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Simon: Hi, Xiaoyong! This is my friend, Tom.
Xiaoyong:
Tom: Pleased to meet you, too! You speak very good English, Xiaoyong.
Xiaoyong: Thank you.
Tom:
Xiaoyong: Yes, I can. I can write emails in English.
Tom:
Xiaoyong: Yes, of course. This is my address in China.
Tom: Thank you.
Xiaoyong:
| A．Can you write in English? |
| B．Pleased to meet you! |
| C．Can you be my pen friend? |
| D．You're welcome! |
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
