A.矗立(chù) 机械(jiè) 天涯(yá) 好客(hào) |
B.戎装(jiè) 渲染(xuàn) 勾勒(lè) 目的(dì) |
C.匕首(bì) 似乎(sì) 羞涩(sè) 迂回(yū) |
D.戈壁(gé) 商贸(mào) 高鼻凹眼(āo) 芝麻(zhī) |
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