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There are five people in my family. They are my grandpa, my mother, my father, my sister and I. My grandpa is old. He is at home. My mother is a teacher. She teaches(教) Chinese. My father is a doctor(医生). He is reading a book now. My sister, Amy, is seven. We are in the same(相同的) school, but in different(不同的)classes. We have a lot of friends here. We are doing our homework now.
1．My mother is a teacher.2．My father is a nurse(护士).
3．Amy is ten this year.
4．Amy and I are in the same school.
5．We are doing my homework now.
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
