(1)yì lì( )在山顶的战士nǐnɡ kāi( ) shǒu liú dàn( ),lūn qǐ( )胳膊,miáo zhǔn( )敌人,用力投了出去,被炸伤的敌人纷纷zhuì xià( )崖去。
(2)miào mén( )前的人们望着地上的bīnɡ báo( )都把脸běnɡ( )得紧紧的。
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