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Lily: Yes, I'd like these socks. How much are they?
Mary: Twenty-five yuan.
Lily: Wow! This doll is nice too. Her eyes are so big. Her hair is long. I like her very much. How much is it?
Mary: Fifty yuan, please
Lily: OK. Here you are.
Mary: Thank you.
1．It is in the afternoon now.
2．The socks are thirty-five yuan.
3．The doll has short hair.
4．The socks and the doll are fifty-five yuan.
5．Mary and Lily are at a snack bar.
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
