(1)泉池正中有三股比吊桶还粗的清泉,“咕嘟咕嘟”地从泉底往上冒,如同三堆白雪。(______)
(2)你还会看见一只行动敏捷的小熊猫,从山坡跑下谷底,对着湖面美滋滋地照镜子。(______)
(3)一座座雪峰插入云霄,峰顶银光闪闪。(______)
(4)仿写:___________________________________
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