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Ms Smart: Lingling,
Lingling: Thank you.
Lingling: This black bag is nice. It’s big.
Ms Smart:
Lingling: But it’s very small, Ms Smart. I really like the black one.
Sales assistant:
Ms Smart:
Sales assistant: It’s 30 pounds.
Ms Smart: Great! We’ll take it, please.
Lingling: Thank you very much.
| A．How much is it? |
| B．I’ll buy you a new one. |
| C．This red bag has got wheels. |
| D．But it’s very heavy. |
| E．your bag is broken. |
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
