A.吮(yǔn)吸 暄嚣(xiāo) 讪讪(xiān) 籼(xiān)稻 |
B.揳(xiē)入 怅寥(liǎo)廓 田埂(gěng) 粳(gěng)米 |
C.忸怩(niǔ ni) 罅(xià)隙 碾轧(niǎn yà) 窸窸窣窣(sū) |
D.讷讷(nè) 兜鍪(móu) 分蘖(niè) 戛(jiá)然而止 |
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