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B: It’s spring, so it is warm and sunny.
A: Oh.
B: I can see a boat on the lake.
A: Yes, spring is the best time (最好的时节) to go boating.
B:
A: Yes, I do. But I can’t boat.
B: It’s not difficult.
A: Can you swim?
B: Yes. I often (常) go to swim with my father in summer.
A: I can’t swim
B:
| A．What can you see over there? |
| B．Do you like boating? |
| C．What season is it now? |
| D．You can try. |
| E．but I like skating. |
| F．That’s right. |
| G．Skating? |
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
