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| A．No, it isn't mine. | B．Where is my skirt? |
| C．Thanks. | D．It's blue. |
| E．There is a blue skirt on the bed. |
B: Is your skirt red?
A: No, it isn't. 2
B: 3 Is that your skirt?
A: 4 It's Amy's.
B: Don't worry. Let's look for it together.
A: 5
B: You're welcome.
1. ________ 2. ________ 3. ________ 4. ________ 5. ________
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
