(1) huáng hūn( ),我给huà méi( )鸟wèi shí( ),它发出yōu měi( )的鸣叫声,好像在说:“谢谢!”
(2)这是一次大mào xiǎn( ) ,但令大家意想不到的是,他居然 chéng gōng( ) 了!
(3)大家都在奋力zhuī gǎn( ),yóu qí( )到了冲刺阶段,更是异常激烈。

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

