A.悠闲(yōu) 栅栏(zā) 揉眼(róu) 泡沫(mò) |
B.颠倒(diān) 障碍(ài) 唯一(wéi) 秘诀(mì) |
C.自豪(háo) 希望(xī) 零下(níng) 鳄鱼(è) |
D.抽屉(chōu) 抓痒(yǎng) 形状(zhuàng) 糖醋(chù) |
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