(1)结合下面思维导图的提示,用四字短语补全空缺处。
答:①
③
(2)阅读下面有关“童谣”的短文,联系全文,将空缺内容补写完整,注意语意连贯。
①
“胖娃儿胖嘟嘟,骑马上成都,成都又好耍,胖娃儿骑白马……”一首首川西童谣伴着孩子们清脆的童音,在深深的巷子里,③
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