要求:
1.根据所提供的信息,给该报社写”一封建议信;
2.词数:80词左右(开头结尾已给出,不计入总词数);
3.文中不得出现真实姓名和学校名称.
Dear Editor ,
My name is Li ping , a middle school student . I’m excited to know that the 15thGames of Fujian Province will be held in our city in 2014 . To make it successful ,
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Yours ,
Li Ping
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