a Teens help students in remote（偏远的）areas
Luo, a Chinese university student, only turned 18 in January, but he's already made a big difference to the lives of many poor young people living in China's re- mote areas. His online English lessons have offered them a chance to know a world they could only imagine before. Many have achieved university dreams. |
b Lu Ban Lock: magic Chinese puzzle
Over 2, 000 years ago, a famous Chinese carpenter named Lu Ban created a mag- ic Chinese puzzle called the "Lu Ban Lock", which he used to test how smart his son was. Watch as Rachel learns to make this Chinese puzzle and tries to solve it! Do you want to have a try? |
c The first picture of the black hole
The first picture of the huge black hole at the heart of the Milky Way was shown on Thursday, thanks to the efforts of astronomers（天文学家）from around the world, including 17 from China. Shen Zhiqiang says that the future purpose of the Event Horizon Telescope (EHT) is to get video pictures of the black hole at the center of the Milky Way. |
d China's healthcare
China has made progress in public health over the past years. In 1949, av- erage life expectancy（平均预期寿命）was 35. It reached 77 in 2019, much higher than the world average of 73. In 1949, there were just 3, 670 medical and health organizations in the whole country. The number increased to nearly 1 million at the end of 2018. Health insurance（保险）has also benefited over 95 percent of the population. |
