A.把 B.群 C.艘 D.方 E.弹 F.唱 G.练 H.荡 I.踢
(1)一
一
A.哪 B.那
(2)我的
A.带 B.戴
(3)妈妈
A.底 B.低
(4)在井
A.冷清 B.冷静 C.寒冷
(5)冬天的早晨特别
从早到晚,家里都很
遇到危险时,我们一定要
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