Ancient(古代的)China had four great inventions: compass(指南针), gunpowder(火药), paper making and printing(印刷术). These inventions 1the world.
In recent years, China has made great 2 in technological(科技创新). The most famous are "China's four great 3inventions". They are high-speed trains, bike sharing, 4payment and online shopping.
China was not the 5inventor of these creations. But the country is 6the world in these areas. These innovations have made people's lives7and better. They were8discussed last year.
Some of them have gone abroad. For example, Chinese companies are 9 high-speed railways in Europe, Southeast Asia and South America. Chinese bike- sharing companies Mobike and Ofo are also 10in other countries, including Singapore, Russia, the UK and the US.
