Some students are talking about their vacations last month. Everyone had    1    great time.

Mary went to Guizhou    2    her family. They saw Huangguoshu Waterfall. It was wonderful and they took quite a few     3    (photo). Ben didn’t do    4     (something) special. Most of the time he just stayed at home to read and relax.

As for Alice’s vacation, she decided    5    (go) to Sanya with her sister and they did something fun there. It was her    6    (one) time there so everything was really interesting. She bought some gifts for her parents and    7    (her).

Tim went to his uncle’s farm in the countryside with his family. They    8    (feed) some hens and after dinner they walked around the farm. It was    9    (enjoy), and he didn’t feel bad    10    there were no computer games.

It’s reported that about 10% of the global population do not have clean water. The water crisis has serious effects on people’s health, education, and     1     (finance) situation and on the stability of their community.

Water     2     (use) to keep clean and keeping clean is the key to good health. For example, a simple cut to a child’s leg can be treated by washing it, to avoid infections.     3     clean water, that simple cut can become a serious medical condition.

Children who spend a lot of time collecting water are less likely     4     (attend) full time education. Chances are that those students aren’t able to study to the level     5     (require) to go to college or university. The problem is     6     (particular) bad for girls, who tend to be the family’s members     7     (walk) a long way to collect water.

Low standards of education make     8     much more difficult for people to get jobs that are both well-paid and safe. If there is no money from     9     (employ), it’s difficult for communities to develop their water supply and sanitation (卫生).

Water is often a source of argument and even wars. The stability of a whole region or even a country can be in danger because of a shortage of clean water. To decrease the influence of the water crisis, the United Nations has a Sustainable Development Goal     10     specifically refers to water and sanitation.

“There is no place like it on the planet. The large amount of     1     (creative) we find in Dunhuang spans (跨越) a thousand-year period,” said Neil Schmid, resident scholar at the Dunhuang Academy.

Due to its great significance, China has recently launched     2     cultural heritage platform supported by blockchain technology to share digital materials of the Dunhuang Grottoes (石窟).

The platform was     3     (joint) developed by the Dunhuang Academy and Chinese tech giant Tencent. On this platform, people around the world can     4     (permit) to use more than 6,500 pieces of high-definition materials in real-time.

Previously, visitors     5     (need) to wait for a week to get such permission. But the establishment of the digital platform helps online visitors get out of otherwise complex procedures and have     6     (easy) access to Dunhuang.

In addition, online visitors are welcome to use these digital materials     7     (design) their own cultural and creative products. In this way, designers can not only receive profit     8     their work, but also spread awareness of Dunhuang in creative ways.

“This is a pioneering project for     9     (offer) digital resources services in the cultural relic field,     10     could promote sustainable development of resource use,” said Luo Jing, an official with the National Cultural Heritage Administration.

Acrobatics, whose Chinese name is zaji, is popular with people. Modern acrobatics mainly depends on performer’s soft body    1    (complete) a series of highly difficult movements. It can     2    (find) in many of performing arts and many sports. Acrobatics is often associated with the activities     3     make extensive use of gymnastic skills, such as circus and gymnastics, but many other athletic activities, such as wushu, ballet and diving may also employ     4    (element) of acrobatics. The items in Chinese acrobatics include lion dance, oral stunts, pagoda of bowls, juggling, wire walking, etc.

Chinese zaji can date back to Neolithic times. As one of the traditional art forms, acrobatics has been popular among the Chinese people for more than 2, 000 years. As early as the Warring States, there appeared early stages of acrobatics. By    5     time of Han Dynasty, the acrobatics art further developed both in content and form and there appeared superb performances     6     music accompaniment on the stage. In the Tang Dynasty, the most flourishing period in ancient China, the number of acrobats increased     7    (significant) and their performing skills gained much improvement.

There is much    8    (stable) involved in dangerous movements and quietness in actions. The modern acrobatics aims at creating graceful stage images,     9    (harmony) musical accompaniment, and good supporting effects, props and lighting. In the past 50 years, many Chinese acrobatic troupes (表演团)     10    (visit) more than one hundred countries and regions around the world, winning dozens of prizes in the international acrobatic festivals and championships.

My heart was beating rapidly in my chest as I found a     1     (comfort) place to rest my tired body. I could hear     2     (I) breathing heavily as I looked up at the blue sky. When my breathing returned to normal, I reflected on what had just been achieved. Six weeks ago, my friends told me that     3     city half-marathon for amateurs was being organized     4     (help) raise money for charity, and encouraged me to take part. Despite my lack of running experience, I agreed. In order not to hurt my knees or     5     (ankle), I started my training very gently by running just one kilometer on the first day. Over the next six weeks, I     6     (gradual) increased the distance I ran in each training session. Soon I was running distances     7     I had never thought possible. The day of the half-marathon finally arrived and I felt well prepared. I ran my race,     8     (relax) and confident, even though my limits were being tested like never before. I was happy to learn that a lot of money     9     (raise) for charity. I felt really proud     10     myself, and my friends and I agreed to run in the next city marathon!

Dian Fossey was regarded     1     one of the heroes of the 20^th century. She was     2     outgoing and kind person. However, her interest in animals, and the writings of an American scientist     3     (call) George Schaller, inspired her     4     (take) the first step towards her future work. In 1966, she went to Africa to study rare mountain gorillas.     5     the gorillas had interested her so much, Dian decided to study for PHD. After she finished her degree, she wrote a book about the gorillas     6     she had lived with. She later returned to Africa.     7     (luck), she was murdered in 1985.

Dian Fossey is still alive in     8     (we) hearts to this day. Thanks to her research, we now know more about mountain gorillas. They     9    (protect) by governments and various     10    (organize). Without her work, there would be very few mountain gorillas left today.