搜索
| Name | Sing | Swim | Dance | Draw |
| Li Ming | √ | × | √ | × |
| Zhang San | × | √ | × | √ |
| Kimi | √ | × | × | × |
1．Who can sing? ( )
| A．Li Ming and Zhang San. | B．Li Ming and Kimi. | C．Zhang San and Kimi. |
| A．sing and swim | B．swim and draw | C．sing and dance |
| A．Sing. | B．Swim. | C．Dance. |
| A．Yes, Zhang San can’t. | B．Yes,Zhang San can. | C．No,Zhang San can’t. |
| A．Li Ming can dance. | B．Zhang San can draw. | C．Kimi can swim. |
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
