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1．How many books do you have? ( )
| A．I have three books. |
| B．I have four books. |
| C．I have five books. |
| A．This is my language lab. |
| B．This is my Chinese lesson. |
| C．This is my science lab. |
| A．Yes, I like English. |
| B．No, I don’t like science. |
| C．Yes, I like Chinese. |
| A．Come here! |
| B．This way, please. |
| C．Thank you very much. |
| A．There are three boys. |
| B．There are five children. |
| C．There are six girls. |
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
