Few discoveries are as amazing as discovering the Terracotta Warriors in Xi’an. But behind the lifelike masterpieces, there is a group of experts working hard     1     (keep) the more than 2 00-earold historical relies in good condition.

Lan Desheng, 52, is among the     2     (dozen) of experts on the restoration (复原) team at the Emperor Qinshihuang’s Mausoleum Site Museum in Xi’an. “    3     process of restoring Terracotta Warriors is very similar     4     doctors treating patients,” said Lan, who has spent 25 years     5     (repair) more than 150 figures of the Terracotta Army.

Lan said that most of the Terracotta Warriors showed signs of decay (腐化) after being buried for thousands of years, which was made     6     (bad) by oxidization (氧化) after they were discovered. The broken pieces, whose weight could sometimes reach hundreds of kilograms,     7     (make) the restoration both difficult and challenging. For Lan, the most challenging project was the restoration of a general,       8     took his team more than two years. Even so, Lan felt     9     (satisfy) with his job. “I hope that by restoring them, we are able to uncover historical facts     10     awaken the culture of Qin Dynasty.”

Acupuncture(针灸), an ancient Chinese medical practice, has been the treatment for lots of patients for thousands of years. Before modern medicine     1     (final) came to life, ancient Chinese used stone tools     2     (reduce) pain. Over time, this method has turned     3     a medical system and formed the base of acupuncture.

As a treatment     4     aims to better the body’s self-recovering functions, acupuncture stresses treating a sick person as a whole, balancing bodily functions     5     improving overall physical well-being.

Practices can be different in forms, including needle insertion (扎针), cupping and rubbing. Needle insertion, the most common method, is carried out by     6     (put) hair-thin needles into meridians (经络), or specific points on the body.

Looking beyond China, acupuncture has become a global treatment. In the past 50 years, acupuncture     7     (see) many developments in scientific research and modern medicine. It is now a popular treatment for     8    variety of diseases. According to a 2019 WHO report, acupuncture is used in 113 of the 120 member countries, showing     9     (it) widespread application.

As an ancient Chinese medical practice, acupuncture has a rich history and much cultural    10     (important).

Delicate, shining, and soft to the touch. The fabric called silk     1     (find) its way into the heart of Chinese people in the past thousands of years.     2     origin of it is not clear, but the ancient Chinese people     3     (credit) their own wisdom to Leizu, wife of the Yellow Emperor, as the inventor of sericulture (养蚕业).

The style and texture (质地) of silk are     4     (variety). Hangluo satin from Hangzhou,Zhejiang province, is famous for its airy and thin texture,     5     Yunjin brocade from Nanjing, Jiangsu province, a luxurious fabric often     6     (use) for royal clothes, represents China’s silk weaving (纺织) technique at its best time. Yunjin brocade is best made     7    hand, in a complex procedure that comprises more than a hundred steps. Even the most skilled artisans can only weave a few centimeters a day.

In the Western Han Dynasty (206 BC—AD 24), with Zhang Qian     8     (open) up the routes to the western regions, silk graced countries in Central Asia, and later other parts of Eurasia and beyond.     9     (appropriate), its name marked China’s major international trade     10     (route), the ancient Silk Road and Maritime Silk Road.

As one of the wonders of ancient China, silk is not merely a type of fabric but a cultural symbol and a representative of elegance.

Tea is native to China. There are fifteen major tea-producing provinces in the Chinese Mainland, and Taiwan also produces tea. The International Organization for Standardization (ISO) recently released a document from Chinese experts     1     (classify) tea into six types.

The basic tea types are black and green tea, white tea, oolong tea, dark tea and yellow tea, according to the new standard     2     (establish) by Anhui Agricultural University in Hefei, Anhui province. The standardization work     3     (lead) by Wan Xiaochun, professor and director of the State key laboratory of tea plant biology and utilization at the university.

Chen Chuan, a pioneer in tea science, put forward     4     has been regarded as the classification standard as early as in 1979. It has been     5     (wide) adopted since then but had not become an international standard until March, when the document was released, Wan said during a news briefing earlier this week.

The preparation of tea is based     6     processing fresh tea     7     (leaf) and aeration. The six tea types can be further processed or reprocessed     8     (create) products such as scented tea, compressed tea and instant tea, the ISO document said. The classification will allow consumers, world tea traders and governments to have     9     clear understanding of the different type of tea through     10     (they) processing techniques.

China, the hometown of tea, owns a profound tea culture. Since ancient times, Chinese people have been planting, picking, making and drinking tea. Tea producers have developed six     1     (category) of tea: green tea, yellow tea, dark tea, white tea, oolong tea and black tea.

Tea is     2     must in Chinese people’s daily life. Boiled tea     3     (serve) at homes, teahouses, restaurants or other places and used     4     an important medium for communication. In China, traditional tea processing techniques are so     5     (close) associated with the geographical location and natural environment     6     they are distributed (分布) in certain areas.     7     tea-related customs originated in China, they influenced the rest of the world through the ancient Silk Road and trade routes. In recent years, Chinese tea     8     (receive) top-level global recognition as a shared cultural treasure of mankind. There are over 40 colleges     9     majors in tea science or tea culture are set up,     10     (result) in over 3000 graduates specializing in tea production and art every year.