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My name’s Gao Yan. I’m from Shandong. I’m a short girl. I’m a student in Yucai Primary School. I have a new schoolbag. It’s blue. It’s on the desk. I have a pencil box and five books in it. I like it very much.
1．Gao Yan is from Shandong.2．Gao Yan is tall.
3．Gao Yan’s new schoolbag is blue.
4．Gao Yan’s new schoolbag is in the desk.
5．Gao Yan has a pencil box and four books in her (她的) new schoolbag.
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
