China on December 20 marked the 21st anniversary of Macao's return and the establishment of the Macao Special Administrative Region. Who governed Macao before its return?

A number of countries are choosing COVID-19 vaccines made by China's Sinovac and Sinopharm. Egypt received its second batch of doses last week. These are easier to store than Pfizer's vaccine, which requires storage temperature of minus 70 degrees Celsius. What temperature do Chinese vaccines require?

Chinese Tai Chi, a centuries-old martial art and now a popular form of exercise, was last week included in the UNESCO's Representative List of Intangible Cultural Heritage of Humanity. Which country has the most entries on the list?

eSports was last week approved for inclusion as a medal event in the Asian Games in Hangzhou, east China's Zhejiang Province. When was it introduced to the Asian Games?

More than 70 countries have officially incorporated Chinese language teaching into their national education systems, China's Vice Minister of Education Tian Xuejun said on December 14. Chinese is one of the six official languages of the UN. Which one of the following is not?

A massive reservoir of which natural resource was last week found in northwest China's Xinjiang Uygur Autonomous Region?