搜索
I’m Li Feng. Here is a photo of my family. This is my grandmother. She was a singer. So she wore beautiful clothes. My grandfather was a doctor. But my father and my mother are teachers. They teach in different schools. My father teaches Chinese. My mother teaches English. Oh, my grandmother is learning English now. My mother teaches her.
1．Li Feng’s father teaches English.2．Li Feng’s grandma was a singer.
3．Li Feng’s parents teach in the same school.
4．Li Feng’s grandpa was a doctor.
5．There are five people in Li Feng’s family.
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
