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1．What is Alan’s dream? ( )
| A．To be a student. | B．To be a mother. | C．To be a teacher. |
| A．Happy. | B．Tired. | C．Stupid. |
| A．no bad people and no wars | B．more parks in the city | C．A and B |
| A．绿水青山就是金山银山。 |
| B．绿色的山和清澈的水就是金银。 |
| C．绿色的山和绿色的水就等于金色山和银色山。 |
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
