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Su Nan: Hi, Wang Wei! This is Su Nan.
Wang Wei:
Su Nan: What are you doing?
Wang Wei:
Su Nan: Is listening to music your hobby?
Wang Wei:
Su Nan: Tomorrow is Saturday.
Wang Wei: To the bookstore.
Su Nan:
Wang Wei: I’m going to buy a new word book.
Su Nan:
Wang Wei: Sure.
| A．Yes, it is. |
| B．Hi, Su Nan! |
| C．I’m listening to music. |
| D．What are you going to buy? |
| E．Can I go with you? |
| F．Where are you going? |
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
