1.京口瓜洲一水间( )
A.珠江 | B.长江 | C.大运河 |
A.几层 | B.几座 | C.很多座 |
A.只 | B.但是 | C.可是 |
A.停泊;指停泊靠岸 | B.停止 | C.依靠 |
A.绿色 | B.吹绿,拂绿 | C.变绿 |
A.还在 | B.还是 | C.回 |
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