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( )（1）
—________
—I'm fine.
A．How are you? B．How is Sam?
C．How is Amy?
( )（2）
—________
—Bye!
A．Hello! B．Hi! C．Goodbye!
( )（3）
—________
—Good morning!
A．I'm Sam. B．I'm fine.
C．Good morning!
( )（4）
—________
—Hello，I'm Daming!
A．Good morning!
B．Hello，I'm Lingling!
C．How are you?
( )（5）
—How are you?
—________
A．I'm not fine. B．Goodbye!
C．How are you?
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
