搜索
Jim: Hello, Li Ping. This is my friend, Ann. She’s from the UK.
Li Ping: Hello, Ann.
Ann:
Li Ping:
Ann: Yes, of course.
Li Ping:
Ann: OK. So we can write to each other in English.
| A．This is my address in England. |
| B．I can’t write in English. |
| C．Pleased to meet you. |
| D．Yes, I can speak some Chinese. |
| E．Can you be my pen friend? |
| F．I can write in English. |
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
