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My name is Cindy. And I have a good friend. Her name is Tina. She likes dumplings and noodles. She likes red. She wears a red dress and red shoes. Her room is nice and tidy (干净的). Look, her pens and rulers are in the pencil-box. Her schoolbag is on the table. She can run fast and jump high. But she can not jump far. I can swim fast, but I can’t jump high.
1．Cindy likes dumplings and noodles.2．Tina wears a red dress and red shoes.
3．Tina’s room is nice and tidy.
4．Cindy’s pens and rulers are on the table.
5．Cindy can swim fast but she can’t jump high.
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
