搜索
Hello, I’m Lily. I’m from Shandong. I’m at the farm. The farm is so big. I can see many ducks, horses and hens. It’s very hot and sunny now. I can wear my new dress. And my old hat is too small. I want to buy a new one. It’s fifty yuan. It’s too expensive!
1．Lily is at the farm.2．There are many ducks, sheep and hens at the farm.
3．It’s cool in Shandong now.
4．Lily has a new dress.
5．The new hat is forty yuan.
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
