Chinese New Year is
A.comes | B.come | C.coming |
A.excited | B.exciting | C.excite |
A.foot | B.bike | C.bus |
A.At | B.In | C.On |
A.don’t | B.sometimes | C.always |
A.and | B.with | C.to |
A.flowers | B.red packets | C.books |
A.find | B.look | C.watch |
A.on | B.in | C.at |
A.our | B.us | C.we |
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