(1)The computer room is on the s floor.
(2)Itʼs 7 oʼclock .Itʼs time for b . I would like milk and bread.
(3)A:Is it warm today?
B:No,it isnʼt .Itʼs very c .
(4)Itʼs r outside .Take(带) your umbrella(雨伞).
(5)Itʼs time for m class. Letʼs sing and dance.
(6)Itʼs time for PE class . Letʼs go to the p .
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