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1．Who is the woman?
| A．A police officer. |
| B．An immigration official. |
| C．An air hostess. |
| A．The line on the man’s right. |
| B．The line on the woman’s left. |
| C．The line on the woman’s right. |
| A．For a few months. | B．For a year. | C．For two years. |
| A．His father has paid for that in advance. |
| B．He has won a scholarship. |
| C．He will take a part-time job to pay for that. |
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
