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Mike: Wait a minute, Mum.
Mum: Hurry up. You can make it later.
Mike: OK. What must I do first?
Mum:
Mike: All right.
Mum: That’s right.
Mike: I see.
| A．You should keep you room tidy (整齐的). |
| B．But it’s still (仍然) messy today. |
| C．Put all the toys in the box. |
| D．Then I am going to sweep the floor. |
| E．I’m making a paper ship. |
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
