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| A. Because my birthday is in autumn. B. The yellow one is the photo of autumn. C. Whose photos are these? D. Talk quietly, please! E. Is it yours? |
Zhou Jie: These photos are so beautiful.
Amy: They are mine.
Zhou Jie:
Amy: Yes. Autumn is my favourite season.
Zhou Jie: I like spring best. Look at that pink photo on the wall.
Amy: No. It’s my sister Nancy’s. Look! She’s writing in the study. Hey, Nancy!
Zhou Jie: Shh!
Amy: Sorry!
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
