Spring Festival is Chinese New Year’s Day. It’s a
A.popular | B.nice | C.happy |
A.come | B.comes | C.is coming |
A.in | B.on | C.to |
A.very good | B.very well | C.very much |
A.What | B.Where | C.When |
A.play | B.water | C.clean |
A.In | B.On | C.At |
A.first | B.second | C.third |
A.eats | B.ate | C.eat |
A.meet | B.visit | C.Go |
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