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Susan: Yes? Can I help you?
Amy: 1．
Susan: I'm sorry to hear it. 2．
Amy: It's yellow and blue. It's a panda bag.
Susan: 3．
Amy: A pencil box, an English book, a maths book and a photo.
Susan: A photo?
Amy: Yes. It is my family photo.
Susan: 4．
Amy: Four. My parents, my sister and me.
Susan: 5．
Amy: Thank you!
| A．What's in it? |
| B．I lost my schoolbag. |
| C．How many people are there in your family? |
| D．Yes! It's yours. Here you are. |
| E．What color is it? |
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
