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（_____）1. Goodbye!
A．Good evening, Peter!
（_____）2. Good evening, Dad!
B．Bye!
（_____）3. Good night, Mum!
C．Good night, Lisa!
（_____）4. What’s your name?
D．Good afternoon!
（_____）5. Good morning!
E．Morning!
（_____）6. Hello! I’m Wang Lin.
F．Hello! I’m Peter.
（_____）7. Good afternoon!
G．My name is Liu Ling.
（_____）8. Who are you? H. I’m Li Yan.
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
