搜索
Hello! I’m Lingling. I’m a girl. I’m from China. Peter and Anne are my good friends. There is a shop near our school. It is not a big shop, but it is nice. Peter, Anne and I often go shopping on weekends. I buy pencils and crayons in the shop. Peter and Anne buy knives and notebooks in the shop. They are cheap. We all like the shop very much.
1．Lingling comes from China.2．Lingling, Peter and Anne are good friends.
3．The things are expensive in the shop.
4．They all like the shop.
5．Peter and Anne often buy crayons in the shop.
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
