A.宿舍(shè) 落下残疾(lào) 兴奋(xīng) 凌乱(líng) |
B.犹豫(yóu) 扎在背上(zā) 担保(dān) 胳臂(bei) |
C.稍息(shào) 一骨碌(gū) 背诵(bèi) 茶几(jǐ) |
D.低吟(yín) 膝盖(qī) 中弹(zhòng) 处罚(chǔ) |
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