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例句: Wang Bing: Hello! May I speak to Miss Li?
Miss Li: Hello! This is Miss Li speaking.
Wang Bing: Miss Li This is Wang Bing. I have a fever. I can’t go to school.
Miss Li: I’m sorry to hear that. Take care.
Wang Bing: OK. Thank you. Bye!
Miss Li: Bye!
仿写: Yang Ling: Hello!
Su Hai: Hello!
Yang Ling: Su Hai, This is Yang Ling.
Su Hai:
Yang Ling: OK.
Su Hai: Bye!
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
