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Amy: Hello, John.
John: I can wash my clothes.
Amy: Great! You’re helpful!
John: I often play football with my friends.
Amy: I often go to the nature park.
John:
Amy: Yes, there is a big lake. There are many flowers near the lake.
John:
Amy: No, there aren’t any bridges. But there are many rivers.
| A．What about you? |
| B．Are there any bridges? |
| C．What can you do? |
| D．What do you do on the weekend? |
| E．Is there a lake in the nature park? |
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
