A Chinese saying goes that “Firewood, rice, cooking oil, salt, sauce, vinegar 【小题1】 tea are the seven necessities to begin a day.” Without doubt, tea 【小题2】 (welcome) all over the world. According to the UN, tea is 【小题3】(much) than just a hot drink. It’s a big part of many cultures around the world.

You 【小题4】 (possible) know that people in China use top-grade tea 【小题5】 (show) respect when receiving important guests. Meanwhile, the British tradition of afternoon tea is an important part of that country’s identity. Making Malaysia’s pulled tea has become a sort of art form, where drinkers take pride in its entertainment aspects. As an 【小题6】 (express) of Moroccan hospitality (好客) and tradition, mint tea — a mix of green tea, spearmint leaves and sugar — is served during gatherings and negotiations.

Apart from 【小题7】 (it) cultural significance, tea is also a medicine, 【小题8】 (use) from ancient times to modern days. Li Shizhen, 【小题9】 was a Chinese Ming Dynasty herbalist, once said, “Tea is cold and lowers the fire.” The health benefits of tea are still being discovered today: preventing heart disease, obesity and cancer have all been linked 【小题10】 drinking green tea, according to the National Center for Biotechnology Information in the US.

Tea is an important part of Chinese traditions. As Chinese society developed and progressed, tea production has played a role in【小题1】(promote) economic development while tea consumption has remained a practice of daily life. Tea has an【小题2】(extreme) close relationship to Chinese culture, and its study covers a wide range of fields【小题3】has very rich content.

The history of Chinese tea is【小题4】long and gradual story of refinement (完善). Generations of growers and producers have perfected the Chinese way of manufacturing tea, and its many unique regional variations.

The original idea is credited to the legendary Emperor Shennong, who is said to have lived 5,000 years ago. He required that all drinking water【小题5】(boil) as a hygienic precaution (卫生预防). One summer day, while visiting a distant part of his country, Emperor Shennong stopped【小题6】(rest). In accordance with his ruling, the servants began to boil water【小题7】Emperor Shennong to drink. Some dried leaves from a nearby bush【小题8】(fall) into the boiling water, and a brown substance mixed with the water. As a【小题9】(science), the emperor was interested in the new liquid, drank some, and found【小题10】very refreshing. And so, according to legend, tea was created in 2737 BC.

Around the country, apps 【小题1】connect customers to businesses with leftover food have begun to spread. The concept is simple: Restaurants and grocery stores throw away huge 【小题2】 (amount) of food every day. Rather than trash it, apps like Too Good To Go and Flashfood help businesses sell it 【小题3】a reduced price. They claim that the businesses and buyers are helping the environment 【小题4】the food would otherwise become food waste, a big contributor to climate change. Food production 【小题5】 (it) is a major contributor to greenhouse gas emissions, 【小题6】 (account) for between a quarter and 【小题7】third of global emissions. Each step of the process — growing, harvesting, moving, processing, packaging, storing and preparing food —【小题8】 (release) carbon dioxide, methane and other planet-warming gases. When the food 【小题9】 (waste), so are all those emissions. In addition, once unused food reaches landfills, it breaks down and releases more methane. In the United States, customers in 12 cities can browse restaurants and stores, then reserve “surprise bags” that typically cost about $4 to $6 and contain food that would have been 【小题10】 (origin) priced at roughly three times that amount.