Mingming: 1
Xinxin: It was fantastic.
Mingming: How did you get there?
Xinxin: 2
Mingming: Did you go to the Disneyland and Ocean Park?
Xinxin: 3 We saw Mickey Mouse and Donald Duck. We also took some photos.
Mingming: Sounds great. 4
Xinxin: Yes, my mum bought some clothes and food.
Mingming: I want to see your photos. 5
Xinxin: Of course. I will bring them to school tomorrow.
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