Dubbed “rocket boy”, Yan Hongsen, 【小题1】primary school student from Shaoxing,Zhejiang province, 【小题2】 (invite) to teach his whole school about space science at the opening ceremony of the new school term.

The 9-year-old boy【小题3】won national fame after【小题4】 (point) out factual errors in a planetarium documentary(天文馆纪录片)is now giving astronomy lessons to his schoolmates.

Yan【小题5】 (be) a space science fan since he was just 4 years old and makes cardboard rocket models and teaches online classes to other【小题6】 (love).He became【小题7】 (interest) in space science, then fell in love with astronomy and military affairs.

After the short video about him was【小题8】wide)spread,this smart boy is well known all over China. Many schools including his own invited him to give lessons. His【小题9】pride) father posted the boy’s “job offer”when Yan was made “Aerospace Junior Lecturer” by his school who sets an example【小题10】all the teenagers.

Lucy Black recently became the youngest person 【小题1】(travel) to every country in the world. By the age of 23, she has visited all the countries in an effort to challenge 【小题2】(she) and push the limits of 【小题3】 she believed was possible for a female traveler.

Lucy primarily used planes, boats, and trains to get around. It was not all plain sailing and there were many difficulties Lucy met, including 【小题4】(arrange) visas to enter some countries. But the challenges 【小题5】(outweigh) by the memorable experiences on her way. “There’re so many incredible experiences that can come out of traveling alone because you are more open to the connections with the 【小题6】(local) than you would be in a big group,” she said.

Lucy had the pleasure of meeting a variety of people and experiencing different cultures. But the most 【小题7】(value) experience of all was discovering 【小题8】 new sense of independence, she said.

For Lucy, nothing beats traveling, which she described 【小题9】 her favorite part of being alive. “But I would be lying if I said I wasn’t enjoying taking time over the past year to recover from all the wear and tear I 【小题10】(do) to my body over the past three years,” she added.

Every Monday morning, 73-year-old Li Lanjuan sits in her office, 【小题1】( receive) patients. Despite being a leading figure in China, Li regards herself as 【小题2】ordinary medical worker. When the COVID-19 broke out, Li, without any【小题3】 ( hesitate) , joined the expert group and headed for Wuhan lo fight against the disease. As soon as the team found that the new virus can be transmitted from person to person, she handed her proposal 【小题4】Wuhan should be 【小题5】 (immediate)locked down to the central government. It 【小题6】(adopt)the next day and proven to be 【小题7】(effect) Idler. Constant work allowed her very little time 【小题8】(sleep). When a picture of her 【小题9】 (exhaust)face was posted on the Internet, many Internet users shed tears. But Li smiled and said, “I'm in good health”, and continued to “race 【小题10】time", Li has been fully committed to her job. No wonder many call her'' a female fighter on the frontline".