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1．Where does the writer live?
| A．In a school. | B．In a city. | C．In a town. |
| A．About 2000. | B．About 100. | C．Over 2000. |
| A．By bike. | B．By car. | C．By bus. |
| A．One yuan. | B．Less than one yuan. | C．More than one yuan. |
| A．Because he can’t afford a car. |
| B．Because the buses don’t travel that way any more. |
| C．Because he doesn’t want to pollute the environment. |
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
