题目内容：

课文填空。用括号中所给词的适当形式填空，使语篇意思完整，必要时请用否定式。

Did you know that tea, the most popular drink in the world (after water), was invented by accident? Many people believe that tea was first ____1.___(drink) about 5,000 years ago. It is said that a Chinese ruler called Shen Nong was the first ___2.____ (discover) tea as a drink. One day Shen Nong was ____3.____ (boil) drinking water over an open fire. Some leaves from a tea plant fell into the water and remained there for some time. It produced a nice smell so he tasted the brown water, it was _____4.____ (quite) delicious, and so, one of the world’s favorite drinks was invented.

A few _______5._____(thousand) years later, Lu Yu, “the saint of tea”，mentioned Shen Nong in ____6.____(he) book Cha Jing. The book describes how tea plants were grown and used to make tea. It also discusses where the___7.____(fine) tea leaves were produced and what kinds of water were used.

It is believed that tea was brought to Korea and Japan during die 6tfa and 7th centuries. In England, tea______8.______(appear) until around 1660, but in less than 100 years, it had become the national drink. The tea trade from China to ______9.______(west) countries took place in the 19th century. This helped to spread the ______10._____ (popular) of tea and the tea plant to more places around the world. Even though many people now know about tea culture, the Chinese are without doubt the ones who best understand the nature of tea.