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Penny's sister bought a pair of shoes in the US last month. Penny liked them very much. She wanted a pair of shoes like them. So she took her sister's shoes to a shoe shop.
Now she is in the shoe shop. She is showing the shop assistant her sister's shoes. She says she wants black shoes of size five. But the shop assistant says they don't have any ones because they are not in fashion now. Those shoes were in fashion last year and the year before last. The shop asistant shows Penmy some fashionable shoes. Penmy doesn't like them because she thinks they look very uncomfortable. The shop assistant tells her that women always wear uncomfortable shoes.
1．Penny's sister bought a pair of shoes in England.2．Now Penny is in the hospital.
3．She wants black shoes of size five.
4．Her sister's shoes are in fashion this year.
5．Men always wear uncomfortable shoes.
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
