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（1）你好，我是埃米。( )
A. Hi, Amy B. Hello, I’m Amy.
（2）向熟人问好时，你应该说_____( )
A. How are you? B. Thank you.
（3）有人送你礼物时，你应该说______( )
A. Hello. B. Thank you.
（4）早上遇到同学应该说______( )
A. How are you? B. Good morning.
（5）我很好，谢谢。( )
A. Good morning. B. I’m fine, thank 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
