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[[QOrDeR]]f_ t ( )
| A．o | B．u | C．oo |
| A．i | B．h | C．a |
| A．ai | B．i | C．ay |
| A．tr | B．ty | C．tree |
| A．e | B．i | C．a |
| A．o | B．ar | C．or |
| A．ar | B．er | C．ea |
| A．i | B．a | C．o |
| A．teen | B．ty | C．th |
| A．ie | B．ea | C．an |
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
