⑴知有儿童挑促织, 。
⑵ ,每逢佳节倍思亲。
⑶秋天的雨的,吹起了金色的小喇叭,它告诉大家,冬天快要来了。( )衔来树枝造房子,( )找来松果当粮食,( )在加紧挖洞,准备( )地睡大觉。
⑷天对地,( ),大陆对( )。山花对( ),( )对苍穹。
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