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A: Hi, Tony. Let’s go to the bookstore.
B: Good idea, Kate.
A: I want to buy a comic book.
B: I read a comic book last night.
A:
B: Yes, it was interesting.
A:
B: No, I stayed at home and slept.
A: How do you feel now?
B:
| A．I feel better. Thanks. |
| B．Did you see a film last weekend? |
| C．I had a cold. |
| D．What do you want to buy? |
| E．Was it interesting? |
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
