你的文具盒里有铅笔,橡皮、直尺……它们每天都在为你服务,有一天,它们悄悄说起话来。想一想,它们会说些什么?请你以“文具盒里的对话”为题,写一篇童话,不少于250字。
要求:1.大胆展开想象,把故事写完整,语句要通顺、连贯;2.书写工整,标点正确,尝试运用平时积累的好词佳句;
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