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1．l___ ___ch (午饭) ( )
| A．ue | B．un | C．ui |
| A．e; n | B．n; e | C．o; b |
| A．eat | B．ine | C．ove |
| A．au | B．on | C．ou |
| A．h | B．p | C．w |
| A．h; o | B．o; h | C．u; e |
| A．ea | B．ee | C．ac |
| A．c; t | B．c; e | C．s; t |
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
