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1．
（ ）| A．I have a cat. |
| B．I have a toy car. |
| C．I have a toy bus. |
（ ）| A．Mrs Li is Amy’s aunt. |
| B．Amy is Mrs Li’s mother. |
| C．Mrs Li is Amy’s mother. |
（ ）| A．I have a bag. |
| B．I have a bear. |
| C．I have a ball. |
（ ）| A．May I use your ruler? |
| B．May I use your rabbit? |
| C．May I use your eraser? |
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
