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Jack has a big family. He lives with his families in London. His father is a teacher. He goes to work on foot every day. His students love him very much. He is not very tall, and he is thin. His mother is a nurse. She goes to work by bus. Jack’s grandparents are retired（退休）. In the morning, they go to the park. In the afternoon, they watch TV and read books. Jack loves his family.
1．Jack doesn’t live with his grandparents.2．Jack’s father walks to school every day.
3．Jack’s father is heavy.
4．Jack’s mother works in a hospital.
5．Jack’s grandparents go to the park in the afternoon.
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
