Optometry, comes from the blue light that screens give out. Staring at a smart phone might cause eye strain(劳损)，headaches, and dry eyes. Smartphone and computer screens present greater danger than watching television because the screens     4     (hold) closer to the eyes.

Many doctors and     5     (researcher) agree that you should limit smartphone use to no more than three hours per day. Limiting screen time might seem like a sacrifice (牺牲) now, but it' s worth it. One of my friends found out the hard way. “My eyes were hurting really bad, so I    6     (go) to the doctor,” he sạid. ''I was told that I had an eye strain and was not allowed     7     (look) at my phone for days.

If you eat healthy foods and exercise regularly, there is less of a chance that a medical problem will occur (发生) with your eyes. Taking     8     break every 15 minutes when you’ re working at a computer is also a smart     9     (decide).

Keep in mind: Your eyes are     10     (important) than an incoming text.

Carolyn Crump’s work as a UPS delivery driver lasts more than twenty-three years. She is always     1     (occupy) with and enthusiastic about her work.    2     is known to all, she is not only a qualified delivery driver but also quite a considerate one. And because of her long-standing career, she calls many of her customers friends and family. And the feeling is mutual (相互的).

“Every single person can give you a story, where she has gone above and beyond (超越标准) , like carrying groceries when someone’s arm was broken. She’s got a heart of gold,” said Jason Lehtman.

Jason found that Carolyn had a leaking roof. It would cost large     3     (amount) of money to repair it, which meant the expenses were large. But he knew he needed to do something to help the beloved UPS delivery driver!

Because Jason was     4     (entire) moved with compassion and was so     5     (appreciation) of her good deeds, he created a GoFundlMe page to raise money for repairs to the thirty-year old roof.

They raised several thousand dollars.

The community came together to raise the money for the repairs and to surprise her, too.

One customer called Carolyn Crump in about a package for her to pick up.

Next, out of expectation, they blindfolded (蒙住眼睛) Carolyn and brought her to a park, where the UPS delivery driver was presented with the check. After     6     (receive) her check, she got a round of applause before hopping back into her truck to deliver the last twenty packages of the day. By the end of last September her house     7     (repair) well already.

“My real     8     (intend) is to serve people heart     9     soul. We should expect the unexpected. I approve     10     the idea that it is easy to have a positive attitude when you know how blessed you are to just have a job, especially during a pandemic when many people are infected with the virus.”

When it comes to Chinese culture, solar terms must    1    (mention).

Over 2,000 years ago, the ancient Chinese divided the solar year into 24    2    (equally)passages of time by    3    (observe) the path of the sun and the law of the climate change.     4    unique Chinese time knowledge system, the 24 solar terms, was thus created.

Such a system was able not only    5    (act) as a guide to the traditional agricultural    6    (produce) of the ancient Chinese. It    7    (have) got a great effect    8    the way of thinking and code of conduct of the Chinese people as well.

For example, during Minor Cold, people always start stocking New Year goods, among    9    Spring Festival couplets, New Year pictures and paper-cuts are three    10    (recommend) traditional decorations.

Dmitry Doronin, a foreign student from Russia, has fun     1     (share) his experiences in a village in Zhejiang Province with his 1. 4 million fans online.

The 32-year-old came to the countryside in Lishui City last August. Since then, he    2     (create) hundreds of videos to record the peaceful rural(乡村的) life there.

Because of COVID-19, the sales of local agricultural products dropped a lot. Dmitry volunteered     3     (promote) the products through livestreaming (直播). Last month， about10.000 kg of oranges, 4.000 kg of dried sweet potatoes and 300 kg of honey     4     (sell).“Thanks to his livestreams, it seems that more tourists have come to visit our village." said72-year-old Pan Xiannu,    5     was happy to see the great changes in her hometown.

Dmitry also enjoys working with farmers in the fields, doing     6     (activity) such as planting vegetables, feeding animals and making tofu. Living in a rural area     7     (provide) him with special and enjoyable experiences. Dmitry says. "It's quite different from     8     life in big cities. In the countryside, you can experience the traditional way of life and understand this country much     9     (well)."

According to him, some Russians don't know much about today's China. "I would like to spread Chinese rural culture     10     I want to bring the two countries closer through the Inter-net."Dmitry adds.

Feng Boyao and Meng Shuqi, students at No. 37 Middle School in Taiyuan, Shanxi province, spent nearly a year developing a new kind of Braille (布莱叶盲文) reading device and     1     (win) the first prize at a provincial-level youth science and technology competition.

A large number of Braille contact dots have been set up on the device,     2     is 50 centimeters long and 10 cm high. It can make Braille content move across a computer screen via     3     application.

“Education for blind people     4     (be) mainly based on Braille books, but very few Braille books can be found in the marketplace, or they are outdated and cannot meet the needs     5     the blind. Only a small number of people have access to Braille reading devices,     6     they may sell for as much as 10,000 yuan ($1,549) or more,” Feng said.

The cost of     7     (they) device is much lower, so it will be     8     (advantage) for market promotion. In addition, because of its magnetic structure, the content     9     (display) on the device is said to be more accurate than others. Feng and Meng hope the device can help reduce the number of blind people who are in     10     (poor) for lack of education.

Kunming, the capital of Yunnan Province, is the economic and     1     (culture) center of southwest China. It is linked by rail with all of China's major cities. Its rail link with Hanoi(河内)     2     (establish) in 1901.

Kunming's mild climate makes it a good place     3     (visit) any time of the year.    4     it can be hot and humid in summer, it has cool, dry winters. The climate here is great for flowers, with more than 400 varieties     5     (plant) here. The camellia (山茶花)is the city's official flower. The city is also known for     6     (it) green parks, such as Cuihu (Green Lake) Park with its waterways and winding paths. Younger     7     (travel) may enjoy a visit to Daguan Park because of its food stalls.

In addition to its own charms, Kunming serves as a base from    8     people can explore the culture of ethnic groups in the area. The most well-known are the Dai, Bai and Naxi. People can also visit the Yunnan Stone Forest, which has been known     9     the "first wonder of the world" since the Ming Dynasty. Located 120 km (75 miles) from Kunming, the stone forest     10     (feature) awesome rock formations.

In hundreds of cities around the world, people can use a car     1     actually owning one. It’s known as car sharing.

Car sharing works like this: people pay a fee     2     (join) a car share organization. These organizations have cars available in different parts of a city 24 hours a day. Members make a     3     (reserve) for a car, and then go to one of several parking lots in a city to pick up the car. They pay an hourly or daily rate for driving it. When they are     4     (finish), they return the car to a parking area for someone else to use.

Car sharing works well for several reasons. Some people only need to drive from time to time. Usually, people only need a car for special reasons like moving things or     5     (take) long trips. Many people don’t want the costs or responsibilities of owning     6     car. The car-share organization pays for gas insurance, cleaning and repair costs.

Members also don’t have to wait in line or fill out     7     (form) to get a car. They know a variety of cars will be available when they need one.

Car sharing also     8     (benefit) the environment. People drive only     9     they need to and fewer cars on the road means     10     (little) traffic and air pollution. As more and more cities become interested in reducing traffic, car sharing programs are becoming an effective choice.