春天,我们yāo qǐnɡ( )朋友一起爬上dǒu qiào( )的山林,雨后的山林不仅jìnɡ mì( ),而且qīnɡ shuǎnɡ( )。我们hōnɡ kǎo( )着美味的食物,欣赏着帘帘的pù bù( ),听着鸟儿婉转的yīn yùn( ),我真想拥抱美丽的大自然。

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

