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William can't see well because he doesn't have good eyes. He is walking on the road in the country. —There is a black bird sitting on a large stone by the side of the road, but he can't see very well and he thinks the bird and the stone are a man. He goes up and asks, “Can you tell me the way to the next town, please? There is no answer. Can you tell me how to go to the next town, please?” he asks again. There is no answer again.
William is not angry and says, “Well, you don't tell me the way to the next town, so I'm not going to tell you that your hat is flying away.”
1．Can William see very well?2．What's William doing on the road in the country?
3．Where is the black bird?
4．Is William angry?
5．What happens to the bird?
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
