1     (know) as silk embroidery (刺绣), Chinese embroidery is an art     2     (date) all the way back to the New Stone Age and is quite widespread across China during the reign of the Han Dynasty (202 BC-220 AD). The Song Dynasty (960 AD-1279 AD) saw a peak of development of embroidery in both quantity and quality. It     3     (gradual) developed into     4     art form by combining calligraphy and painting.

Embroidery is a brilliant pearl in Chinese art. From the magnificent dragon robes worn by monarchs     5     the popular embroidery seen in today’s fashions, it adds so much     6     (pleased) to our life and culture.     7     is undeniable is that the Chinese today continue to produce matchless embroidered artworks, some of     8     are expensive pieces of art with high quality.

Chinese embroidery involves a perfect blend of fine arts, aesthetics achievements and     9     (practice) uses. Thus it     10     (consider) as a symbol of China and a nice choice for Chinese souvenirs.

It might be strange to wear clothes made out of plastic bottles. But in fact, some clothing     1    (company) are already making such clothes. Fashion brand JUMA recently showed its newest collection at an     2     (exhibit) in Shanghai. Eighteen clothing items from the collection,     3     (compose) of jumpsuits, jackets, shirts and dresses, were made from recycled plastic bottles. Many other fashion companies are finding similar ways to save our planet these days. The process is rather simple. First, the plastic bottles are washed and cut into small pieces. Then they     4     (melt) and shaped into small balls. Then the balls are made into thread. People can use     5     thread to make different kinds of clothes. Some people might have doubts about wearing something     6     is made out of plastic bottles. But according to Causeartist, a website     7     (focus)on innovation, clothes made from plastics could be even     8     (good) than nylon and polyester. Plastic thread can be made into different textures, such as cotton, silk or even wool. The price for the clothes in the new collection ranges from 500     9     3,000 yuan. However, Juma is optimistic that prices will fall when more companies follow this     10     (sustain) path taken by her business.

Chinese astronauts in Tiangong space station opened a science lecture on December 9th, 2021 as they traveled around     1     Earth.

There     2     （be）a lecture and some interesting activities on that exciting day. First, Zhai Zhigang, Wang Yaping and Ye Guangfu, all members of the Shenzhou XIII mission crew, greeted students, teachers and other participants as the lecture began at 3:40 pm. They then showed viewers the place     3     they live and work. The astronauts carried out experiments     4     （show）interesting physical phenomena（现象）in space,     5     （include） "disappearing buoyancy（浮力）" and a "water ball". At last, before the end of the livestreamed activities, they     6     （happy）answered questions from students.     7     （million）of primary and middle school students across China watched the 60-minute televised event, which was the first lecture of the Tiangong Class, China' s first extraterrestrial（地球大气圈外的）lecture series to make students interested     8     space science.

The manned space agency said that more lectures would     9     （hold）based on the country's manned spaceflights and would also be presented by some     10     （profession）Chinese astronauts. Such activities are intended to spread knowledge about manned spaceflights for science among young people.