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Jack is John’s cousin. They were born in the same year. They often play ping-pong together. They enjoy doing sports exercise.
They also enjoy travelling. Jack likes travelling by plane. He thinks it’s fast. But John enjoys travelling by train. He thinks travelling by train is very exciting.
This summer vacation Jack and John will travel together. They will go to Tianjin by car.
1．Jack is John’s uncle.2．Jack and John likes sports.
3．Jack is two years older than John is.
4．Jack enjoys travelling by plane.
5．Jack and John will go to Tianjin by train this summer vacation.
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
