1 . Bingley, a Sayre School student from America, decided that he would devote himself to studying the environment to have a broad influence on the community.

To reduce the carbon footprint, Bingley planned to ________ enough solar energy to power the school’s science labs. Now his plan is set to happen. To fix 30 solar panels is ________ for late November.

As he began his research ________ solar energy, he discovered a useful phone app. By entering an address, he could find out how much sunlight the ________ receives each day. Based on the data, he found that his school building was the best position. At the suggestion of his science teacher, Debbie Wheeler, he first performed an energy ________ of the science lab to see how much energy a typical lab uses per day. Then, he started his research, ________ a local company of solar panels to do the job. He lacked money for starting the project, so he ________ Sayre’s head to support him after explaining the ________ of solar power for the school and community.

Since Sayre provided the ________ seed money to provide infrastructure (基础设施) and the purchase of one panel, the project has ________ to include a total of 30 panels. They are expected to produce enough energy to ________ all the science labs on campus.

“It feels like a dream to think that an idea I had from my AP Environmental class would have this kind of ________,” said Bingley, expressing gratitude for Wheeler’s help. Wheeler said the success was due to Bingley’s efforts and ________ to follow through on the project from start to finish. “I’ve had other students talk about ________ initiatives (倡议) on campus, but Bingley had the persistence and courage to make it happen,” she said.

Bingley said that he would ________ like to study environmental engineering at university.

2 . In 1990, Hal Donaldson was 23 years old, fresh out of college and found himself in Calcutta, India, where he was asked to interview Mother Teresa.

Donaldson says about the great woman famed for feeding the hungry, “She wasn’t wearing shoes and her ankles were swollen. She sat down with me and was very polite.” After the interview, Mother Teresa asked him, “What are you doing to help the poor?” Donaldson admitted that he was young and wasn’t focused on helping others. With a smile on her face, Mother Teresa said, “Everyone can do something.”

Those words deeply struck Donaldson and forced him to face hard truths about himself.

Hal Donaldson grew up in the San Francisco Bay area. When he was 12 years old, his parents were hit by a drunk driver; his father died, and his mother was seriously injured. To make ends meet, they went on welfare. Donaldson says, “I had holes in my shoes and clothes. When you’re teased at school for that, you just want to escape.”

He managed to do just that. Donaldson got into college and turned his focus to making money for himself. He says, “I was just trying to find my way out of insignificance.” However, it’s easy to overlook others along the way. I was the guy that would see a homeless person and cross the street, so I didn’t have to confront (面对) him. My focus was on climbing to the top instead of helping those trying to climb with me.

Donaldson returned home from India with a different thought. He traveled to eight cities in America and stayed on the streets and listened to stories of the homeless. “My heart broke,” he says. “I knew I could no longer just live for myself.”

Inspired by Mother Teresa’s words and the stories he’d heard across America, Donaldson loaded a pick up truck with $300 worth of groceries and handed them out to anyone who needed help. In 1994, Donaldson created the nonprofit organization, Convoy for Hope, which works with communities across America and around the world. Their work focuses on feeding children, women’s empowerment, helping farmers and disaster services.

3 . London and Paris are two of Europe’s biggest tourist destinations, just a few hours away from each other by road or rail and an hour’s distance by air. What about the train-ferry combination that many recall fondly from their childhoods? Well, though it’s budget-saving, this option is too time-consuming today, so better leave it to your memories. Since the UK is not part the Schengen Area, passengers need to go through passport control prior to boarding.

Air trips

Though flying between London and Paris is by no means recommended, there are still a few people traveling between the two dynamic cities by air. A very low one-way fare is possible through advanced booking, but of course it’s rare, and that doesn’t include the taxi and rail fares traveling to and from the airports.

* One-way fares from Paris can be as low as 49;

* From London, Air France flies with fares as low as £39(46), and British Airways as low as £48 (56).

Rail trips

The only direct train between London and Paris is the Eurostar, which travels 15 -17 times per weekday. Eurostar’s 2015 edition trains can make the journey in two hours at speeds of up to 320 km/h. Besides, they offer good seating space.

* Fares begin at a reasonable £58(68), round trip;

* The earlier you book, the more you save.

Bus trips

The bus is by far the least expensive and longest way to travel between Paris and London. Eurolines and OUIBUS are two major bus lines traveling between the two capitals. The journey takes between seven and nine hours. Both lines advertise free Wi-Fi.

* One-way Eurolines fares begin at 15;

* One-way OUIBUS fares begin at 15 too, but early bird sales can even lower the fare.

4 . In January, 2021, the ice-making work on the ”Ice Ribbon“, a landmark venue for the Beijing Winter Olympics, was completed.

In the Winter Olympics, where races can be won or lost by a small time gap, tiny imperfections in the ice can make all the differences. ”It’s not just a hunk of ice like you’d normally think of, like ice cubes sitting in your freezer,“ told Kenneth Golden, a U. S. mathematician who studies the structures of ice. ”It’s a much more fascinating and complex substance than people would normally think.“

The first step for building any ice rink is to purify the water to remove dissolved solids like salts and minerals. Such impurities don’t fit in the regular hexagonal(六边形的)structure of ice that forms as water freezes. The purer the water, the more consistent the ice surface.

In addition to the need for excellence in the raw materials of ice-making, technology is also very important, As one of the most advanced technologies for winter sports venues, a carbon dioxide cooling technology has been applied on a large scale for the Beijing Winter Olympic Games. CO₂ , is not new when it comes to ice-making. However, it has been gradually replaced by the man-made refrigerant, like Freon.

With increasing attention toward climate change, the old refrigerant has come into use again. As an element of the atmosphere, CO₂, doesn’t damage the ozone layer. Although CO₂ is a greenhouse gas, its greenhouse effect is much lower than that of other synthetic refrigerants. The Winter Olympics venues adopted CO₂ instead of Freon as a refrigerant in ice-making, which will reduce carbon dioxide emissions greatly.

”We believe these technological innovations will bring Beijing 2022 to spectators all over the world in a more impressive way.“ told Gao Bo from the Media Operations Department of the Beijing Organizing Committee for the 2022 Olympic and Paralympic Winter Games.

5 . With intelligent systems and new-age transit networks, life in the big cities will likely be happier and more efficient.

After all, more than 60 percent of the world’s population is expected to live in cities by 2050, according to a UN report. The answer to making these cities more livable for so many people lies in creating “smart” cities. These cities will use 5G networks and the “internet of things” (IoT) to make everyday life safer and more convenient. Some cities are already using smart technology to improve the lives of residents.

But what exactly does a smart city do? In the United States cities of Boston and Baltimore, smart trash cans can sense how full they are and inform cleaning workers when they need to be emptied. In Amsterdam, the Netherlands, traffic flow and energy usage are monitored and adjusted according to real-time data gathered from sensors (传感器) around the city. And in Copenhagen, Denmark, a smart bike system allows riders to check on air quality and traffic condition as they ride.

Smart cities will be interactive, allowing their residents to feel like they’re truly shaping their environment, instead of merely existing in it. “One of the most important reasons to have a smart city is that we can actually communicate with our environment in a way that we never have in the past,” said Mrinalini Ingram, head of a telecom company.

“Smart cities will also allow us to save resources.” said Mrinalini Ingram.“By using sensors and 5G networks to monitor the use of water, gas and electricity, city managers can figure out how to distribute and save these resources more efficiently. Emissions of carbon dioxide and other air pollutants can be more closely monitored in smart cities as well.”

Of course, it will take time and money to turn our current cities into the smart cities of the future. But as we’ve already seen, more cities around the world are already adopting smart technology in small ways. China, for instance, is making investments in big cities like Shanghai and Guangzhou to make them “smarter”. It won’t be long until even more cities start to develop their own smart infrastructure (基础设施).

I will never forget my first assignment as a foreign reporter in Brazil to cover the Rio Carnival. It is one of Brazil’s largest cultural     1     (event), drawing up to two million tourists to Rio every year.

I was out on the streets on the first day of the Carnival,     2     (arm) with my camera and notebook, ready to do some work. Being there     3     (be) a constant assault(冲击)on my senses. Hundreds of people were singing and dancing,     4     Brazilian samba music filling the air. I wandered. fort hours, from one block party to another. At one point, someone offered     5     (trade) me an alcoholic beverage(饮料)and-a golden feathered headdress for my camera. I`m still not sure why, but I agreed to the deal. It was     6     (probable) a question of getting swept up in the Carnival spirit. Unfortunately, my boss did not accept this     7     (explain), so I had to pay for     8     new camera in the end.

It was worth it, though. I still have that golden headdress, as     9     reminds me of those unforgettable days. The Rio Carnival is without doubt something     10     everyone should add to his or her bucket list.

An animated giant panda named “Bing Dwen Dwen” and a red lantern baby called “Shuey Rhon Rhon” have been uncovered as the two mascots for the 2022 Beijing Winter Olympic and Paralympic Games.

The giant panda, which will be the Olympic mascot,     1     (regard) as a symbol of China. Its name “Bing Dwen Dwen”,     2     helmet also stands for the snow and ice of winter sports, is a combination of several meanings in the Chinese language, with “Bing” the Chinese word for “ice”, and “Dwen Dwen”     3     (mean) health and liveliness. The Paralympic mascot choice of the lantern is seen as “symbolic of harvest,     4     (warm) and light”. In the name “Shuey Rhon Rhon”, “Shuey” is     5     Chinese word for “snow” and “Rhon Rhon” has the double meaning of tolerance and integration (融合).

The vivid red image is a perfect fit     6     the gala event, especially as the Games will take place at the same time with China’s Lunar New Year celebration in February and March 2022. The mascot     7     (combine) the best elements and     8     (characteristic) of China and the Chinese people. It will be a wonderful spokesperson for China and the Olympic Games Beijing 2022. It’s a mascot that not     9     (simple) represents a Chinese lantern, but represents the Chinese New Year. It’s a message of the future to the future generation of Chinese people who will be inspired by the     10     (amaze) faith of the Paralympic athletes.