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1．—Where are the children? ( )
— They are _______.
| A．at home |
| B．in the shop |
| C．in the park |
— It is _______.
| A．in the grass |
| B．on the tree |
| C．on the bridge |
— It is ________.
| A．in the sky |
| B．on the grass |
| C．on the tree |
— There _______.
| A．are two |
| B．is one |
| C．are three |
— She is walking ______.
| A．on the grass |
| B．on the bridge |
| C．on the road |
| A．Yes, I can. |
| B．No, I can't. |
| C．Yes, I do. |
— There is a ______.
| A．bird |
| B．butterfly |
| C．plane |
| A．No, there aren't. |
| B．Yes, there are. |
| C．No, there isn't. |
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
