搜索
| A．summer | B．autumn | C．winter | D．white |
| A．six | B．five | C．twentieth | D．nine |
| A．morning | B．having | C．drinking | D．jumping |
| A．mine | B．his | C．hers | D．yours |
| A．Monday | B．April | C．March | D．August |
| A．usually | B．often | C．when | D．sometimes |
| A．breakfast | B．lunch | C．dinner | D．festival |
| A．weather | B．where | C．whose | D．which |
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
