A.百舸(ɡě) 寂寥(liáo) 轮廓(ɡuō) 怅然若失(chànɡ) |
B.沉浮(chén) 峥嵘(zēnɡ) 携手(xié) 万户侯(hóu) |
C.恰巧(qià) 稠密(chóu) 斥责(chè) 层林尽染(rǎn) |
D.遏止(è) 竞赛(jìnɡ) 遒劲(qiú) 强劲有力(jìnɡ) |
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