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Hello, I’m Nick. I’m thirty. I’m a doctor.
Hi, I’m Amy. I’m a woman. I’m a teacher.
1．There are ________ people. ( )
| A．2 | B．3 | C．4 |
| A．Yes, I am. | B．No, I’m not. | C．No. I’m thirty. |
| A．Yes, I am. | B．No, I’m not. | C．No. I’m a student. |
| A．doctor | B．teacher | C．student |
| A．Bob | B．Nick | C．Amy |
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
