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| Mike | √ | |||
| Liu Tao | √ | √ | ||
| Su Hai | √ | |||
| Yang Ling | √ | √ |
1．Do the boys both like playing football? ( )
| A．Yes, they do. | B．No, they don't. | C．I don't know. |
| A．Yes, they do. | B．No, they don't. | C．I don't know. |
| A．playing football | B．swimming | C．both A and B |
| A．swimming | B．drawing | C．watching films |
| A．One | B．Two | C．Three |
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
