Among various types of papers, Xuan paper, also known as rice paper,     1     (hold) an importance place. Originating more than 1500 years ago, the traditional craft of making Xuan paper     2     (include) on UNESCO’s the Representative List of the Intangible Cultural Heritage of Humanity in 2009.

Today, top-quality Xuan paper is still produced in Jingxian County thanks     3     the mild climate, abundant rainfall and crystal-clear streams. These     4     (condition) provide a favorable environment for the blue sandalwood (檀香) tree and rice growing,     5     (offer) the materials needed to make the best Xuan paper.

The traditional process of making Xuan paper by hand is extremely time-consuming and demanding,     6     consists of more than 100 steps including collecting, leavening (发酵), whitening, screening, and sunning. The entire process may take more than two years     7     (complete). The skills to make the paper are     8     (high) difficult and have been passed down through generations from masters to apprentices.

The thinnest Xuan paper may be as thin as a cicada’s (蝉) wing. Super-sized Xuan paper can measure 11 meters in length and 3.3 meters in width. It is noteworthy that besides the     9     (remark) craftsmanship, the specially designed tools and machines employed during     10     process, such as the fine screen used to drain (滤干) the fibers, also possess profound cultural connotations and great technological value.

The art of paper-cutting in China may date back to the second century, since paper    1    (invent)by Cai Lun in the Eastern Han Dynasty in China. As paper became more affordable, paper0cutting became one of the most important    2    (type) of Chinese folk art. Later,    3     different regions adopting their own cultural styles, this art form spread to other parts of the world.    4     (usual), the artworks are made of red paper, as red is associated with    5    (happy) in Chinese culture, but other colors are also used.

With    6    (it) long history, paper-cutting,    7    originated in China, has been very popular among the ordinary Chinese people. People put up papercuts on walls, windows and doors at wedding ceremonies or festivals     8    (strengthen) the cheerful atmosphere.

Chinese papercuts are rich in content. The auspicious（吉祥的）designs symbolize good luck and the avoidance of evil. The child, lotus and bat designs suggest a family with    9    large number of children and grandchildren. Birds, livestock, fruit, fish and worms are also familiar objects    10    (accept) by Chinese farmers. In a word, papercuts used in different occasions have different meanings.

With more than 2,000 colored sculptures and 45, 000 square meters of murals, Mogao Grottoes continue    1    (attract) people throughout the world. Recently, the Dunhuang Academy and Tencent     2    (team) up to launch a series of cartoons about the grottoes to help people better understand the cultural relics.

The cartoons adapted from the murals stories consist    3     five parts, each running less than five minutes. Visitors can watch them on    4     mini-program on the social media platform WeChat. With this    5     (create) idea, Dunhuang culture is not     6    (complete) mysterious any more. In addition to the popular cartoon series, some other cultural productions     7    (list) in the Yunyou Dunhuang program also include a VR cave exploration and an interactive game of coloring murals.

These     8    (activity) will let more common people, especially young people, get involved in the interaction and development of the traditional culture,     9    will be given sustainable vitality. Dunhuang will always offer great     10    (please) to people around the world.

The Qingming Festival is one of the 24    1    (tradition) Chinese solar terms, which falls on April 4^th or 5^th every year. As a culture, it is a time    2    Chinese people visit the graves of their ancestors,    3    (clean) the tombs and showing respect to the dead.

But this year, the day also included a national mourning, which offered people an opportunity     4    (remember) those who lot their lives the fight against the novel coronavirus. Starting at 10. m on April 4, Chinese people observed a three-minute silence to mourn the dead    5    all national flags lowered to half-mast ( 旗杆) and horns wailing. This is the first time that China    6    (hold) a national mourning due to a major public health emergency. China paused for three minutes，making the world see the unity and    7    ( strong) behind the 1. 4 billion Chinese people.

More than 3,300 lives were lost due to COVID-19 on the Chinese mainland. On April 3,14 people who died on    8    frontline of fighting the virus were identified a the first martyrs (烈士). The national mourning makes people    9    ( deep) realize that the god results of fighting against COVID-19 don't come easily. Everyone should treasure life , and understand the significance of those hard    10    ( struggle).