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假如你是李华，你校外教Henry对茶感兴趣。请你根据图表提示，用英语给他写一封邮件，邀请他来观摩你校举办的首届茶博会，感受中华茶文化。
| 茶博会Tea festival | Time | July 1 to 3, 2021 |
| Activities | Make tea; learn about tea | |
| History of tea | Thousands of years | |
| Benefits（益处）of tea | …… |
注意：
（1）文中不得出现个人真实信息，如姓名、校名等；
（2）文中应包含表格所给信息，并补充完整所缺信息；
（3）词数：80～100词（短文开头已给出，不计入总词数）。
Dear Henry,
I know that you are interested in tea._____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Yours,
Li Hua
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
