A.清洁(jié) 绒球(rónɡ) 摔跤(shuāi) 影子(yǐn) |
B.戒尺(jiè) 练字(liàn) 处罚(fá) 背诵(sònɡ) |
C.厉害(lì) 挨打(āi) 模糊(mó) 举例(lì) |
D.凤凰(fònɡ) 衣裳(shanɡ) 假装(jiǎ) 清楚(cǔ) |
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