Who | Where | When | What | With Whom |
Li Wei | Hong Kong | Next year | Visit Disneyland | With parents |
David | New York | Last winter | Visit grandpa | With Peter |
Betty | Beijing | In 2016 | Visit the Great Wall | With teacher |
1.Li Wei is going to Hong Kong next year. (
2.Li Wei is going to visit Disneyland with Peter. (
3.David visited his grandpa with Peter in 2016. (
4.Betty visited Beijing last year. (
5.Betty visited the Great Wall with her teacher. (
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