搜索
My name is Jack. I’m a boy. I'm a student. My father is 38 years old. He is a doctor. He likes playing football. On weekends my father and I always play football for two hours. He likes skating, too. He usually skates in winter, so he is very healthy.
My mother is 35 years old. She is a teacher. She likes staying at home and learning English. Sometimes she does exercise and she likes playing ping-pong with me. She always reads books, too. She is very busy.
1．There are three people in Jack’s family.2．Jack and his father usually play football for two hours from Monday to Friday.
3．Jack usually skates in winter.
4．Jack’s mother likes playing ping-pong.
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
