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植树节到了、六年级三班明天准备去南山South Hill植树。班长Li Hua在班级板报上写了一个通知：全体学生早上8点学校大门口集合、乘校车往返：自带食品和饮料，在那儿吃午饭。下午4点返回，不准乱抛垃圾、节约用水，不准迟到。请按提示写一个不低于10句的通知。
Tomorrow is Tree-Planting Day. We are going to the South Hill to ___________________________________
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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
