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[[QOrDeR]]外面下雨了，雨水从窗户流到屋内，我应该怎么做：( )
| A．Open the door. |
| B．Close the door |
| C．Close the window. |
| A．Clan the floor. |
| B．See a film. |
| C．Play the piano. |
| A．Open the door. |
| B．Close the door . |
| C．Clean the door. |
| A．What do you do on Sunday? |
| B．What do you do on Sundays? |
| C．What are you doing on Sundays? |
| A．I see a sheep. |
| B．Look at the sheep. |
| C．This is a sheep. |
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
