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Mike: Spring. But in Beijing I like autumn best. It’s colourful.
Wu Bin: Me too. In China we have some special days in autumn.
Mike:
Wu Bin: China’s National Day and Mid-Autumn Day.
Mike:
Wu Bin: Of course. We have the trip every year.
Wu Bin:
Lily: It’s on October 15th. We will go to the Great Wall.
Wu Bin:
| A．Cool! |
| B．When is the school trip this year? |
| C．Which season do you like best in Spain? |
| D．What are they? |
| E．Do you have a school trip? |
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
