土炕(A.kànɡ B.kēnɡ) 肆虐(A.luè B.nüè)
盘踞(A.jù B.jū) 淤泥(A.yū B.wū)
柴火(A.cái B.chái) 归宿(A.sù B.shù)
擎起(A.qínɡ B.jìnɡ) 恭敬(A.ɡōnɡ B.ɡònɡ)
享福(A.xiánɡ B.xiǎnɡ)
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