Fifteen wild Asian elephants that left their home in Xishuangbanna last year are continuing to march north, according to China Daily on June 4th, 2021, which attracts much attention ______ the public. The endangered Asian elephant enjoys Class-A ______ in China, the same level as the giant panda does. The number of Asian elephants in China has ______ from 170 in the 1970s to about 300 nowadays. Why are they on the ______? Maybe there are two main reasons. First, the growing population of elephants need more space and food to live. Second, some areas where they live often face huge pressure to develop the local economy（经济）, making them move to other areas. ______ the government is taking action to lead them gradually back to their home.

Yuan Longping a Chinese scientist and educator, died at the age of 91 in Hunan last month. He was called the “Father of Hybrid Rice（杂交水稻）”and he helped ______ people around the world.

Yuan Longping was the first person to develop a kind of hybrid rice which helped fight ______ in China. Food was a big problem in China in the past. This was because China had 22 percent of the world’s population, but only 7 percent of its ______. In the 1960s, Chinese people had a difficult time. Millions of people died because they had no food. As an agronomy teacher, Yuan was very ______ to see this. “How can I help them have enough food?” he thought. He decided to work on a kind of hybrid rice. It has a high output（产量）.

At that time, other scientists didn’t think hybrid rice was worth ______. But Yuan and his team worked on it every day. They took very good care of their rice seeds.

At last, in 1973, they grew a new kind of hybrid rice. This rice is ______. Farmers can grow it in many different kinds of farmland and in bad ______. It can also fight disease. Its output was much ______ than common kinds of rice. With the new kind, about 70,000,000 people could have food every year!

Yuan solved the food problem in China. But he was ______ working on rice when he was very old. Before he retired, he hoped to grow rice in the sea!

Yuan once said he had two dreams—to “enjoy the ______ under the rice crops（庄稼）taller than men” and that hybrid rice could be grown all over the world to help solve the global food problem.

It was Saturday again. Lily and Lucy disliked Saturdays. That was another thing the twins had in common. They shared the same clothes and tied their hair in the same manner. In fact, it was hard for their classmates and teachers to tell them apart sometimes.

Unlike their classmates, they had to get up early at seven every Saturday to prepare for their lessons. Lily had to attend the art lesson and Lucy had to attend her ballet lesson. “How I wish I could do something different today,” said the twins with one voice. All at once, an idea came to Lily and Lucy at the same time. “Do you have the same idea as me?” they asked each other and laughed. It seemed like a wonderful plan to them. After giving each other a description of their own friends, Lily put on Lucy’s ballet dress while Lucy put Lily’s brushes and paints into her bag. Then they left for their classes.

When the art lesson started, Lucy couldn’t understand the art teacher. Unlike Lily, Lucy was poor at drawing. When the art lesson finally ended, Lucy didn’t dare to hand in her work.

Meanwhile, Lily was struggling in the ballet class as well. As she had no idea about the dance steps, she had to follow her classmates blindly. As a result, she kept knocking into them . Their ballet teacher became impatient with her, “Lucy, you should remember the basic steps. You can’t depend on copying what others are doing.”

When Lily and Lucy arrived home, they were tired out. They decided that they would never try to be someone else that they were not.

One cannot discuss Chinese music without mentioning the guqin, one of the four arts—along with go, calligraphy（书法）and painting. It first appeared over 3,000 years ago and stands for China’s solo musical instrument tradition.

At first, the guqin had only five strings（弦）, meaning the five elements（元素）of metal, wood, water, fire and earth. Later, in Zhou Dynasty, King Wen of Zhou added a sixth string for his son. King Wu of Zhou, added a seventh string to encourage his army to fight with the Shang.

Ambience was important in playing the guqin. Usually, it was practiced in a quiet setting and never for public performance. Ancient artists enjoyed performing by a stream in the mountains. The sound of the guqin mixed with the echoes（回音）from the mountains, until the musician felt he was at one with nature. Playing it in snow was also an enjoyable activity for ancient artists, who believed the instrument was the purest of its kind in the world. Also, a night with moonlight was considered wonderful for playing the guqin. Wang Wei（701—761）, a highly talented man of the Tang Dynasty, liked playing it in a bamboo forest on nights with moonlight most.

Guqin pieces are usually three to eight minutes long, with the longest being Guangling Verse, which is 22 minutes long. Other famous pieces include Plum Blossoms in Three Movements, Wild Geese Landing on the Sandbank and Eighteen Songs of a Nomad Flute.

Nowadays, there are fewer than one thousand well-trained guqin players and perhaps no more than fifty living masters. The original number of several thousand pieces has greatly reduced to only one hundred works by today. The guqin and its music was added to the list of the Intangible Cultural Heritage of Humanity（人类非物质文化遗产）in 2003.

Many of us have had the same “pleasant surprise”. After you mark a song as a favorite on a music app（程序）, it suggests songs of the same kind to listen to.
31．

Big data（数据）is a lot of sets of information that are put together so they can be used by a computer program. It can have different kinds of information from many sources（来源）, such as information that comes from schools, social media sites, companies, and governments.
32． Another set can have what they like, where they go to school, and how much time they spend on the computer.

33． The government uses it to understand how many people travel on buses or trains. The information is then used to make bus or train systems better. Companies use big data, too. It helps them understand who buys their products. For example, one company uses weather data to see when people eat the most ice-cream.

Big data can be used for good reasons. Some hospitals use big data to predict if a baby who is born too early will get sick. The hospital can then take extra steps to take care of that baby so he or she does not get sick.
34． It can be used to predict which kinds of people are likely to break the law or hurt others, even if they have not done anything wrong.

35． It is because the computer programs used to look at big data and understand it are written by people. People think a certain way. Because they think a certain way, they build a model of those ideas. These ideas are then used to look at the data. Sometimes, these ideas are helpful for people or businesses. Other times, bad ideas can cause problems for certain groups of people.

Coming home after working for the whole night I lost my wallet. It was
46． (probable) very close to my house but I couldn’t find it and had to cancel my credit cards. I had kept
47． wallet for ten years and it was a Christmas present. It was a bright, red leather wallet. Not every adult is sad about losing something,
48． I was very upset about losing my wallet.

I spoke to my
49． (friend) about my lost wallet. Most of them said I might get the wallet back finally but the money in it would
50． (appear). I had listed all the things in my wallet
51． (get) some new ones.

I came home late the next night and my red wallet was in front of my house. I checked it carefully.

52． everything in my wallet, there was a note. I was surprised when I read the note which said, “I
53． (find) this last night. It was too dark to go through it then, so I came back tonight. I got your address from your license. Sorry. Mike.”

Not only had this man returned my wallet but he was sorry for not bringing it back
54． (early). There was no information about Mike so I couldn’t get in touch with him to say “Thank you”. But I did hope he could know how
55． (thank) I was!

某英语杂志社以“我劳动，我快乐”为主题向中学生开展征文活动。请你根据以下提示，用英语写一篇短文投稿。