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假如你是李华，请给你的外国好友Andrew写一封电子邮件，介绍你校美食文化节（food festival）的相关内容及举办目的, 并邀请他参加此次美食节。邮件内容包括：
| Time | 2: 00 p.m. Friday, June 25th |
| Place | the school playground |
| Activities | cook, have something delicious ... |
| Aims | experience Chinese food culture, raise money for charity. |
（1）邮件必须包括表格中的所有信息，可适当发挥；
（2）邮件中不得出现真实人名和校名等相关信息；
（3）词数：80-100。邮件的开头和结尾已给出，不计入总词数。
| To: Andrew |
| From Li Hua |
| Hi, Andrew How is it going?_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Looking forward to your reply. 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
