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A: Good evening, young lady. Can I help you?
B: Yes, please.
A: Do you like this dress? It is pink and it is beautiful.
B: It’s OK. I like it.
A: It’s 200 yuan.
B: OK, I will take it. I want a pair of shoes, too.
A:
B: How much are the white ones?
A: They are 150 yuan.
B:
A: OK. Let me see.
B: Here you are.
| A．How much is it? |
| B．200 and 150 is 350 yuan, please. |
| C．I will take them. |
| D．I want some new clothes. |
| E．We have these black ones and those white ones. |
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
