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I am a boy. This is my home. There are four rooms. My father is watching TV in the living-room. My mother is cooking some salad. My sister is doing the homework. I can act a play out about Robin. We will have a party.
1．The title is ______. ( )| A．Boy’s family | B．Girl’s family |
| A．Three. | B．Four. |
| A．Yes. | B．No. |
—She is cooking ______.
| A．some hamburgers | B．some salad |
—He is ______.
| A．acting a play out | B．doing the homework |
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
