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At the supermarket
Sales assistant: Can I help you？
Man: I want some eggs. How much is it?
Sales assistant: Six yuan for ten.
Man: Ten ,please. I also want some flowers. How much is it?
Sales assistant: Five yuan.
Man: I also want a cake. How much is it?
Sales assistant: Three yuan.
Man: OK. That’s all.
Sales assistant: It’s fourteen yuan.
Man: Here you are. Bye-bye.
Sales assistant: Bye-bye.
( ) （1）The man is at the supermarket.
( ) （2）Ten eggs are six yuan.
( ) （3）The flowers are six yuan]
( ) （4）The cake is four yuan.
( ) （5）The man spent fourteen yuan at the supermarket.
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
