题目:____________真“牛”
提示:生活中总会有一些人令我们刮目相看,让我们不自觉地把掌声送出,为他(她)竖起大拇指,他(她)可能是爸爸、妈妈、奶奶、老师、邻居、同学……请先把作文题目补充完整,再通过具体的事例写出这个人“牛”在哪里。(注意:文中一律不得出现真实的校名、班级和姓名。)
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