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1．我能试试吗？( )
| A．Can I try them on? | B．Can I go outside now? | C．What can you do? |
| A．What about you? | B．What are those? | C．How do you like this skirt? |
| A．It's very cheap. | B．It's very pretty. | C．It's too big. |
| A．These shoes are nice. | B．These shoes are cheap. | C．These shoes are red. |
| A．It's your mother's. | B．It's me. | C．It's mine. |
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
