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B: Yes, they are.
A: Wow! The green one is the picture of spring.
B: Spring is my favourite season.
A: I like fall best. There is a picture of Sydney.
B: It’s Chen Jie’s.
A:
B: Look! She is reading a book over there.
A: Shh! Talk quietly.
B:
| A．Whose is it? |
| B．Which season do you like best? |
| C．Where is she now? |
| D．Are these yours? |
| E．OK, I will. |
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
