A.mine | B.library | C.art room | D.music room |
A.computer | B.cold | C.hot | D.warm |
A.jacket | B.dress | C.skirt | D.first |
A.cloudy | B.colour | C.sunny | D.windy |
A.dinner | B.lunch | C.PE class | D.breakfast |
A.potato | B.forty | C.tomato | D.green beans |
A.hen | B.cow | C.sheep | D.farm |
A.sock | B.shirt | C.cheap | D.shorts |
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