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Assistant(营业员)=A Mary=M
A: Can I help you?
M: Yes. The shoes are nice.
A: 1____________
M: Blue.
A: OK. 2____________
M: They are nice, but too small.
A: Hmm. 3_______________
M: OK. They’re just right! 4________________
A: Forty-five yuan.
M: Well, 5_____________
| A．Try size 6, please. |
| B．Here you are. |
| C．I’ll take them. |
| D．What color do you like? |
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
