Unit6 When was it invented?
一、单词
1.n. 鞋跟；足跟 24.n. 地震 2.n. 电；电能 25.adj. 突然（的） 3.n. 勺；铲子 26. 突然；猛地 4.n. 样式；款式 30.n. 饼干 5.n. 项目；工程 6.n. 高兴；愉快 7.n. 拉链；拉锁 8.adj. 每日的；日常的 9.n. 网站 10.n.先锋；先驱 11.v. 列表；列清单n. 名单；清单 12.v. 提到；说到 13.偶然；意外地 14.adv. 几乎；差不多 15.v. 煮沸；烧开 16.n. 气味v. 发出⋯⋯气味；闻到 17.n. 圣人；圣徒 18.发生；出现 19.n. 疑惑；疑问 v. 怀疑 20.毫无疑问；的确 21.n. 冰箱 22.v. 翻译 23.v. 锁上；锁住
31.n. 曲奇饼 32.n. 器械； 仪器；工具 33.adj. 脆的；酥脆的 34.adj. 酸的；有酸味的 35.错误地；无意中 36.n. 顾客；客户 37.n/ adj. 加拿大的；加拿大人的 n. 加拿大人 38.v. 分开；分散 39.把⋯⋯分开 40.n. 目的；目标 41.n. 篮；筐 42. 奥林匹克运动会 43.钦佩；仰慕 44.n. 英雄；男主角 45.柏林（德国城市） 46. 国家篮球协会 （美国职业篮球联赛 47.中国篮球协会（中国职业篮球联赛） 二、用括号中所给单词的适当形式填空。
An Accidental Invention
Did you know that tea, the most popular drink in the world (after water), was _________ (invent) by accident? Many people believe that tea was first ________ (drink) nearly 5000 years ago. It is _________ (say) that a Chinese ruler _________ (call) Shen Nong was the first to discover tea as a drink. One day Shen Nong was _________ (boil) drinking water over an open fire. Some leaves from a tea plant _________ (fall) into the water and remained there for some time. It produced a nice smell so he tasted the brown water. It was quite delicious, and so, one of the world’s favorite drinks was invented.
A few thousand years later, Lu Yu,” the saint of tea” mentioned Shen Nong in his book Cha Jing. The book describes how tea plants were grown and _________ (use) to make tea. It also discusses where the finest tea leaves were produced and what kinds of water were used.
It is believed that tea was _________ (bring) to Korea and Japan during the 6th and 7th centuries. In England, tea didn’t appear until around 1660, but in less than 100 years, it had become the national drink. The tea trade from China to Western countries _________ (take) place in 19th century. This helped to spread the popularity 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.
