(1)xī ( )灯 休( ) 东( )
(2)xí ( )击 学( ) 主( )
(3)dài ( )帽 ( )领 等( )
(4)mó ( )菇 ( )炼 ( )范
静 境 敬 竞 竟 净
( )然 ( )爱 究( )
环( ) 纯( ) (竞)争
( )界 (竞)选 毕( )
(竞)赛 干( ) 崇( )

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

