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Sports Names | football | basketball | swimming | long jump | high jump | 100 metres | 200 metres |
| Sue | √ | √ | √ | ||||
| Jim | √ | √ | √ | ||||
| Amy | √ | √ | √ | ||||
| Daming | √ | √ | √ | ||||
| Sam | √ | √ | √ |
2．Jim is going to swim and do the long jump on sports day.
3．Amy is going to play basketball and do the high jump.
4．Daming and Jim are going to play football.
5．Sam and Daming are going to play football and 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
