We must              school within three days.

After experiencing all of this, I learned a lot. I began to             .

She spent 6 months              for stealing.

They                     the last stage of their       to the West Lake of Hangzhou.

In the center of the entrance room was a large              a man riding a horse.

Pan Jianwei, "Father of quantum (量子)", was born in Zhejiang in March 1970. He      the University of Science and Technology of China from 1987 to 1995. Pan went to Vienna in 1996      and stayed there until 2001. Then he      the Chinese university as a physics professor and began to build a quantum science research team at the university. The team now includes about 50 scientists, most of whom are also returnees from overseas (海归).

He became a member of the Chinese Academy of Sciences (中科院). Of all the members, he was      . In 2015, he was named the standing vice—president of the University of Science and Technology of China.

          , the world's first quantum satellite (卫星) was launched (发射) successfully in August 2016.

    Pan Jianwei was recognized by Nature magazine on its list of "10 people who mattered" in 2017.

    Beijing Opera appeared in the Qing Dynasty (朝代). In 1790, many opera troupes (戏班) went to Beijing for performances to celebrate the birthday of Qianlong. This kind of unusual performance touched the hearts of the people deeply. While in Beijing, the troupes created a new kind of opera called Beijing Opera. It was on the basis (基础) of Anhui Opera by taking in the advantages of other operas.

    Beijing Opera is quite unique (唯一的) in role shaping because it divides the roles into different kinds. They are sheng, dan, jing and chou which are quite different in many ways.

    A popular song goes like this, "Foreigners call Jingxi Beijing Opera." In fact, Beijing Opera is different from opera. Opera tells the story and expresses the thoughts by singing instead of speaking. But Beijing Opera stresses (强调) chang, nian, zuo and da. Chang means singing, nian means musical spoken parts, zuo means dance movements and da means martial (武打) skills.

    Mei Lanfang is an excellent performing artist of Beijing Opera in China. In 1930, he led an opera troupe to America and presented Beijing Opera before Western people. Today, Beijing Opera has become a sign of Chinese culture. It is changing with the development of different musical styles.