①小小花儿爬篱笆,张开嘴巴不说话,红紫白蓝样样有,个个都像小喇叭。
②胖娃娃,滑手脚,红尖嘴儿一身毛,齐天大圣最爱它。
③小小一姑娘,坐在水中央,身穿粉红袄,阵阵放清香。
④身体长又长,开花黄又黄,脸蛋儿像太阳,籽儿香又香。
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